UM2407 Rev 2 37/50
UM2407 Extension connectors
49
8 Extension connectors
8.1 ST Zio connectors
For all STM32H7 Nucleo-144 boards, the following figure shows the signals connected by
default to the ST Zio connectors (CN7, CN8, CN9, CN10), including the support for
ARDUINO
®
Uno V3.
Figure 18. NUCLEOH7 Nucleo-144 board
CN7, CN8, CN9, and CN10 are female on top side and male on bottom side connectors.
They include support for ARDUINO
®
Uno V3. Most shields designed for ARDUINO
®
Uno
V3 can fit the STM32H7 Nucleo-144 board.
To cope with ARDUINO
®
Uno V3, apply the following modifications:
• SB55 and SB62 must be ON
• SB53/60/65 must be OFF to connect I
2
C on A4 (pin 9) and A5 (pin 11 of CN9).
MSv62196V2
NUCLEO-H723ZG
NUCLEO-H743ZI2
NUCLEO-H753ZI
CN7
CN10
CN8
CN9
1
3
5
7
9
11
13
15
17
19
2
4
6
8
10
12
14
16
18
20
1
3
5
7
9
11
13
15
2
4
6
8
10
12
14
16
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
2
4
6
8
10
12
14
16
18
20
22
24
26
28
30
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
33
2
4
6
8
10
12
14
16
18
20
22
24
26
28
30
32
34
D65
D66
D67
GND
D68
D69
D70
D71
D72
VIN
GND
GND
+5V
+3V3
RESET
IOREF
NC
A5
A4
A3
A2
A1
A0
D50
D49
D48
D47
D46
D45
D44
D43
GND
D55
D54
D53
D52
D51
D64
D63
D62
D61
D60
D59
D58
D57
D56
D34
D33
D32
GND
D31
D30
D29
D28
GND
D25
D24
D23
D22
D21
D20
D19
D18
D17
D16
D27
D26
A8
A7
A6
GND
AGND
AVDD
D8
D9
D10
D11
D12
D13
GND
AVDD
D14
D15
D0
D1
D2
D3
D4
D5
D6
D7
D35
D36
D37
D38
D39
D40
GND
D41
D42
PG0
PD1
PD0
GND
PF0
PF1
PF2
PE9
PB2
VIN
GND
GND
5V
3V3
NRST
IOREF
NC
PF10
PC2
PB1
PC3
PC0
PA3
PC8
PG3
PG2
PD2
PC12
PC11
PC10
PC9
GND
PD3
PD4
PD5
PD6
PD7
PG1
PF9
PF7
PF8
PE3
PE6
PE4
PE2
PE5
PE0
PB0
PA0
GND
PE2
PD11
PD12
PD13
GND
PB4
PA4
PB3
PB5
PC7
PA15
PB12
PB13
PB15
PC6
PB2
PG6
PF6
PF5
PF4
GND
AGND
VDDA
PF3
PD15
PD14
PB5
PA6
PA5
GND
VREFP
PB9
PB8
PB7
PB6
PG14
PE13
PE14
PE11
PE9
PG12
PB11
PB10
PE15
PE6
PE12
PE10
PE7
PE8
GND
Arduino subset of Zio = A0 to A5 and D0 to D15
Zio extension = A6 to A8 and D16 to D72
USB
OTG
USB
ST-LINK
ETHERNET
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