SilicAI Component

Title: SilicAI Component

Type	object
Required	No
Additional properties	Any type allowed

Description: Structured description of an electronic component for AI-assisted circuit design

Property	Pattern	Type	Deprecated	Definition	Title/Description
- $schema	No	string	No	-	-
- $schema_version	No	string	No	-	-
+ component	No	object	No	-	-

1. Property $schema

Type	string
Required	No

2. Property $schema_version

Type	string
Required	No

3. Property component

Type	object
Required	Yes
Additional properties	Any type allowed

Property	Pattern	Type	Deprecated	Definition	Title/Description
+ mpn	No	string	No	-	Manufacturer Part Number (e.g. STM32F405RGT6, TMP117AIDRVR)
+ manufacturer	No	string	No	-	Component manufacturer name (e.g. Texas Instruments, STMicroelectronics)
+ category	No	enum (of string)	No	-	Component category for grouping and AI-assisted selection
+ package	No	string	No	-	Physical package (e.g. WSON-6, LQFP-64, SOT-23)
- datasheet	No	string	No	-	URL to the official datasheet PDF
- kicad_symbol	No	string	No	-	KiCad library symbol reference, e.g. Sensor_Temperature:TMP117xxYBG
- specifications	No	object	No	In defs/specifications.schema.json	Specifications
- absolute_maximum_ratings	No	array	No	-	Conditions that must never be exceeded to avoid permanent damage
- recommended_operating_conditions	No	array	No	-	Conditions for normal operation as specified in the datasheet
- temperature_range	No	object	No	In defs/temperature_range.schema.json	Temperature Range
- power_consumption	No	array	No	-	Supply current per operating mode for power budgeting
- timing	No	array	No	-	Timing parameters (setup/hold times, propagation delays, rise/fall times)
- rails	No	array	No	-	Power supply rails with their decoupling requirements
+ pins	No	array	No	-	Pin definitions including electrical characteristics and functions
- interfaces	No	array	No	-	Communication interfaces exposed by the component
- remark	No	string	No	-	Free-form note about this component (e.g. known errata, special design requirements, recommended alternatives)

3.1. Property mpn

Type	string
Required	Yes

Description: Manufacturer Part Number (e.g. STM32F405RGT6, TMP117AIDRVR)

3.2. Property manufacturer

Type	string
Required	Yes

Description: Component manufacturer name (e.g. Texas Instruments, STMicroelectronics)

3.3. Property category

Type	enum (of string)
Required	Yes

Description: Component category for grouping and AI-assisted selection

Must be one of: * "mcu" * "mpu" * "power_ic" * "power_discrete" * "analog" * "logic" * "memory" * "wireless" * "sensor" * "passive" * "connector" * "discrete"

3.4. Property package

Type	string
Required	Yes

Description: Physical package (e.g. WSON-6, LQFP-64, SOT-23)

3.5. Property datasheet

Type	string
Required	No
Format	uri

Description: URL to the official datasheet PDF

3.6. Property kicad_symbol

Type	string
Required	No

Description: KiCad library symbol reference, e.g. Sensor_Temperature:TMP117xxYBG

3.7. Property specifications

Title: Specifications

Type	object
Required	No
Additional properties	Any type allowed
Defined in	defs/specifications.schema.json

Description: Primary electrical specifications (for passive components)

Property	Pattern	Type	Deprecated	Definition	Title/Description
- resistance	No	object	No	In measured_value.schema.json	Measured Value
- capacitance	No	object	No	Same as resistance	Measured Value
- inductance	No	object	No	Same as resistance	Measured Value
- tolerance	No	object	No	Same as resistance	Measured Value
- voltage_rating	No	object	No	Same as resistance	Measured Value
- power_rating	No	object	No	Same as resistance	Measured Value
- current_rating	No	object	No	Same as resistance	Measured Value
- dc_resistance	No	object	No	Same as resistance	Measured Value
- temperature_coefficient	No	object	No	Same as resistance	Measured Value
- temperature_range	No	object	No	In range_value.schema.json	Range Value
- dielectric	No	string	No	-	Capacitor dielectric type (e.g. X5R, X7R, C0G)

3.7.1. Property resistance

Title: Measured Value

Type	object
Required	No
Additional properties	Not allowed
Defined in	measured_value.schema.json

Description: Resistance value (for resistors)

Property	Pattern	Type	Deprecated	Definition	Title/Description
+ value	No	number	No	-	Numeric quantity
+ unit	No	string	No	-	Unit of measurement. Must be an SI unit or SI-derived unit, optionally with an SI prefix (e.g. V, mV, A, mA, Ω, kΩ, F, nF, µF, H, nH, Hz, kHz, MHz, W, mW, °C, m, mm). Dimensionless ratios such as ppm and % are also accepted.

3.7.1.1. Property value

Type	number
Required	Yes

Description: Numeric quantity

3.7.1.2. Property unit

Type	string
Required	Yes

Description: Unit of measurement. Must be an SI unit or SI-derived unit, optionally with an SI prefix (e.g. V, mV, A, mA, Ω, kΩ, F, nF, µF, H, nH, Hz, kHz, MHz, W, mW, °C, m, mm). Dimensionless ratios such as ppm and % are also accepted.

3.7.2. Property capacitance

Title: Measured Value

Type	object
Required	No
Additional properties	Not allowed
Same definition as	resistance

Description: Capacitance value (for capacitors)

3.7.3. Property inductance

Title: Measured Value

Type	object
Required	No
Additional properties	Not allowed
Same definition as	resistance

Description: Inductance value (for inductors)

3.7.4. Property tolerance

Title: Measured Value

Type	object
Required	No
Additional properties	Not allowed
Same definition as	resistance

Description: Component tolerance (e.g. {value: 1, unit: %})

3.7.5. Property voltage_rating

Title: Measured Value

Type	object
Required	No
Additional properties	Not allowed
Same definition as	resistance

Description: Maximum rated voltage

3.7.6. Property power_rating

Title: Measured Value

Type	object
Required	No
Additional properties	Not allowed
Same definition as	resistance

Description: Maximum rated power dissipation

3.7.7. Property current_rating

Title: Measured Value

Type	object
Required	No
Additional properties	Not allowed
Same definition as	resistance

Description: Maximum rated continuous current

3.7.8. Property dc_resistance

Title: Measured Value

Type	object
Required	No
Additional properties	Not allowed
Same definition as	resistance

Description: DC resistance (for inductors and ferrite beads)

3.7.9. Property temperature_coefficient

Title: Measured Value

Type	object
Required	No
Additional properties	Not allowed
Same definition as	resistance

