SOM Pinout Requirements
- Lakshay Gupta
The following document outlines the pins and peripherals required for each system to determine what pins need to broken out via the connector.
LeaderSOM
Internal to LeaderSOM:
The following are the peripherals used by the LeaderSOM (so not broken out on the connector)
Peripheral | # of Pins | Protocol |
|---|---|---|
CarCAN | 2 | CANBus |
InternalCAN | 2 | CANBus |
SD Card | 5 | SPI + GPIO |
USB | 2 | UART |
I2C Pullups x 2 | 1 | GPIO |
LEDs | 2 | GPIO |
Controls:
BPS:
BPS Leader
Peripheral | # of Pins | Protocol |
|---|---|---|
Contactor x 3 | 6 | GPIO |
Fans | 3 | I2C + GPIO |
Strobe Light | 1 | GPIO |
Data Acquisition:
Power Generation:
PeripheralSOM
Internal to PeripheralSOM:
The following are the peripherals used by the PeripheralSOM (so not broken out on the connector)
Peripheral | # of Pins | Protocol |
|---|---|---|
CAN | 2 | CANBus |
Switches | 2 | GPIO |
USB | 2 | UART |
I2C Pullups | 1 | GPIO |
LEDs | 4 | GPIO |
Controls:
BPS:
Voltage PCB
Peripheral | # of Pins | Protocol |
|---|---|---|
BMS Chip | 3 | I2C GPIO |
Temperature PCB
Peripheral | # of Pins | Protocol |
|---|---|---|
Temperature x 2 | 8 | SPI |
Amperes PCB
Peripheral | # of Pins | Protocol |
|---|---|---|
Thermistor | 1 | ADC |
Digital ADC | 4 | SPI |
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