Pin Assignment

For Detail information, please refer to W55MH32 Datasheet.

Pin Layout

W55MH32L Pin Layout

Pin Description

NO	Pin Name	Type	I/O Level	Main Function (after reset)	Remap
1	TXN	AO	–	TXN	–
2	TXP	AO	–	TXP
3	AGND	AGND	–	–	–
4	AVDD	PWR	–	–	–
5	RXN	AI	–	RXN	–
6	RXP	AI	–	RXP
7	AVDD	PWR	–	–	–
8	EXRES1	–	–	–	–
9	PE3	–	–	–	–
10	VBAT33	VBAT	S	–	–
11	PC13–TAMPERRTC	I/O	–	PC13	–
12	PC14–OSC32_IN	I/O	–	PC14	–
13	PC15–OSC32_OUT	I/O	–	PC15	–
14	PF8	I/O	–	PF8	–
15	OSC_IN	I	–	OSC_IN	–
16	OSC_OUT	O	–	OSC_OUT	–
17	nRESET	I	–	nRESET	–
18	PC2	I/O	–	PC2	–
19	AVDD33	PWR	–	–	–
20	PA0–WKUP	I/O	–	PA0	–
21	PA1	I/O	–	PA1	–
22	PA2	I/O	–	PA2	–
23	PA3	I/O	–	PA3	–
24	VDD33	PWR	–	–
25	PA4	I/O	–	PA4	–
26	PA5	I/O	–	PA5	–
27	PA6	I/O	–	PA6	TIM1_BKIN
28	PA7	I/O	–	PA7	TIM1_CH1N
29	PC4	I/O	–	PC4	–
30	PC5	I/O	–	PC5	–
31	PB0	I/O	–	PB0	TIM1_CH2N
32	PB1	I/O	–	PB1	TIM1_CH3N
33	PB2	I/O	FT	PB2/BOOT1	–
34	PF11	I/O	FT	PF11	–
35	PF13	I/O	FT	PF13	–
36	AGND	AGND	–	–	–
37	AVDD	PWR	–	–	–
38	VBG	AO	–	–	–
39	TOCAP	AO	–	–	–
40	1V2O	PWR	–	–	–
41	SPDLED	O	–	SPDLED	–
42	LINKLED	O	–	LINKLED	–
43	DUPLED	O	–	DUPLED	–
44	ACTLED	O	–	ACTLED
45	VDD	PWR	–	–	–
46	XI	AI	–	–	–
47	XO	AO	–	–	–
48	PB10	I/O	FT	PB10	TIM2_CH3
49	PB11	I/O	FT	PB11	TIM2_CH4
50	VDD33	PWR	–	–	–
51	PD11	I/O	FT	PD11	–
52	PD12	I/O	FT	PD12	TIM4_CH1 /USART3_RX
53	PD13	I/O	FT	PD13	TIM4_CH2
54	PD14	I/O	FT	PD14	TIM4_CH3
55	PD15	I/O	FT	PD15	TIM4_CH4
56	PG2	I/O	FT	PG2	–
57	PG3	I/O	FT	PG3	–
58	PG4	I/O	FT	PG4	–
59	PG5	I/O	FT	PG5	–
60	PG6	I/O	FT	PG6	–
61	PG7	I/O	FT	PG7	–
62	PG8	I/O	FT	PG8	–
63	VDD33	PWR	–	–	–
64	PC6	I/O	FT	PC6	TIM3_CH1
65	PC7	I/O	FT	PC7	TIM3_CH2
66	PC8	I/O	FT	PC8	TIM3_CH3
67	PC9	I/O	FT	PC9	TIM3_CH4
68	PA8	I/O	FT	PA8	–
69	PA9	I/O	FT	PA9	–
70	PA10	I/O	FT	PA10	–
71	PMODE2	I	–	–	–
72	PMODE1	I	–	–
73	PMODE0	I	–	–
74	PA11	I/O	–	PA11	–
75	PA12	I/O	–	PA12	–
76	PA13	I/O	FT	JTMS–SWDIO	PA13
77	VDD33	PWR	–	–	–
78	PA14	I/O	FT	JTCK–SWCLK	PA14
79	PA15	I/O	FT	JTDI	TIM2_CH1_ETR/ PA15/SPI1_NSS
80	PC10	I/O	FT	PC10	USART3_TX
81	PC11	I/O	FT	PC11	USART3_RX
82	PC12	I/O	FT	PC12	USART3_CK
83	PD0	I/O	FT	PD0	CAN_RX
84	PD1	I/O	FT	PD1	CAN_TX
85	PD2	I/O	FT	PD2	–
86	PD3	I/O	FT	PD3	USART2_CTS
87	PD4	I/O	FT	PD4	USART2_RTS
88	PD5	I/O	FT	PD5	USART2_TX
89	PD6	I/O	FT	PD6	USART2_RX
90	PD7	I/O	FT	PD7	–
91	PB3	I/O	FT	JTDO	PB3/TRACESWO TIM2_CH2/ SPI1_SCK
92	PB4	I/O	FT	NJTRST	PB4/TIM3_CH1/ SPI1_MISO
93	PB5	I/O	–	PB5	TIM3_CH2/ SPI1_MOSI
94	PB6	I/O	FT	PB6	USART1_TX
95	PB7	I/O	FT	PB7	USART1_RX
96	BOOT0	I	–	BOOT0	–
97	PB8	I/O	FT	PB8	I2C1_SCL/CAN_RX
98	PB9	I/O	FT	PB9	I2C1_SDA/CAN_TX
99	PE1	I/O	FT	PE1	–
100	VDD33	PWR	–	–	–

