Table 19. St Morpho Connector Pin Assignment - ST STM32U5 User Manual

CN11 odd pins
Pin number
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
33
35
37
39
41
43
45
47
49
51
53
55
57
59
61
63
65
67
69
1. The default state of BOOT0 is 0. It can be set to 1 when a jumper is plugged into pins 5-7 of CN11.
2. V is not connected to CN12 by default (SB20 OFF).
REFP
3. 5V_STLK is the 5V power signal, coming from the STLINK-V3E USB connector. It rises before the 5V signal of the board.
4. PA13 and PA14 are shared with SWD signals connected to STLINK-V3E.
5. PG2 to PG15 can be set to different I/O levels, thanks to the SB selecting the source for VDDIO2.
UM2861 - Rev 5
Table 19. ST morpho connector pin assignment
CN11 even pins
Pin name Pin number
PC10 2
PC12 4
VDD 6
(1) 8
PH3_BOOT0
PF6 10
PF7 12
(4) 14
PA13
PA14 (4) 16
PA15 18
GND 20
PB7 22
PC13 24
PC14 26
PC15 28
PH0 30
PH1 32
VBAT 34
PC2 36
PC3 38
PD4 40
PD5 42
PD6 44
PD7 46
PE3 48
GND 50
PF1 52
PF0 54
PD1 56
PD0 58
PG0 60
PE1 62
(5) 64
PG9
(5) 66
PG12
NC 68
PD9 70
ST morpho headers (CN11 and CN12)
CN12 odd pins
Pin name Pin number Pin name
PC11 1 PC9
PD2 3 PB8
5V_EXT 5 PB9
GND 7
VREFP
NC 9 GND
IOREF 11 PA5
NRST 13 PA6
3V3 15 PA7
5V 17 PB6
GND 19 PC7
GND 21 PA9
VIN 23 PA8
NC 25 PB10
PA0 27 PB4
PA1 29 PB5
PA4 31 PB3
PB0 33 PA10
PC1 35 PA2
PC0 37 PA3
PD3 39 GND
(5) 41 PD13
PG2
PG3 (5) 43 PD12
PE2 45 PD11
PE4 47 PE10
PE5 49 PE12
PF2 51 PE14
PF8 53 PE15
PF9 55 PE13
PG1 57 PF13
GND 59 PF12
PE6 61
PG14
(5) 63 GND
PG15
(5) 65 PD10
PG10
(5)
PG13 67 PG7
NC 69
PG4
UM2861
CN12 even pins
Pin number Pin name
2 PC8
4 PC6
6 NC
(2) 8 (3)
5V_STLK
10 PD8
12 PA12
14 PA11
16 NC
18 PB11
20 GND
22 PB2
24 PB1
26 PB15
28 PB14
30 PB13
32 AGND
34 NC
36 PF5
38 PF4
40 PE8
42 PF10
44 PE7
46 PD14
48 PD15
50 PF14
52 PE9
54 GND
56 PE11
58 PF3
60 PF15
(5) 62 PF11
64 PE0
66 (5)
PG8
(5) (5)
68 PG5
(5) 70 (5)
PG6
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