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Board Entry Info

Generic BoardPkgProduct LineFlashRAMCortexFPUCPUWirelessUSBCAN/FDCANETHSVD
Generic U073M8IxISTM32U073xx64 KB40 KBCortex-M0+NoSingle CPUNoYesNoNoSTM32U073.svd
Generic U073MBIxISTM32U073xx128 KB40 KBCortex-M0+NoSingle CPUNoYesNoNoSTM32U073.svd
Generic U073MCIxISTM32U073xx256 KB40 KBCortex-M0+NoSingle CPUNoYesNoNoSTM32U073.svd
Generic U083MCIxISTM32U083xx256 KB40 KBCortex-M0+NoSingle CPUNoYesNoNoSTM32U083.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 (no. alternatives: 1) TIM3 1 D6/A6
PA_6_ALT1 TIM16 1
PA_7 (no. alternatives: 1) TIM1 1N D7/A7
PA_7_ALT1 TIM3 2
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 (no. alternatives: 1) TIM1 2N D16/A8
PB_0_ALT1 TIM3 3
PB_1 (no. alternatives: 1) TIM1 3N D17/A9
PB_1_ALT1 TIM3 4
PB_3 TIM2 2 D19
PB_4 TIM3 1 D20
PB_5 TIM3 2 D21
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
PC_6 TIM3 1 D38
PC_7 TIM3 2 D39
PC_8 TIM3 3 D40
PC_9 TIM3 4 D41
PE_3 TIM3 1 D61
PE_8 TIM1 1N D63
PE_9 TIM1 1 D64

ADC Pins

Pin ADC Channel Generic label
PA_0 ADC1 4 D0/A0
PA_1 ADC1 5 D1/A1
PA_2 ADC1 6 D2/A2
PA_3 ADC1 7 D3/A3
PA_4 ADC1 8 D4/A4
PA_5 ADC1 9 D5/A5
PA_6 ADC1 10 D6/A6
PA_7 ADC1 14 D7/A7
PB_0 ADC1 17 D16/A8
PB_1 ADC1 18 D17/A9
PC_0 ADC1 0 D32/A10
PC_1 ADC1 1 D33/A11
PC_2 ADC1 2 D34/A12
PC_3 ADC1 3 D35/A13
PC_4 ADC1 15 D36/A14
PC_5 ADC1 16 D37/A15

UART Pins

Pin Peripheral Signal Generic label
PA_0 USART4 TX D0/A0
PA_2 (no. alternatives: 1) LPUART1 TX D2/A2
PA_2_ALT1 USART2 TX
PA_4 LPUART3 TX D4/A4
PA_5 USART3 TX D5/A5
PA_9 USART1 TX D9
PB_6 (no. alternatives: 2) LPUART2 TX D22
PB_6_ALT1 LPUART3 TX
PB_6_ALT2 USART1 TX
PB_8 USART3 TX D24
PB_10 (no. alternatives: 1) USART3 TX D26
PB_10_ALT1 LPUART2 RX
PB_11 (no. alternatives: 1) LPUART1 TX D27
PB_11_ALT1 LPUART2 TX
PC_0 LPUART2 TX D32/A10
PC_1 LPUART1 TX D33/A11
PC_4 (no. alternatives: 1) LPUART3 TX D36/A14
PC_4_ALT1 USART3 TX
PC_6 LPUART2 TX D38
PC_10 (no. alternatives: 1) USART3 TX D42
PC_10_ALT1 USART4 TX
PD_5 USART2 TX D53
PD_8 (no. alternatives: 1) LPUART3 TX D55
PD_8_ALT1 USART3 TX
PA_1 USART4 RX D1/A1
PA_3 (no. alternatives: 1) LPUART1 RX D3/A3
PA_3_ALT1 USART2 RX
PA_5 LPUART3 RX D5/A5
PA_7 USART3 RX D7/A7
PA_10 USART1 RX D10
PA_15 (no. alternatives: 1) USART2 RX D15
PA_15_ALT1 USART4 RTS
PB_7 (no. alternatives: 2) LPUART2 RX D23
PB_7_ALT1 LPUART3 RX
PB_7_ALT2 USART1 RX
PB_9 USART3 RX D25
PB_10 (no. alternatives: 1) LPUART1 RX D26
PB_10_ALT1 LPUART2 RX
PB_11 (no. alternatives: 1) USART3 RX D27
PB_11_ALT1 LPUART2 TX
PC_0 LPUART1 RX D32/A10
PC_1 LPUART2 RX D33/A11
PC_5 (no. alternatives: 1) LPUART3 RX D37/A15
PC_5_ALT1 USART3 RX
PC_7 LPUART2 RX D39
PC_11 (no. alternatives: 1) USART3 RX D43
PC_11_ALT1 USART4 RX
PD_6 USART2 RX D54
PD_9 (no. alternatives: 1) LPUART3 RX D56
PD_9_ALT1 USART3 RX
PA_1 USART2 RTS D1/A1
PA_12 USART1 RTS D12
PA_15 (no. alternatives: 1) USART3 RTS D15
PA_15_ALT1 USART4 RTS
PB_1 (no. alternatives: 2) LPUART1 RTS D17/A9
PB_1_ALT1 LPUART2 RTS
PB_1_ALT2 USART3 RTS
PB_3 USART1 RTS D19
PB_4 LPUART3 RTS D20
PB_12 LPUART1 RTS D28
PB_14 USART3 RTS D30
PD_2 USART3 RTS D50
PD_4 USART2 RTS D52
PD_12 (no. alternatives: 1) LPUART3 RTS D59
PD_12_ALT1 USART3 RTS
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_0 LPUART2 CTS D16/A8
PB_4 USART1 CTS D20
PB_5 LPUART3 CTS D21
PB_7 (no. alternatives: 2) USART4 CTS D23
PB_7_ALT1 LPUART3 RX
PB_7_ALT2 USART1 RX
PB_13 (no. alternatives: 1) LPUART1 CTS D29
PB_13_ALT1 USART3 CTS
PD_3 USART2 CTS D51
PD_11 (no. alternatives: 1) LPUART3 CTS D58
PD_11_ALT1 USART3 CTS