W55MH32L Pin Layout

Pin Description

NO	Pin Name	Type	I/O Level	Main Function (after reset)	Remap
1	TXN	AO	–	TXN	–
2	TXP	AO	–	TXP
3	AVDD	PWR	–	–	–
4	RXN	AI	–	RXN	–
5	RXP	AI	–	RXP
6	AVDD	PWR	–	–	–
7	EXRES1	–	–	–	–
8	AVDD	PWR	–	–	–
9	VBAT33	VBAT	S	–	–
10	PC13–TAMPERRTC	I/O	–	PC13	–
11	PC14–OSC32_IN	I/O	–	PC14	–
12	PC15–OSC32_OUT	I/O	–	PC15	–
13	OSC_IN	I	–	OSC_IN	–
14	OSC_OUT	O	–	OSC_OUT	–
15	nRESET	I	–	nRESET	–
16	VDD33+ AVDD33	PWR	–	–	–
17	PA0–WKUP	I/O	–	PA0	–
18	PA3	I/O	–	PA3	–
19	PA4	I/O	–	PA4	–
20	PA5	I/O	–	PA5	–
21	PA6	I/O	–	PA6	TIM1_BKIN
22	PA7	I/O	–	PA7	TIM1_CH1N
23	PC4	I/O	–	PC4	–
24	PC5	I/O	–	PC5	–
25	PB0	I/O	–	PB0	TIM1_CH2N
26	PB1	I/O	–	PB1	TIM1_CH3N
27	PB2	I/O	FT	PB2/BOOT1	–
28	PB10	I/O	FT	PB10	TIM2_CH3
29	PB11	I/O	FT	PB11	TIM2_CH4
30	VDD33	PWR	–	–	–
31	AVDD	PWR	–	–	–
32	VBG	AO	–	–	–
33	TOCAP	AO	–	–	–
34	AVDD	PWR	–	–	–
35	1V2O	PWR	–	–	–
36	SPDLED	O	–	SPDLED	–
37	LINKLED	O	–	LINKLED	–
38	DUPLED	O	–	DUPLED	–
39	ACTLED	O	–	ACTLED
40	VDD	PWR	–	–	–
41	XI	AI	–	–	–
42	XO	AO	–	–	–
43	PA8	I/O	FT	PA8	–
44	PA9	I/O	FT	PA9	–
45	PA10	I/O	FT	PA10	–
46	PA11	I/O	–	PA11	–
47	PA12	I/O	–	PA12	–
48	PA13	I/O	FT	JTMS–SWDIO	PA13
49	VDD33	PWR	–	–	–
50	PMODE2	I	–	–	–
51	PMODE1	I	–	–
52	PMODE0	I	–	–
53	PA14	I/O	FT	JTCK–SWCLK	PA14
54	PA15	I/O	FT	JTDI	TIM2_CH1_ETR/ PA15/SPI1_NSS
55	PC10	I/O	FT	PC10	USART3_TX
56	PC11	I/O	FT	PC11	USART3_RX
57	PC12	I/O	FT	PC12	USART3_CK
58	PD5	I/O	FT	PD5	USART2_TX
59	PD6	I/O	FT	PD6	USART2_RX
60	PB3	I/O	FT	JTDO	PB3/TRACESWO TIM2_CH2/ SPI1_SCK
61	PB4	I/O	FT	NJTRST	PB4/TIM3_CH1/ SPI1_MISO
62	PB5	I/O	–	PB5	TIM3_CH2/ SPI1_MOSI
63	PB6	I/O	FT	PB6	USART1_TX
64	PB7	I/O	FT	PB7	USART1_RX
65	BOOT0	I	–	BOOT0	–
66	PB8	I/O	FT	PB8	I2C1_SCL/CAN_RX
67	PB9	I/O	FT	PB9	I2C1_SDA/CAN_TX
68	VDD33	PWR	–	–	–