Ext
e
ns
ion
c
onne
ct
ors
U
M24
0
7
4
0/4
8
U
M2
407
Re
v 1
7
3V3
3V3
-
3.3 V input/output
8
D46
SDMMC_D3
PC11
SDMMC
9
5V
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 included Arduino™ 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 included Arduino™ connector pinout
Pin
Pin name
Signal name
STM32H7
pin
MCU Function
Pin
Pin name
Signal name
STM32H7
pin
MCU Function
1
A0
ADC
PA3
ADC12_INP15
2
D51
USART_B_SCLK
PD7
USART_2
3
A1
ADC
PC0
ADC123_INP10
4
D52
USART_B_RX
PD6
USART_2
5
A2
ADC
PC3
ADC12_INP13
6
D53
USART_B_TX
PD5
USART_2
7
A3
ADC
PB1
ADC12_INP5
8
D54
USART_B_RTS
PD4
USART_2
9
A4
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