Table 15 shows the pin assignments for the STM32 on the ST morpho connector.
Table 15. ST morpho connector pin assignment
CN7 odd pins CN7 even pins CN10 odd pins CN10 even pins
Pin number Pin name Pin number Pin name Pin number Pin name Pin number Pin name
1 PC10 2 PC11 1 PC9 2 PC8
3 PC12 4 PD2 3 PB8 4 PC6
5 VDD 6 5V_EXT 5 PB9 6 PC5
7
BOOT0
(1)
8 GND 7 VREFP 8
5V_STLK
(2)
9 PF6 10 - 9 GND 10 PD8
11 PF7 12 IOREF 11 PA5 12 PA12
13
PA13
(3)
14 NRST 13 PA6 14
PA11
(6)
15
PA14
(3)
16 3V3 15 PA7 16 PB12
17 PA15 18 5V 17 PB6 18 PB11
19 GND 20 GND 19 PC7 20 GND
21 PB7 22 GND 21 PA9 22 PB2
23 PC13 24 VIN 23 PA8 24 PB1
25
PC14
(4)
26 - 25 PB10 26 PB15
27
PC15
(4)
28 PA0 27
PB4
(5)
28 PB14
29
PH0
(4)
30 PA1 29 PB5 30 PB13
31
PH1
(4)
32 PA4 31 PB3 32 AGND
33 VBAT 34 PB0 33 PA10 34 PC4
35 PC2 36 PC1 35 PA2 36 PF5
37 PC3 38 PC0 37 PA3 38 PF4
39 PD4 40 PD3 39 GND 40 PE8
41 PD5 42 PG2 41 PD13 42 PF10
43 PD6 44 PG3 43 PD12 44 PE7
45 PD7 46 PE2 45 PD11 46 PD14
47 PE3 48 PE4 47 PE10 48 PD15
49 GND 50 PE5 49 PE12 50 PF14
51 PF1 52 PF2 51 PE14 52 PE9
53 PF0 54 PF8 53 PE15 54 GND
55 PD1 56 PF9 55 PE13 56 PE11
57 PD0 58 PG1 57 PF13 58 PF3
59 PG0 60 GND 59 PF12 60 PF15
61 PE1 62 PE6 61 PG14 62 PF11
63 PG9 64 PG15 63 GND 64 PE0
65 PG12 66 PG10 65 PD10 66 PG8
67 - 68 PG13 67 PG7 68 PG5
69 PD9 70 PG11 69 PG4 70 PG6
1. The default state of BOOT0 is 0. It can be set to 1 when a jumper is on CN11 [5-7].
2. ST_STLK is 5V power, coming from an STLINK-V3EC USB connector. It rises before the 5V signal of the board.
3. PA13 and PA14 are shared with SWD signals connected to STLINK-V3EC.
UM3276
Expansion connectors
UM3276 - Rev 1
page 29/40
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