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Board Entry Info

Generic BoardPkgProduct LineFlashRAMCortexFPUCPUWirelessUSBCAN/FDCANETHSVD
Generic L412R8IxISTM32L412xx64 KB40 KBCortex-M4YesSingle CPUNoYesNoNoSTM32L412.svd
Generic L412R8TxTSTM32L412xx64 KB40 KBCortex-M4YesSingle CPUNoYesNoNoSTM32L412.svd
Generic L412RBIxISTM32L412xx128 KB40 KBCortex-M4YesSingle CPUNoYesNoNoSTM32L412.svd
Generic L412RBTxTSTM32L412xx128 KB40 KBCortex-M4YesSingle CPUNoYesNoNoSTM32L412.svd
Generic L422RBIxISTM32L422xx128 KB40 KBCortex-M4YesSingle CPUNoYesNoNoSTM32L422.svd
Generic L422RBTxTSTM32L422xx128 KB40 KBCortex-M4YesSingle CPUNoYesNoNoSTM32L422.svd

See more info in the STM32duino repository

PWM Timer Pins

Pin PWM Timer Channel Generic label
PA_0 TIM2 1 D0/A0
PA_1 (no. alternatives: 1) TIM2 2 D1/A1
PA_1_ALT1 TIM15 1N
PA_2 (no. alternatives: 1) TIM2 3 D2/A2
PA_2_ALT1 TIM15 1
PA_3 (no. alternatives: 1) TIM2 4 D3/A3
PA_3_ALT1 TIM15 2
PA_5 TIM2 1 D5/A5
PA_6 TIM16 1 D6/A6
PA_7 TIM1 1N D7/A7
PA_8 TIM1 1 D8
PA_9 TIM1 2 D9
PA_10 TIM1 3 D10
PA_11 TIM1 4 D11
PA_15 TIM2 1 D15
PB_0 TIM1 2N D16/A8
PB_1 TIM1 3N D17/A9
PB_3 TIM2 2 D19
PB_6 TIM16 1N D22
PB_8 TIM16 1 D24
PB_10 TIM2 3 D26
PB_11 TIM2 4 D27
PB_13 (no. alternatives: 1) TIM1 1N D29
PB_13_ALT1 TIM15 1N
PB_14 (no. alternatives: 1) TIM1 2N D30
PB_14_ALT1 TIM15 1
PB_15 (no. alternatives: 1) TIM1 3N D31
PB_15_ALT1 TIM15 2

ADC Pins

Pin ADC Channel Generic label
PA_0 ADC1 5 D0/A0
PA_1 ADC1 6 D1/A1
PA_2 (no. alternatives: 1) ADC1 7 D2/A2
PA_2_ALT1 ADC2 7
PA_3 (no. alternatives: 1) ADC1 8 D3/A3
PA_3_ALT1 ADC2 8
PA_4 (no. alternatives: 1) ADC1 9 D4/A4
PA_4_ALT1 ADC2 9
PA_5 (no. alternatives: 1) ADC1 10 D5/A5
PA_5_ALT1 ADC2 10
PA_6 (no. alternatives: 1) ADC1 11 D6/A6
PA_6_ALT1 ADC2 11
PA_7 (no. alternatives: 1) ADC1 12 D7/A7
PA_7_ALT1 ADC2 12
PB_0 (no. alternatives: 1) ADC1 15 D16/A8
PB_0_ALT1 ADC2 15
PB_1 (no. alternatives: 1) ADC1 16 D17/A9
PB_1_ALT1 ADC2 16
PC_0 (no. alternatives: 1) ADC1 1 D32/A10
PC_0_ALT1 ADC2 1
PC_1 (no. alternatives: 1) ADC1 2 D33/A11
PC_1_ALT1 ADC2 2
PC_2 (no. alternatives: 1) ADC1 3 D34/A12
PC_2_ALT1 ADC2 3
PC_3 (no. alternatives: 1) ADC1 4 D35/A13
PC_3_ALT1 ADC2 4
PC_4 (no. alternatives: 1) ADC1 13 D36/A14
PC_4_ALT1 ADC2 13
PC_5 (no. alternatives: 1) ADC1 14 D37/A15
PC_5_ALT1 ADC2 14

UART Pins

Pin Peripheral Signal Generic label
PA_2 (no. alternatives: 1) LPUART1 TX D2/A2
PA_2_ALT1 USART2 TX
PA_9 USART1 TX D9
PB_6 USART1 TX D22
PB_10 USART3 TX D26
PB_11 LPUART1 TX D27
PC_1 LPUART1 TX D33/A11
PC_4 USART3 TX D36/A14
PC_10 USART3 TX D42
PA_3 (no. alternatives: 1) LPUART1 RX D3/A3
PA_3_ALT1 USART2 RX
PA_10 USART1 RX D10
PA_15 USART2 RX D15
PB_7 USART1 RX D23
PB_10 LPUART1 RX D26
PB_11 USART3 RX D27
PC_0 LPUART1 RX D32/A10
PC_5 USART3 RX D37/A15
PC_11 USART3 RX D43
PA_1 USART2 RTS D1/A1
PA_12 USART1 RTS D12
PA_15 USART3 RTS D15
PB_1 (no. alternatives: 1) LPUART1 RTS D17/A9
PB_1_ALT1 USART3 RTS
PB_3 USART1 RTS D19
PB_12 LPUART1 RTS D28
PB_14 USART3 RTS D30
PD_2 USART3 RTS D48
PA_0 USART2 CTS D0/A0
PA_6 (no. alternatives: 1) LPUART1 CTS D6/A6
PA_6_ALT1 USART3 CTS
PA_11 USART1 CTS D11
PB_4 USART1 CTS D20
PB_13 (no. alternatives: 1) LPUART1 CTS D29
PB_13_ALT1 USART3 CTS

SPI Pins

Pin Peripheral Signal Generic label
PA_7 SPI1 MOSI D7/A7
PA_12 SPI1 MOSI D12
PB_5 SPI1 MOSI D21
PB_15 SPI2 MOSI D31
PC_3 SPI2 MOSI D35/A13
PA_6 SPI1 MISO D6/A6
PA_11 SPI1 MISO D11
PB_4 SPI1 MISO D20
PB_14 SPI2 MISO D30
PC_2 SPI2 MISO D34/A12
PA_1 SPI1 SCLK D1/A1
PA_5 SPI1 SCLK D5/A5
PB_3 SPI1 SCLK D19
PB_10 SPI2 SCLK D26
PB_13 SPI2 SCLK D29
PA_4 SPI1 SSEL D4/A4
PA_15 SPI1 SSEL D15
PB_0 SPI1 SSEL D16/A8
PB_9 SPI2 SSEL D25
PB_12 SPI2 SSEL D28

I2C Pins

Pin Peripheral Signal Generic label
PA_10 I2C1 SDA D10
PB_4 I2C3 SDA D20
PB_7 I2C1 SDA D23
PB_9 I2C1 SDA D25
PB_11 I2C2 SDA D27
PB_14 I2C2 SDA D30
PC_1 I2C3 SDA D33/A11
PA_7 I2C3 SCL D7/A7
PA_9 I2C1 SCL D9
PB_6 I2C1 SCL D22
PB_8 I2C1 SCL D24
PB_10 I2C2 SCL D26
PB_13 I2C2 SCL D29
PC_0 I2C3 SCL D32/A10

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