Description: Temperature coefficient (ppm/°C)

3.7.10. Property temperature_range

Title: Range Value

Type	object
Required	No
Additional properties	Not allowed
Defined in	range_value.schema.json

Description: Operating temperature range

Property	Pattern	Type	Deprecated	Definition	Title/Description
+ min	No	number	No	-	Minimum value of the range
+ max	No	number	No	-	Maximum value of the range
+ unit	No	string	No	-	Unit of measurement (e.g. °C, V)

3.7.10.1. Property min

Type	number
Required	Yes

Description: Minimum value of the range

3.7.10.2. Property max

Type	number
Required	Yes

Description: Maximum value of the range

3.7.10.3. Property unit

Type	string
Required	Yes

Description: Unit of measurement (e.g. °C, V)

3.7.11. Property dielectric

Type	string
Required	No

Description: Capacitor dielectric type (e.g. X5R, X7R, C0G)

3.8. Property absolute_maximum_ratings

Type	array
Required	No

Description: Conditions that must never be exceeded to avoid permanent damage

	Array restrictions
Min items	N/A
Max items	N/A
Items unicity	False
Additional items	False
Tuple validation	See below

Each item of this array must be	Description
Rating	One row of an absolute maximum ratings or recommended operating conditions table

3.8.1. Rating

Title: Rating

Type	object
Required	No
Additional properties	Any type allowed
Defined in	defs/rating.schema.json

Description: One row of an absolute maximum ratings or recommended operating conditions table

Property	Pattern	Type	Deprecated	Definition	Title/Description
+ parameter	No	string	No	-	Name of the parameter (e.g. Supply voltage, Operating temperature)
+ pins	No	array of string	No	-	Pin names this rating applies to (empty list for global ratings)
+ unit	No	string	No	-	Unit of the rating values (e.g. V, mA, °C)
- min	No	number	No	-	Minimum value
- nom	No	number	No	-	Nominal (typical) value
- max	No	number	No	-	Maximum value
- remark	No	string	No	-	Free-form note about this rating (e.g. latchup test condition, ESD model used)

3.8.1.1. Property parameter

Type	string
Required	Yes

Description: Name of the parameter (e.g. Supply voltage, Operating temperature)

3.8.1.2. Property pins

Type	array of string
Required	Yes

Description: Pin names this rating applies to (empty list for global ratings)

	Array restrictions
Min items	N/A
Max items	N/A
Items unicity	False
Additional items	False
Tuple validation	See below

Each item of this array must be	Description
pins items	-

3.8.1.2.1. pins items

Type	string
Required	No

3.8.1.3. Property unit

Type	string
Required	Yes

Description: Unit of the rating values (e.g. V, mA, °C)

3.8.1.4. Property min

Type	number
Required	No

Description: Minimum value

3.8.1.5. Property nom

Type	number
Required	No

Description: Nominal (typical) value

3.8.1.6. Property max

Type	number
Required	No

Description: Maximum value

3.8.1.7. Property remark

Type	string
Required	No

Description: Free-form note about this rating (e.g. latchup test condition, ESD model used)

3.9. Property recommended_operating_conditions

Type	array
Required	No

Description: Conditions for normal operation as specified in the datasheet

	Array restrictions
Min items	N/A
Max items	N/A
Items unicity	False
Additional items	False
Tuple validation	See below

Each item of this array must be	Description
Rating	One row of an absolute maximum ratings or recommended operating conditions table

3.9.1. Rating

Title: Rating

Type	object
Required	No
Additional properties	Any type allowed
Same definition as	Rating

Description: One row of an absolute maximum ratings or recommended operating conditions table

3.10. Property temperature_range

Title: Temperature Range

Type	object
Required	No
Additional properties	Any type allowed
Defined in	defs/temperature_range.schema.json

Description: Operating and storage temperature limits, junction temperature, and thermal resistance

Property	Pattern	Type	Deprecated	Definition	Title/Description
- operating	No	object	No	-	Ambient temperature range for normal operation
- storage	No	object	No	-	Allowable temperature range during storage (unpowered)
- junction_max	No	object	No	Same as resistance	Measured Value
- thermal_resistance_ja	No	object	No	Same as resistance	Measured Value

3.10.1. Property operating

Type	object
Required	No
Additional properties	Any type allowed

Description: Ambient temperature range for normal operation

Property	Pattern	Type	Deprecated	Definition	Title/Description
+ min	No	object	No	Same as resistance	Measured Value
+ max	No	object	No	Same as resistance	Measured Value

3.10.1.1. Property min

Title: Measured Value

Type	object
Required	Yes
Additional properties	Not allowed
Same definition as	resistance

Description: A numeric measurement with an explicit unit

3.10.1.2. Property max

Title: Measured Value

Type	object
Required	Yes
Additional properties	Not allowed
Same definition as	resistance

Description: A numeric measurement with an explicit unit

3.10.2. Property storage

Type	object
Required	No
Additional properties	Any type allowed

Description: Allowable temperature range during storage (unpowered)

Property	Pattern	Type	Deprecated	Definition	Title/Description
+ min	No	object	No	Same as resistance	Measured Value
+ max	No	object	No	Same as resistance	Measured Value

3.10.2.1. Property min

Title: Measured Value

Type	object
Required	Yes
Additional properties	Not allowed
Same definition as	resistance

Description: A numeric measurement with an explicit unit

3.10.2.2. Property max

Title: Measured Value

Type	object
Required	Yes
Additional properties	Not allowed
Same definition as	resistance

Description: A numeric measurement with an explicit unit

3.10.3. Property junction_max

Title: Measured Value

Type	object
Required	No
Additional properties	Not allowed
Same definition as	resistance

Description: Maximum junction temperature (Tj_max), typically 125°C or 150°C

3.10.4. Property thermal_resistance_ja

Title: Measured Value

Type	object
Required	No
Additional properties	Not allowed
Same definition as	resistance

Description: Junction-to-ambient thermal resistance (Θja) in °C/W

3.11. Property power_consumption

Type	array
Required	No

Description: Supply current per operating mode for power budgeting

	Array restrictions
Min items	N/A
Max items	N/A
Items unicity	False
Additional items	False
Tuple validation	See below

Each item of this array must be	Description
Power Consumption Entry	Supply current draw for a specific operating mode, used for power budgeting

3.11.1. Power Consumption Entry

Title: Power Consumption Entry

Type	object
Required	No
Additional properties	Any type allowed
Defined in	defs/power_consumption.schema.json

Description: Supply current draw for a specific operating mode, used for power budgeting

