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Processor Pins
Function Zero Pins
Main Board - Single
Miscellaneous Pins
GND
GND
GND
3.3V
-
3.3V
USB_D+_Processor
-
USB_D+
3.3V_EN
-
3.3V_EN
USB_D-_Processor
-
USB_D-
RESET# (I - Open Drain)
-
RESET# (I - Open Drain)
GND
GND
GND
USB_VIN
-
USB_VIN
D0_Processor
F0
-
BOOT (I - Open Drain)
-
BOOT (I - Open Drain)
I2C_SDA_Processor
I2C_SDA
I2C_SDA (Qwiic)
UART_RTS_Processor
UART_RTS
-
I2C_SCL_Processor
I2C_SCL
I2C_SCL (Qwiic)
UART_CTS_Processor
UART_CTS
-
I2C_INT_Processor
I2C_INT
-
UART_TX_Processor
UART_RX
-
D1_Processor
-
SD Card CS
(microSD Card)
UART_RX_Processor
UART_TX
-
SWDCK_Processor
-
SWDCK (2x5 Header)
SWDIO_Processor
-
SWDCK (2x5 Header)
PWM0_Processor
PWM0
-
GND
GND
GND
A0_Processor
A0
-
US_Processor
US
-