Extension connectors UM2407
40/50 UM2407 Rev 2
73V3 3V3 - 3.3 V input/output 8D46 SDMMC_D3 PC11 SDMMC
95V 5V - 5 V output 10 D47 SDMMC_CK PC12 SDMMC
11 GND GND - ground 12 D48 SDMMC_CMD PD2 SDMMC
13 GND GND - ground 14 D49 I/O PG2 -
15 VIN VIN - Power input 16 D50 I/O PG3 -
Table 19. CN8 ZIO connector pinout (continued)
Pin Pin name Signal name
STM32H7
pin
MCU Function Pin Pin name Signal name
STM32H7
pin
MCU Function
Table 20. CN9 ZIO connector pinout
Pin Pin name Signal name
STM32H7
pin
MCU Function Pin Pin name Signal name
STM32H7
pin
MCU Function
1A0 ADC PA3 ADC12_INP15 2D51 USART_B_SCLK PD7 USART_2
3A1 ADC PC0 ADC123_INP10 4D52 USART_B_RX PD6 USART_2
5A2 ADC PC3 ADC12_INP13 6D53 USART_B_TX PD5 USART_2
7A3 ADC PB1 ADC12_INP5 8D54 USART_B_RTS PD4 USART_2
9A4 ADC
PC2/
PB9
ADC123_INP12/
I2C1_SDA
10 D55 USART_B_CTS PD3 USART_2
11 A5 ADC PF10/ PB8
ADC3_INP6/
I2C1_SCL
12 GND GND - -
13 D72 COMP1_INP PB2 COMP1_INP 14 D56 SAI_A_MCLK PE2
(1)
SAI_1_A
15 D71 COMP2_INP PE0 COMP2_INP 16 D57 SAI_A_FS PE4 SAI_1_A
17 D70 I2C_B_SMBA PF2 I2C2 18 D58 SAI_A_SCK PE5 SAI_1_A
19 D69 I2C_B_SCL PF1 I2C2 20 D59 SAI_A_SD PE6 SAI_1_A
21 D68 I2C_B_SDA PF0 I2C2 22 D60 SAI_B_SD PE3 SAI_1_B
23 GND GND -- 24 D61 SAI_B_SCK PF8 SAI_1_B
25 D67 CAN_RX PD0 CAN_1 26 D62 SAI_B_MCLK PF7 SAI_1_B
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