Property	Pattern	Type	Deprecated	Definition	Title/Description
+ mode	No	string	No	-	Operating mode name (e.g. active, sleep, shutdown, tx, rx, idle)
- description	No	string	No	-	Human-readable description of the mode and its conditions
- rail	No	string	No	-	Power rail ID this current is drawn from (references a rail in the component's rails array)
+ current	No	object	No	Same as resistance	Measured Value
- current_max	No	object	No	Same as resistance	Measured Value
- conditions	No	string	No	-	Measurement conditions as stated in the datasheet (e.g. VDD=3.3V, f=64MHz, all peripherals on)
- remark	No	string	No	-	Free-form note about this power mode (e.g. excludes crystal oscillator current, minimum load required)

3.11.1.1. Property mode

Type	string
Required	Yes

Description: Operating mode name (e.g. active, sleep, shutdown, tx, rx, idle)

3.11.1.2. Property description

Type	string
Required	No

Description: Human-readable description of the mode and its conditions

3.11.1.3. Property rail

Type	string
Required	No

Description: Power rail ID this current is drawn from (references a rail in the component's rails array)

3.11.1.4. Property current

Title: Measured Value

Type	object
Required	Yes
Additional properties	Not allowed
Same definition as	resistance

Description: Typical supply current in this mode (e.g. {value: 5, unit: mA})

3.11.1.5. Property current_max

Title: Measured Value

Type	object
Required	No
Additional properties	Not allowed
Same definition as	resistance

Description: Maximum supply current in this mode

3.11.1.6. Property conditions

Type	string
Required	No

Description: Measurement conditions as stated in the datasheet (e.g. VDD=3.3V, f=64MHz, all peripherals on)

3.11.1.7. Property remark

Type	string
Required	No

Description: Free-form note about this power mode (e.g. excludes crystal oscillator current, minimum load required)

3.12. Property timing

Type	array
Required	No

Description: Timing parameters (setup/hold times, propagation delays, rise/fall times)

	Array restrictions
Min items	N/A
Max items	N/A
Items unicity	False
Additional items	False
Tuple validation	See below

Each item of this array must be	Description
Timing Specification	A single timing parameter from the datasheet (setup time, hold time, propagation delay, etc.)

3.12.1. Timing Specification

Title: Timing Specification

Type	object
Required	No
Additional properties	Any type allowed
Defined in	defs/timing.schema.json

Description: A single timing parameter from the datasheet (setup time, hold time, propagation delay, etc.)

Property	Pattern	Type	Deprecated	Definition	Title/Description
+ name	No	string	No	-	Timing parameter name as used in the datasheet (e.g. t_su, t_hd, t_r, t_pd)
- description	No	string	No	-	Human-readable description (e.g. SDA setup time to SCL rising edge)
- from_pin	No	string	No	-	Reference pin or signal for the start of the timing interval
- to_pin	No	string	No	-	Reference pin or signal for the end of the timing interval
- from_edge	No	enum (of string)	No	-	Triggering edge on from_pin
- to_edge	No	enum (of string)	No	-	Triggering edge on to_pin
- min	No	object	No	Same as resistance	Measured Value
- typ	No	object	No	Same as resistance	Measured Value
- max	No	object	No	Same as resistance	Measured Value
- conditions	No	string	No	-	Conditions under which this timing applies (e.g. VDD=3.3V, CL=10pF)
- interface	No	string	No	-	Interface this timing belongs to (e.g. I2C, SPI, UART)
- remark	No	string	No	-	Free-form note about this timing parameter (e.g. only applies when CL > 100pF)

3.12.1.1. Property name

Type	string
Required	Yes

Description: Timing parameter name as used in the datasheet (e.g. t_su, t_hd, t_r, t_pd)

3.12.1.2. Property description

Type	string
Required	No

Description: Human-readable description (e.g. SDA setup time to SCL rising edge)

3.12.1.3. Property from_pin

Type	string
Required	No

Description: Reference pin or signal for the start of the timing interval

3.12.1.4. Property to_pin

Type	string
Required	No

Description: Reference pin or signal for the end of the timing interval

3.12.1.5. Property from_edge

Type	enum (of string)
Required	No

Description: Triggering edge on from_pin

Must be one of: * "rising" * "falling" * "any"

3.12.1.6. Property to_edge

Type	enum (of string)
Required	No

Description: Triggering edge on to_pin

Must be one of: * "rising" * "falling" * "any"

3.12.1.7. Property min

Title: Measured Value

Type	object
Required	No
Additional properties	Not allowed
Same definition as	resistance

Description: Minimum value

3.12.1.8. Property typ

Title: Measured Value

Type	object
Required	No
Additional properties	Not allowed
Same definition as	resistance

Description: Typical value

3.12.1.9. Property max

Title: Measured Value

Type	object
Required	No
Additional properties	Not allowed
Same definition as	resistance

Description: Maximum value

3.12.1.10. Property conditions

Type	string
Required	No

Description: Conditions under which this timing applies (e.g. VDD=3.3V, CL=10pF)

3.12.1.11. Property interface

Type	string
Required	No

Description: Interface this timing belongs to (e.g. I2C, SPI, UART)

3.12.1.12. Property remark

Type	string
Required	No

Description: Free-form note about this timing parameter (e.g. only applies when CL > 100pF)

3.13. Property rails

Type	array
Required	No

Description: Power supply rails with their decoupling requirements

	Array restrictions
Min items	N/A
Max items	N/A
Items unicity	False
Additional items	False
Tuple validation	See below

Each item of this array must be	Description
Rail	A power supply rail with its decoupling requirements

3.13.1. Rail

Title: Rail

Type	object
Required	No
Additional properties	Any type allowed
Defined in	defs/rail.schema.json

Description: A power supply rail with its decoupling requirements

Property	Pattern	Type	Deprecated	Definition	Title/Description
+ id	No	string	No	-	Internal identifier for this rail, referenced by pin rail fields (e.g. vplus, vdd_core)
+ net	No	string	No	-	Net name in the schematic (e.g. VCC_3V3, GND)
- type	No	enum (of string)	No	-	power: externally supplied rail. internal_node: generated internally (e.g. LDO output).
- input_filter	No	array	No	-	Ordered list of passive components forming the filter network between the source supply and this rail net. Use 'from' on the first series element to name the source net; the rail net itself is the output node. Shunt elements use 'to: GND'. Example: +3V3 → 33Ω (from: VREG_VIN) → VREG_AVDD → 4.7µF (to: GND).
- bulk_decoupling	No	array	No	-	Large bulk decoupling capacitors placed near the component
- remark	No	string	No	-	Free-form note about this rail (e.g. must be sequenced before DVDD, shared with another supply)

3.13.1.1. Property id

Type	string
Required	Yes

Description: Internal identifier for this rail, referenced by pin rail fields (e.g. vplus, vdd_core)

3.13.1.2. Property net

Type	string
Required	Yes

Description: Net name in the schematic (e.g. VCC_3V3, GND)

3.13.1.3. Property type

Type	enum (of string)
Required	No

Description: power: externally supplied rail. internal_node: generated internally (e.g. LDO output).