SPI Pins

Pin Peripheral Signal Generic label
PA_7 SPI1 MOSI D7/A7
PA_12 (no. alternatives: 1) SPI1 MOSI D12
PA_12_ALT1 SPI2 MOSI
PB_5 (no. alternatives: 1) SPI1 MOSI D21
PB_5_ALT1 SPI3 MOSI
PB_15 SPI2 MOSI D31
PC_3 SPI2 MOSI D35/A13
PC_12 SPI3 MOSI D44
PD_4 SPI2 MOSI D52
PA_6 SPI1 MISO D6/A6
PA_11 (no. alternatives: 1) SPI1 MISO D11
PA_11_ALT1 SPI2 MISO
PB_4 (no. alternatives: 1) SPI1 MISO D20
PB_4_ALT1 SPI3 MISO
PB_14 SPI2 MISO D30
PC_2 SPI2 MISO D34/A12
PC_11 SPI3 MISO D43
PD_3 SPI2 MISO D51
PA_1 (no. alternatives: 1) SPI1 SCLK D1/A1
PA_1_ALT1 SPI2 SCLK
PA_5 SPI1 SCLK D5/A5
PB_3 (no. alternatives: 1) SPI1 SCLK D19
PB_3_ALT1 SPI3 SCLK
PB_10 SPI2 SCLK D26
PB_13 SPI2 SCLK D29
PC_10 SPI3 SCLK D42
PD_1 SPI2 SCLK D49
PA_4 (no. alternatives: 1) SPI1 SSEL D4/A4
PA_4_ALT1 SPI3 SSEL
PA_10 SPI2 SSEL D10
PA_15 (no. alternatives: 1) SPI1 SSEL D15
PA_15_ALT1 SPI3 SSEL
PB_0 SPI1 SSEL D16/A8
PB_9 SPI2 SSEL D25
PB_12 SPI2 SSEL D28
PD_0 SPI2 SSEL D48

I2C Pins

Pin Peripheral Signal Generic label
PA_6 (no. alternatives: 1) I2C2 SDA D6/A6
PA_6_ALT1 I2C3 SDA
PA_10 (no. alternatives: 1) I2C1 SDA D10
PA_10_ALT1 I2C2 SDA
PB_4 (no. alternatives: 1) I2C2 SDA D20
PB_4_ALT1 I2C3 SDA
PB_7 (no. alternatives: 2) I2C1 SDA D23
PB_7_ALT1 I2C2 SDA
PB_7_ALT2 I2C4 SDA
PB_9 (no. alternatives: 1) I2C1 SDA D25
PB_9_ALT1 I2C2 SDA
PB_11 (no. alternatives: 1) I2C2 SDA D27
PB_11_ALT1 I2C4 SDA
PB_14 I2C2 SDA D30
PC_1 (no. alternatives: 1) I2C3 SDA D33/A11
PC_1_ALT1 I2C4 SDA
PD_13 I2C4 SDA D60
PA_7 (no. alternatives: 1) I2C2 SCL D7/A7
PA_7_ALT1 I2C3 SCL
PA_9 (no. alternatives: 1) I2C1 SCL D9
PA_9_ALT1 I2C2 SCL
PB_3 (no. alternatives: 1) I2C2 SCL D19
PB_3_ALT1 I2C3 SCL
PB_6 (no. alternatives: 2) I2C1 SCL D22
PB_6_ALT1 I2C2 SCL
PB_6_ALT2 I2C4 SCL
PB_8 (no. alternatives: 1) I2C1 SCL D24
PB_8_ALT1 I2C2 SCL
PB_10 (no. alternatives: 1) I2C2 SCL D26
PB_10_ALT1 I2C4 SCL
PB_13 I2C2 SCL D29
PC_0 (no. alternatives: 1) I2C3 SCL D32/A10
PC_0_ALT1 I2C4 SCL
PD_12 I2C4 SCL D59

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