ST MB1801B-01 - Page 14

UM3301 - Rev 3 page 14/26
UM3301-M
Table 11. Pinout of the MCU RF board connectors
CN1
CN2
Pin
number
STM32WBA55CG
pin name
Pin
number
STM32WBA55CG
pin name
Pin
number
STM32WBA55CG
pin name
Pin
number
STM32WBA55CG
pin name
1
GND
2
VDD1
1
NC
2
GND
3
NC
4
NC
3
NC
4
NC
5
NC
6
GND
5
NC
6
NC
7
GND
8
PB9
(1)
7
PB2
8
GND
9
BOOT0
10
NC
9
PB1
10
PB4
11
NC
12
NRST
11
PB4
12
PB3/SWO
(1)
13
PA13
14
GND
13
PB3
14
GND
15
PA14
16
NC
15
PA15
16
NC
17
GND
18
VDD3
17
NC
18
NC
19
NC
20
VDDA
19
NC
20
GND
21
NC
22
GND
21
PA12
22
PA0
(1)
/PA15
(1)
/JTDI
(1)
23
NC
24
PA7
23
PA9
(1)
24
NC
25
GND
26
PA6
25
PB15/PA11
(1)
26
GND
27
NC
28
GND
27
PB9/PC13
(1)
28
PA12
(1)
29
PA9
30
VDD4
29
PB0
30
PA11
31
GND
32
VDD5
31
NC
32
GND
33
PC14
34
GND
33
NC
34
PB8(1)/PB15(1)
35
PC15
36
PA2
35
PB14
36
NC
37
GND
38
PA1
37
PA11
38
GND
39
OSC_IN
40
GND
39
PB6
40
PB6
41
OSC_OUT
42
PA5/PA8
(1)
41
PB7
42
PB7
43
NC
44
PA0/PA5(1)
43
PB5
44
GND
45
PA8
46
GND
45
PA10
46
PC13
47
PB12
48
NC
47
NC
48
PB8
49
GND
50
NC
49
VDD15
50
GND
1. Optional, need to change the state of solder bridges.