Must be one of: * "power" * "internal_node"

3.13.1.4. Property input_filter

Type	array
Required	No

Description: Ordered list of passive components forming the filter network between the source supply and this rail net. Use 'from' on the first series element to name the source net; the rail net itself is the output node. Shunt elements use 'to: GND'. Example: +3V3 → 33Ω (from: VREG_VIN) → VREG_AVDD → 4.7µF (to: GND).

	Array restrictions
Min items	N/A
Max items	N/A
Items unicity	False
Additional items	False
Tuple validation	See below

Each item of this array must be	Description
Passive Component	A passive component used in decoupling, filtering, or required external circuits

3.13.1.4.1. Passive Component

Title: Passive Component

Type	object
Required	No
Additional properties	Any type allowed
Defined in	passive_component.schema.json

Description: A passive component used in decoupling, filtering, or required external circuits

Property	Pattern	Type	Deprecated	Definition	Title/Description
+ type	No	enum (of string)	No	-	Component type
- required	No	boolean	No	-	True if this component is mandatory for correct operation. False or absent means the component is optional (e.g. a debug button, an optional filter).
- resistance	No	object	No	Same as resistance	Measured Value
- capacitance	No	object	No	Same as resistance	Measured Value
- inductance	No	object	No	Same as resistance	Measured Value
- impedance_at_100mhz	No	object	No	Same as resistance	Measured Value
- voltage_rating	No	object	No	Same as resistance	Measured Value
- current_rating	No	object	No	Same as resistance	Measured Value
- esr	No	object	No	Same as resistance	Measured Value
- frequency	No	object	No	Same as resistance	Measured Value
- frequency_tolerance	No	object	No	Same as resistance	Measured Value
- load_capacitance	No	object	No	Same as resistance	Measured Value
- series_r	No	object	No	Same as resistance	Measured Value
- xin_cap	No	object	No	Same as resistance	Measured Value
- xout_cap	No	object	No	Same as resistance	Measured Value
- dielectric	No	array of string	No	-	Acceptable capacitor dielectrics in order of preference (e.g. [X5R, X7R])
- recommended_mpn	No	string	No	-	Specific manufacturer part number recommended by the IC datasheet or design guide. Deviating requires re-validation.
- package	No	string	No	-	Recommended component package / footprint (e.g. '0402', '0806')
- condition	No	string	No	-	Design condition under which this component or value applies (e.g. 'IOVDD=3.3V'). If the condition is not met the component must be re-evaluated.
- placement	No	enum (of string)	No	-	Required placement proximity relative to the associated pin or component
- orientation	No	string	No	-	Required mounting orientation for orientation-sensitive components (e.g. shielded inductors whose magnetic field direction affects adjacent components). Presence of this field implies the component must not be rotated arbitrarily. Value should describe the correct placement direction (e.g. 'winding-start towards output capacitor').
- quantity	No	enum (of string)	No	-	How many instances of this component are needed
- scope	No	enum (of string)	No	-	component: one per IC instance. bus: shared across all devices on the bus.
- from	No	string	No	-	Source net or pin name this component connects from (net name in rail input_filter context; pin name in required_external context)
- to	No	string	No	-	Destination net or pin name this component connects to
- remark	No	string	No	-	Free-form note about why this component is needed or how to select it

3.13.1.4.1.1. Property type

Type	enum (of string)
Required	Yes

Description: Component type

Must be one of: * "capacitor" * "resistor" * "ferrite_bead" * "inductor" * "crystal" * "diode" * "switch"

3.13.1.4.1.2. Property required

Type	boolean
Required	No

Description: True if this component is mandatory for correct operation. False or absent means the component is optional (e.g. a debug button, an optional filter).

3.13.1.4.1.3. Property resistance

Title: Measured Value

Type	object
Required	No
Additional properties	Not allowed
Same definition as	resistance

Description: Resistance value (for resistors and pull-ups)

3.13.1.4.1.4. Property capacitance

Title: Measured Value

Type	object
Required	No
Additional properties	Not allowed
Same definition as	resistance

Description: Capacitance value (for capacitors)

3.13.1.4.1.5. Property inductance

Title: Measured Value

Type	object
Required	No
Additional properties	Not allowed
Same definition as	resistance

Description: Inductance value (for inductors)

3.13.1.4.1.6. Property impedance_at_100mhz

Title: Measured Value

Type	object
Required	No
Additional properties	Not allowed
Same definition as	resistance

Description: Impedance at 100 MHz (for ferrite beads)

3.13.1.4.1.7. Property voltage_rating

Title: Measured Value

Type	object
Required	No
Additional properties	Not allowed
Same definition as	resistance

Description: Maximum rated voltage

3.13.1.4.1.8. Property current_rating

Title: Measured Value

Type	object
Required	No
Additional properties	Not allowed
Same definition as	resistance

Description: Maximum rated continuous current

3.13.1.4.1.9. Property esr

Title: Measured Value

Type	object
Required	No
Additional properties	Not allowed
Same definition as	resistance

Description: Equivalent series resistance (max, for capacitors and crystals)

3.13.1.4.1.10. Property frequency

Title: Measured Value

Type	object
Required	No
Additional properties	Not allowed
Same definition as	resistance

Description: Nominal oscillation frequency (for crystals)

3.13.1.4.1.11. Property frequency_tolerance

Title: Measured Value

Type	object
Required	No
Additional properties	Not allowed
Same definition as	resistance

Description: Frequency tolerance (for crystals, unit: ppm)

3.13.1.4.1.12. Property load_capacitance

Title: Measured Value

Type	object
Required	No
Additional properties	Not allowed
Same definition as	resistance

Description: Specified load capacitance (for crystals, unit: pF)

3.13.1.4.1.13. Property series_r

Title: Measured Value

Type	object
Required	No
Additional properties	Not allowed
Same definition as	resistance

Description: Series resistor (Rs) in the oscillator drive path (for crystals only). Rs is placed in series between the MCU oscillator output (XOUT) and the crystal, limiting drive current. The crystal's XOUT-side pin is placed on an intermediate net; Rs bridges that net back to the XOUT pin net.

