STM32WL55CCUx

STMicroelectronics Arm Cortex-M4 MCU, 256KB flash, 64KB RAM, 48 MHz, 1.8-3.6V, 29 GPIO, UFQFPN48

Schematic Symbol

Pin Configuration (49 pins)

Pin	Name	Type
1	PB3	bidirectional
2	PB4	bidirectional
3	PB5	bidirectional
4	PB6	bidirectional
5	PB7	bidirectional
6	PB8	bidirectional
7	PA0	bidirectional
8	PA1	bidirectional
9	PA2	bidirectional
10	PA3	bidirectional
11	VDD	power_in
12	PA4	bidirectional
13	PA5	bidirectional
14	PA6	bidirectional
15	PA7	bidirectional
16	PA8	bidirectional
17	PA9	bidirectional
18	NRST	input
19	PH3	bidirectional
20	RFI_P	bidirectional
21	RFI_N	bidirectional
22	RFO_LP	bidirectional
23	RFO_HP	bidirectional
24	VR_PA	power_in
25	VDDPA	power_in
26	OSC_IN	input
27	OSC_OUT	input
28	VDDRF	power_in
29	VDDRF1V55	power_in
30	PB0	bidirectional
31	PB2	bidirectional
32	PB12	bidirectional
33	PA10	bidirectional
34	PA11	bidirectional
35	PA12	bidirectional
36	PA13	bidirectional
37	VBAT	power_in
38	PC13	bidirectional
39	PC14	bidirectional
40	PC15	bidirectional
41	VDDA	power_in
42	PA14	bidirectional
43	PA15	bidirectional
44	VDD	power_in
45	VFBSMPS	input
46	VDDSMPS	power_in
47	VLXSMPS	power_in
48	VSSSMPS	power_in
49	VSS	power_in

Footprint

Confirmed

Package_DFN_QFN/QFN-48-1EP_7x7mm_P0.5mm_EP5.6x5.6mm

Pad Layout

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—

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1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

32

33

34

35

36

37

38

39

40

41

42

43

44

45

46

47

48

49

Pads (65)

Number	Type
—	smd
—	smd
—	smd
—	smd
—	smd
—	smd
—	smd
—	smd
—	smd
—	smd
—	smd
—	smd
—	smd
—	smd
—	smd
—	smd
1	smd
2	smd
3	smd
4	smd
5	smd
6	smd
7	smd
8	smd
9	smd
10	smd
11	smd
12	smd
13	smd
14	smd
15	smd
16	smd
17	smd
18	smd
19	smd
20	smd
21	smd
22	smd
23	smd
24	smd
25	smd
26	smd
27	smd
28	smd
29	smd
30	smd
31	smd
32	smd
33	smd
34	smd
35	smd
36	smd
37	smd
38	smd
39	smd
40	smd
41	smd
42	smd
43	smd
44	smd
45	smd
46	smd
47	smd
48	smd
49	smd

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