3.13.1.4.1.14. Property xin_cap

Title: Measured Value

Type	object
Required	No
Additional properties	Not allowed
Same definition as	resistance

Description: Load capacitor on the crystal XIN side, placed between the crystal's sense-side terminal (same net as the MCU XIN pin) and GND.

3.13.1.4.1.15. Property xout_cap

Title: Measured Value

Type	object
Required	No
Additional properties	Not allowed
Same definition as	resistance

Description: Load capacitor on the crystal XOUT side, placed between the crystal's drive-side terminal and GND. Used together with series_r when the XOUT cap must sit on the crystal side of Rs (not on the MCU XOUT pin directly).

3.13.1.4.1.16. Property dielectric

Type	array of string
Required	No

Description: Acceptable capacitor dielectrics in order of preference (e.g. [X5R, X7R])

	Array restrictions
Min items	N/A
Max items	N/A
Items unicity	False
Additional items	False
Tuple validation	See below

Each item of this array must be	Description
dielectric items	-

3.13.1.4.1.16.1. dielectric items

Type	string
Required	No

3.13.1.4.1.17. Property recommended_mpn

Type	string
Required	No

Description: Specific manufacturer part number recommended by the IC datasheet or design guide. Deviating requires re-validation.

3.13.1.4.1.18. Property package

Type	string
Required	No

Description: Recommended component package / footprint (e.g. '0402', '0806')

3.13.1.4.1.19. Property condition

Type	string
Required	No

Description: Design condition under which this component or value applies (e.g. 'IOVDD=3.3V'). If the condition is not met the component must be re-evaluated.

3.13.1.4.1.20. Property placement

Type	enum (of string)
Required	No

Description: Required placement proximity relative to the associated pin or component

Must be one of: * "close" * "nearby" * "per_pin" * "per_component"

3.13.1.4.1.21. Property orientation

Type	string
Required	No

Description: Required mounting orientation for orientation-sensitive components (e.g. shielded inductors whose magnetic field direction affects adjacent components). Presence of this field implies the component must not be rotated arbitrarily. Value should describe the correct placement direction (e.g. 'winding-start towards output capacitor').

3.13.1.4.1.22. Property quantity

Type	enum (of string)
Required	No

Description: How many instances of this component are needed

Must be one of: * "1" * "per_pin" * "per_component"

3.13.1.4.1.23. Property scope

Type	enum (of string)
Required	No

Description: component: one per IC instance. bus: shared across all devices on the bus.

Must be one of: * "component" * "bus"

3.13.1.4.1.24. Property from

Type	string
Required	No

Description: Source net or pin name this component connects from (net name in rail input_filter context; pin name in required_external context)

3.13.1.4.1.25. Property to

Type	string
Required	No

Description: Destination net or pin name this component connects to

3.13.1.4.1.26. Property remark

Type	string
Required	No

Description: Free-form note about why this component is needed or how to select it

3.13.1.5. Property bulk_decoupling

Type	array
Required	No

Description: Large bulk decoupling capacitors placed near the component

	Array restrictions
Min items	N/A
Max items	N/A
Items unicity	False
Additional items	False
Tuple validation	See below

Each item of this array must be	Description
Passive Component	A passive component used in decoupling, filtering, or required external circuits

3.13.1.5.1. Passive Component

Title: Passive Component

Type	object
Required	No
Additional properties	Any type allowed
Same definition as	Passive Component

Description: A passive component used in decoupling, filtering, or required external circuits

3.13.1.6. Property remark

Type	string
Required	No

Description: Free-form note about this rail (e.g. must be sequenced before DVDD, shared with another supply)

3.14. Property pins

Type	array
Required	Yes

Description: Pin definitions including electrical characteristics and functions

	Array restrictions
Min items	N/A
Max items	N/A
Items unicity	False
Additional items	False
Tuple validation	See below

Each item of this array must be	Description
Pin	A single pin of an electronic component with its electrical characteristics and functions

3.14.1. Pin

Title: Pin

Type	object
Required	No
Additional properties	Any type allowed
Defined in	defs/pin.schema.json

Description: A single pin of an electronic component with its electrical characteristics and functions

Property	Pattern	Type	Deprecated	Definition	Title/Description
+ number	No	integer or string	No	-	Physical pin number as printed on the component package
+ name	No	string	No	-	Pin name as printed in the datasheet (e.g. SCL, GPIO1, VCC)
+ direction	No	enum (of string)	No	-	Electrical direction of the pin
- open_drain	No	boolean	No	-	True if pin is open-drain/open-collector; requires an external pull-up resistor
- must_connect	No	boolean	No	-	True if pin must be connected and cannot be left floating. Common for RESET, BOOT, and VCC pins.
- rail	No	string	No	-	ID of the power rail this pin belongs to (references a rail defined in the component's rails array)
- net	No	string	No	-	Explicit net name override for this pin
- voltage_level	No	object	No	Same as resistance	Measured Value
- electrical	No	object	No	In pin_electrical.schema.json	Pin Electrical Characteristics
- primary_function	No	object	No	In pin_function.schema.json	Pin Function
- alternate_functions	No	array	No	-	Alternate peripheral functions available when this pin is configured as GPIO
- externals	No	array	No	-	External components associated with this pin. Set required: true on each item that is mandatory for correct operation; omit or set false for optional components (e.g. debug buttons, optional filters).
- decoupling	No	array	No	-	Decoupling capacitors placed close to this power pin (one instance generated per pin)
- remark	No	string	No	-	Free-form note about this pin (e.g. must be tied to GND, do not exceed 1.8V, connects to external crystal)

3.14.1.1. Property number

Type	integer or string
Required	Yes

Description: Physical pin number as printed on the component package

3.14.1.2. Property name

Type	string
Required	Yes

Description: Pin name as printed in the datasheet (e.g. SCL, GPIO1, VCC)

3.14.1.3. Property direction

Type	enum (of string)
Required	Yes

Description: Electrical direction of the pin

Must be one of: * "input" * "output" * "bidirectional" * "tri_state" * "passive" * "open_collector" * "open_emitter" * "power_in" * "power_out" * "no_connect"

3.14.1.4. Property open_drain

Type	boolean
Required	No

Description: True if pin is open-drain/open-collector; requires an external pull-up resistor

3.14.1.5. Property must_connect

Type	boolean
Required	No

Description: True if pin must be connected and cannot be left floating. Common for RESET, BOOT, and VCC pins.

3.14.1.6. Property rail

Type	string
Required	No

Description: ID of the power rail this pin belongs to (references a rail defined in the component's rails array)

3.14.1.7. Property net

Type	string
Required	No

Description: Explicit net name override for this pin

3.14.1.8. Property voltage_level

Title: Measured Value

Type	object
Required	No
Additional properties	Not allowed
Same definition as	resistance

Description: Nominal logic voltage level of the pin

3.14.1.9. Property electrical

Title: Pin Electrical Characteristics

Type	object
Required	No
Additional properties	Any type allowed
Defined in	pin_electrical.schema.json

Description: Detailed electrical characteristics from the datasheet (V_IH, V_IL, etc.)

Property	Pattern	Type	Deprecated	Definition	Title/Description
- v_ih_min	No	Combination	No	-	Minimum input voltage recognized as logic HIGH
- v_il_max	No	Combination	No	-	Maximum input voltage recognized as logic LOW
- v_oh_min	No	Combination	No	-	Minimum output voltage when driving logic HIGH
- v_ol_max	No	object	No	Same as resistance	Measured Value
- i_oh_max	No	object	No	Same as resistance	Measured Value
- i_ol_max	No	object	No	Same as resistance	Measured Value
- i_leak_max	No	object	No	Same as resistance	Measured Value

3.14.1.9.1. Property v_ih_min

Type	combining
Required	No
Additional properties	Any type allowed

Description: Minimum input voltage recognized as logic HIGH

One of(Option)
Measured Value
Relative Threshold

3.14.1.9.1.1. Property Measured Value

Title: Measured Value

Type	object
Required	No
Additional properties	Not allowed
Same definition as	resistance

Description: A numeric measurement with an explicit unit

3.14.1.9.1.2. Property Relative Threshold

Title: Relative Threshold

Type	object
Required	No
Additional properties	Not allowed
Defined in	relative_threshold.schema.json

Description: A voltage threshold expressed as a fraction of a reference voltage (e.g. 0.7 × V+)

Property	Pattern	Type	Deprecated	Definition	Title/Description
+ multiplier	No	number	No	-	Fraction of the reference voltage (e.g. 0.7 for 70%)
+ reference	No	string	No	-	Reference voltage identifier (e.g. V+, VCC, VDD)

3.14.1.9.1.2.1. Property multiplier

Type	number
Required	Yes

Description: Fraction of the reference voltage (e.g. 0.7 for 70%)

3.14.1.9.1.2.2. Property reference

Type	string
Required	Yes

Description: Reference voltage identifier (e.g. V+, VCC, VDD)

3.14.1.9.2. Property v_il_max

Type	combining
Required	No
Additional properties	Any type allowed

Description: Maximum input voltage recognized as logic LOW

One of(Option)
Measured Value
Relative Threshold

3.14.1.9.2.1. Property Measured Value

Title: Measured Value

Type	object
Required	No
Additional properties	Not allowed
Same definition as	resistance

Description: A numeric measurement with an explicit unit

3.14.1.9.2.2. Property Relative Threshold

Title: Relative Threshold

Type	object
Required	No
Additional properties	Not allowed
Same definition as	Relative Threshold

Description: A voltage threshold expressed as a fraction of a reference voltage (e.g. 0.7 × V+)

3.14.1.9.3. Property v_oh_min

Type	combining
Required	No
Additional properties	Any type allowed

Description: Minimum output voltage when driving logic HIGH

One of(Option)
Measured Value
Relative Threshold

3.14.1.9.3.1. Property Measured Value

Title: Measured Value

Type	object
Required	No
Additional properties	Not allowed
Same definition as	resistance

Description: A numeric measurement with an explicit unit

3.14.1.9.3.2. Property Relative Threshold

Title: Relative Threshold

Type	object
Required	No
Additional properties	Not allowed
Same definition as	Relative Threshold

Description: A voltage threshold expressed as a fraction of a reference voltage (e.g. 0.7 × V+)

3.14.1.9.4. Property v_ol_max

Title: Measured Value

Type	object
Required	No
Additional properties	Not allowed
Same definition as	resistance

Description: Maximum output voltage when driving logic LOW

3.14.1.9.5. Property i_oh_max

Title: Measured Value

Type	object
Required	No
Additional properties	Not allowed
Same definition as	resistance

Description: Maximum source current when output is HIGH

3.14.1.9.6. Property i_ol_max

Title: Measured Value

Type	object
Required	No
Additional properties	Not allowed
Same definition as	resistance

Description: Maximum sink current when output is LOW

3.14.1.9.7. Property i_leak_max

Title: Measured Value

Type	object
Required	No
Additional properties	Not allowed
Same definition as	resistance

Description: Maximum input leakage current

3.14.1.10. Property primary_function

Title: Pin Function

Type	object
Required	No
Additional properties	Any type allowed
Defined in	pin_function.schema.json

Description: Primary logical function of this pin

Property	Pattern	Type	Deprecated	Definition	Title/Description
+ type	No	enum (of string)	No	-	Functional role of this pin
- polarity	No	enum (of string)	No	-	Active polarity for control signals (e.g. RESET, CS, ENABLE)
- port	No	string	No	-	GPIO port identifier (e.g. A, B, C for STM32)
- bit	No	integer	No	-	Bit number within the GPIO port
- options	No	array	No	-	For address_select pins: list of connect_to/i2c_address pairings

3.14.1.10.1. Property type

Type	enum (of string)
Required	Yes

Description: Functional role of this pin

Must be one of: * "gpio" * "reset" * "boot_select" * "clock_in" * "clock_out" * "power" * "analog_in" * "analog_out" * "differential_pair" * "i2c_scl" * "i2c_sda" * "spi_sck" * "spi_mosi" * "spi_miso" * "spi_cs" * "uart_tx" * "uart_rx" * "usb_dp" * "usb_dm" * "swd_io" * "swd_clk" * "jtag_tdi" * "jtag_tdo" * "jtag_tck" * "jtag_tms" * "nfc_antenna" * "adc" * "alert" * "address_select" * "enable" * "interrupt" * "pwm"

3.14.1.10.2. Property polarity

Type	enum (of string)
Required	No

Description: Active polarity for control signals (e.g. RESET, CS, ENABLE)

Must be one of: * "active_high" * "active_low"

3.14.1.10.3. Property port

Type	string
Required	No

Description: GPIO port identifier (e.g. A, B, C for STM32)

3.14.1.10.4. Property bit

Type	integer
Required	No

Description: Bit number within the GPIO port

3.14.1.10.5. Property options

Type	array
Required	No

Description: For address_select pins: list of connect_to/i2c_address pairings

	Array restrictions
Min items	N/A
Max items	N/A
Items unicity	False
Additional items	False
Tuple validation	See below

Each item of this array must be	Description
address_select_option	Maps a connection target (net name) to the resulting I2C address

3.14.1.10.5.1. address_select_option

Type	object
Required	No
Additional properties	Any type allowed
Defined in	#/$defs/address_select_option

Description: Maps a connection target (net name) to the resulting I2C address

Property	Pattern	Type	Deprecated	Definition	Title/Description
+ connect_to	No	string	No	-	Net name to connect the address pin to (e.g. GND, VCC, SDA)
+ i2c_address	No	string	No	-	Resulting 7-bit I2C address in hex (e.g. 0x48)

3.14.1.10.5.1.1. Property connect_to

Type	string
Required	Yes

Description: Net name to connect the address pin to (e.g. GND, VCC, SDA)

3.14.1.10.5.1.2. Property i2c_address

Type	string
Required	Yes

Description: Resulting 7-bit I2C address in hex (e.g. 0x48)

3.14.1.11. Property alternate_functions

Type	array
Required	No

Description: Alternate peripheral functions available when this pin is configured as GPIO

	Array restrictions
Min items	N/A
Max items	N/A
Items unicity	False
Additional items	False
Tuple validation	See below

Each item of this array must be	Description
Alternate Pin Function	An alternate peripheral function available on a GPIO pin

3.14.1.11.1. Alternate Pin Function

Title: Alternate Pin Function

Type	object
Required	No
Additional properties	Any type allowed
Defined in	alternate_function.schema.json

Description: An alternate peripheral function available on a GPIO pin

Property	Pattern	Type	Deprecated	Definition	Title/Description
- af	No	object	No	-	Alternate function number (microcontroller-specific, e.g. AF4 for STM32)
+ peripheral	No	string	No	-	Peripheral name (e.g. I2C1, SPI2, USART3)
+ signal	No	string	No	-	Signal name within the peripheral (e.g. SCL, MOSI, TX)
+ direction	No	enum (of string)	No	-	Signal direction when this alternate function is active

3.14.1.11.1.1. Property af

Type	object
Required	No
Additional properties	Any type allowed

Description: Alternate function number (microcontroller-specific, e.g. AF4 for STM32)

3.14.1.11.1.2. Property peripheral

Type	string
Required	Yes

Description: Peripheral name (e.g. I2C1, SPI2, USART3)

3.14.1.11.1.3. Property signal

Type	string
Required	Yes

Description: Signal name within the peripheral (e.g. SCL, MOSI, TX)

3.14.1.11.1.4. Property direction

Type	enum (of string)
Required	Yes

Description: Signal direction when this alternate function is active

Must be one of: * "input" * "output" * "bidirectional"

3.14.1.12. Property externals

Type	array
Required	No

Description: External components associated with this pin. Set required: true on each item that is mandatory for correct operation; omit or set false for optional components (e.g. debug buttons, optional filters).

	Array restrictions
Min items	N/A
Max items	N/A
Items unicity	False
Additional items	False
Tuple validation	See below

Each item of this array must be	Description
Passive Component	A passive component used in decoupling, filtering, or required external circuits

3.14.1.12.1. Passive Component

Title: Passive Component

Type	object
Required	No
Additional properties	Any type allowed
Same definition as	Passive Component

Description: A passive component used in decoupling, filtering, or required external circuits

3.14.1.13. Property decoupling

Type	array
Required	No

Description: Decoupling capacitors placed close to this power pin (one instance generated per pin)

	Array restrictions
Min items	N/A
Max items	N/A
Items unicity	False
Additional items	False
Tuple validation	See below

Each item of this array must be	Description
Passive Component	A passive component used in decoupling, filtering, or required external circuits

3.14.1.13.1. Passive Component

Title: Passive Component

Type	object
Required	No
Additional properties	Any type allowed
Same definition as	Passive Component

Description: A passive component used in decoupling, filtering, or required external circuits

3.14.1.14. Property remark

Type	string
Required	No

Description: Free-form note about this pin (e.g. must be tied to GND, do not exceed 1.8V, connects to external crystal)

3.15. Property interfaces

Type	array
Required	No

Description: Communication interfaces exposed by the component

	Array restrictions
Min items	N/A
Max items	N/A
Items unicity	False
Additional items	False
Tuple validation	See below

Each item of this array must be	Description
Interface	A communication interface exposed by the component

3.15.1. Interface

Title: Interface

Type	combining
Required	No
Additional properties	Any type allowed
Defined in	defs/interface.schema.json

Description: A communication interface exposed by the component

Property	Pattern	Type	Deprecated	Definition	Title/Description
+ type	No	enum (of string)	No	-	Communication protocol type
- instance	No	integer	No	-	Interface instance number when multiple of the same type exist (e.g. 1 for I2C1, 2 for I2C2)
- speed_min	No	object	No	Same as resistance	Measured Value
- speed_max	No	object	No	Same as resistance	Measured Value
- description	No	string	No	-	-
+ pins	No	object	No	-	Map of signal role to pin name (e.g. {scl: SCL, sda: SDA}). Role names must match the canonical set for the declared protocol type.
- routing	No	object	No	-	PCB routing constraints for this interface

All of(Requirement)
item 0
item 1
item 2
item 3
item 4
item 5
item 6
item 7
item 8
item 9
item 10
item 11
item 12

3.15.1.1. Property item 0

Type	object
Required	No
Additional properties	Any type allowed

3.15.1.1.1. If (type = "I2C")

Type	object
Required	No
Additional properties	Any type allowed

Property	Pattern	Type	Deprecated	Definition	Title/Description
- pins	No	object	No	-	-

3.15.1.1.1.1. Property pins

Type	object
Required	No
Additional properties	Any type allowed

3.15.1.2. Property item 1

Type	object
Required	No
Additional properties	Any type allowed

3.15.1.2.1. If (type = "SMBus")

Type	object
Required	No
Additional properties	Any type allowed

Property	Pattern	Type	Deprecated	Definition	Title/Description
- pins	No	object	No	-	-

3.15.1.2.1.1. Property pins

Type	object
Required	No
Additional properties	Any type allowed

3.15.1.3. Property item 2

Type	object
Required	No
Additional properties	Any type allowed

3.15.1.3.1. If (type = "SPI")

Type	object
Required	No
Additional properties	Any type allowed

Property	Pattern	Type	Deprecated	Definition	Title/Description
- pins	No	object	No	-	-

3.15.1.3.1.1. Property pins

Type	object
Required	No
Additional properties	Any type allowed

3.15.1.4. Property item 3

Type	object
Required	No
Additional properties	Any type allowed

3.15.1.4.1. If (type = "UART")

Type	object
Required	No
Additional properties	Any type allowed

Property	Pattern	Type	Deprecated	Definition	Title/Description
- pins	No	object	No	-	-

3.15.1.4.1.1. Property pins

Type	object
Required	No
Additional properties	Any type allowed

3.15.1.5. Property item 4

Type	object
Required	No
Additional properties	Any type allowed

3.15.1.5.1. If (type = "SWD")

Type	object
Required	No
Additional properties	Any type allowed

Property	Pattern	Type	Deprecated	Definition	Title/Description
- pins	No	object	No	-	-

3.15.1.5.1.1. Property pins

Type	object
Required	No
Additional properties	Any type allowed

3.15.1.6. Property item 5

Type	object
Required	No
Additional properties	Any type allowed

3.15.1.6.1. If (type = "JTAG")

Type	object
Required	No
Additional properties	Any type allowed

Property	Pattern	Type	Deprecated	Definition	Title/Description
- pins	No	object	No	-	-

3.15.1.6.1.1. Property pins

Type	object
Required	No
Additional properties	Any type allowed

3.15.1.7. Property item 6

Type	object
Required	No
Additional properties	Any type allowed

3.15.1.7.1. If (type = "USB")

Type	object
Required	No
Additional properties	Any type allowed

Property	Pattern	Type	Deprecated	Definition	Title/Description
- pins	No	object	No	-	-

3.15.1.7.1.1. Property pins

Type	object
Required	No
Additional properties	Any type allowed

3.15.1.8. Property item 7

Type	object
Required	No
Additional properties	Any type allowed

3.15.1.8.1. If (type = "CAN")

Type	object
Required	No
Additional properties	Any type allowed

Property	Pattern	Type	Deprecated	Definition	Title/Description
- pins	No	object	No	-	-

3.15.1.8.1.1. Property pins

Type	object
Required	No
Additional properties	Any type allowed

3.15.1.9. Property item 8

Type	object
Required	No
Additional properties	Any type allowed

3.15.1.9.1. If (type = "I2S")

Type	object
Required	No
Additional properties	Any type allowed

Property	Pattern	Type	Deprecated	Definition	Title/Description
- pins	No	object	No	-	-

3.15.1.9.1.1. Property pins

Type	object
Required	No
Additional properties	Any type allowed

3.15.1.10. Property item 9

Type	object
Required	No
Additional properties	Any type allowed

3.15.1.10.1. If (type = "SAI")

Type	object
Required	No
Additional properties	Any type allowed

Property	Pattern	Type	Deprecated	Definition	Title/Description
- pins	No	object	No	-	-

3.15.1.10.1.1. Property pins

Type	object
Required	No
Additional properties	Any type allowed

3.15.1.11. Property item 10

Type	object
Required	No
Additional properties	Any type allowed

3.15.1.11.1. If (type = "SDIO")

Type	object
Required	No
Additional properties	Any type allowed

Property	Pattern	Type	Deprecated	Definition	Title/Description
- pins	No	object	No	-	-

3.15.1.11.1.1. Property pins

Type	object
Required	No
Additional properties	Any type allowed

3.15.1.12. Property item 11

Type	object
Required	No
Additional properties	Any type allowed

3.15.1.12.1. If (type = "Ethernet")

Type	object
Required	No
Additional properties	Any type allowed

Property	Pattern	Type	Deprecated	Definition	Title/Description
- pins	No	object	No	-	-

3.15.1.12.1.1. Property pins

Type	object
Required	No
Additional properties	Any type allowed

3.15.1.13. Property item 12

Type	object
Required	No
Additional properties	Any type allowed

3.15.1.13.1. If (type = "1-Wire")

Type	object
Required	No
Additional properties	Any type allowed

Property	Pattern	Type	Deprecated	Definition	Title/Description
- pins	No	object	No	-	-

3.15.1.13.1.1. Property pins

Type	object
Required	No
Additional properties	Any type allowed

3.15.1.14. Property type

Type	enum (of string)
Required	Yes

Description: Communication protocol type

Must be one of: * "I2C" * "SPI" * "UART" * "USB" * "CAN" * "Ethernet" * "SDIO" * "I2S" * "SAI" * "ADC" * "DAC" * "JTAG" * "SWD" * "SMBus" * "1-Wire"

3.15.1.15. Property instance

Type	integer
Required	No

Description: Interface instance number when multiple of the same type exist (e.g. 1 for I2C1, 2 for I2C2)

3.15.1.16. Property speed_min

Title: Measured Value

Type	object
Required	No
Additional properties	Not allowed
Same definition as	resistance

Description: Minimum supported interface speed

3.15.1.17. Property speed_max

Title: Measured Value

Type	object
Required	No
Additional properties	Not allowed
Same definition as	resistance

Description: Maximum supported interface speed

3.15.1.18. Property description

Type	string
Required	No

3.15.1.19. Property pins

Type	object
Required	Yes
Additional properties	Each additional property must conform to the schema

Description: Map of signal role to pin name (e.g. {scl: SCL, sda: SDA}). Role names must match the canonical set for the declared protocol type.

Property	Pattern	Type	Deprecated	Definition	Title/Description
-	No	string	No	-	-

3.15.1.19.1. Property additionalProperties

Type	string
Required	No

3.15.1.20. Property routing

Type	object
Required	No
Additional properties	Any type allowed

Description: PCB routing constraints for this interface

Property	Pattern	Type	Deprecated	Definition	Title/Description
- differential_impedance	No	object	No	Same as resistance	Measured Value
- length_mismatch_max	No	object	No	Same as resistance	Measured Value

3.15.1.20.1. Property differential_impedance

Title: Measured Value

Type	object
Required	No
Additional properties	Not allowed
Same definition as	resistance

Description: Required differential trace impedance (e.g. 90 Ω for USB, 100 Ω for LVDS)

3.15.1.20.2. Property length_mismatch_max

Title: Measured Value

Type	object
Required	No
Additional properties	Not allowed
Same definition as	resistance

Description: Maximum allowed length mismatch between signals of a differential pair

3.16. Property remark

Type	string
Required	No

Description: Free-form note about this component (e.g. known errata, special design requirements, recommended alternatives)

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Generated using json-schema-for-humans on 2026-03-30 at 10:42:32 +0000