stm32f103rct6引脚功能表格_嵌入式

脚号	引脚名称	主功能	默认复用	重定义	备注
1	vbat	vbat	--	--	说明1
2	pc13-tamper-rtc	pc13	tamper-rtc	--	说明3
3	pc14-osc32_in	pc14	osc32_in	--	说明3
4	pc15-osc32_out	pc15	osc32_out	--	说明3
5	osc_in	osc_in	--	can_rx	晶振
6	osc_out	osc_out	--	can_tx	晶振
7	nrst	nrst	--	--	复位
8	pc0	pc0	adc123_in10	--	adc
9	pc1	pc1	adc123_in11	--	adc
10	pc2	pc2	adc123_in12	--	adc
11	pc3	pc3	adc123_in13	--	adc
12	vssa	vssa	--	--	模拟地
13	vdda	vdda	--	--	模拟电
14	pa0-wkup	pa0	wkup/usart2_cts adc123_in0 tim2_ch1_etr tim5_ch1/tim8_etr	--	说明4 说明5 说明6
15	pa1	pa1	usart2_rts/adc123_in1 tim5_ch2/tim2_ch2	--
16	pa2	pa2	usart2_tx/tim5_ch3 adc123_in2/tim2_ch3	--
17	pa3	pa3	usart2_rx/tim5_ch4 adc123_in3/tim2_ch4	--
18	vss_4	vss_4	--	--	数字地
19	vdd_4	vdd_4	--	--	数字电
20	pa4	pa4	spi1_nss/usart2_ck dac_out1/adc12_in4	--
21	pa5	pa5	spi1_sck/dac_out2 adc12_in5	--
22	pa6	pa6	spi1_miso/tim8_bkin adc12_in6/tim3_ch1	tim1_bkin
23	pa7	pa7	spi1_mosi/tim8_ch1n adc12_in7/tim3_ch2	tim1_ch1n
24	pc4	pc4	adc12_in14	--
25	pc5	pc5	adc12_in15	--
26	pb0	pb0	adc12_in8/tim3_ch3 tim8_ch2n	tim1_ch2n
27	pb1	pb1	adc12_in9/tim3_ch4 tim8_ch3n	tim1_ch3n
28	pb2	pb2/boot1	--	--
29	pb10	pb10	i2c2_scl/usart3_tx	tim2_ch3
30	pb11	pb11	i2c2_sda/usart3_rx	tim2_ch4
31	vss_1	vss_1	--	--	数字地
32	vdd_1	vdd_1	--	--	数字电
33	pb12	pb12	spi2_nss/i2s2_ws i2c2_smba/usart3_ck tim1_bkin	--	说明7
34	pb13	pb13	spi2_sck/i2s2_ck usart3_cts/tim1_ch1n	--
35	pb14	pb14	spi2_miso/tim1_ch2n usart3_rts	--
36	pb15	pb15	spi2_mosi/i2s2_sd tim1_ch3n
37	pc6	pc6	i2s2_mck/tim8_ch1 sdio_d6	tim3_ch1	说明8
38	pc7	pc7	i2s3_mck/tim8_ch2 sdio_d7	tim3_ch2
39	pc8	pc8	tim8_ch3/sdio_d0	tim3_ch3
40	pc9	pc9	tim8_ch4/sdio_d1	tim3_ch4
41	pa8	pa8	usart1_ck tim1_ch1/mco	--
42	pa9	pa9	usart1_tx/tim1_ch2
43	pa10	pa10	usart1_rx/tim1_ch3
44	pa11	pa11	usart1_cts/usbdm can_rx/tim1_ch4
45	pa12	pa12	usart1_rts/usbdp can_tx/tim1_etr
46	pa13	jtms/swdio	--	pa13
47	vss_2	vss_2	--	--	数字地
48	vdd_2	vdd_2	--	--	数字电
49	pa14	jtck/swclk	--	pa14
50	pa15	jtdi	spi3_nss/i2s3_ws	tim2_ch1_etr pa15/spi1_nss
51	pc10	pc10	uart4_tx/sdio_d2	usart3_tx
52	pc11	pc11	uart4_rx/sdio_d3	usart3_rx
53	pc12	pc12	uart5_tx/sdio_ck	usart3_ck
54	pd2	pd2	tim3_etr/uart5_rx sdio_cmd
55	pb3	jtdo	spi3_sck/i2s3_ck	pb3/traceswo tim2_ch2 spi1_sck
56	pb4	njtrst	spi3_miso	pb4/tim3_ch1 spi1_miso
57	pb5	pb5	i2c1_smba/spi3_mosi i2s3_sd	tim3_ch2 spi1_mosi
58	pb6	pb6	i2c1_scl/tim4_ch1	usart1_tx
59	pb7	pb7	i2c1_sda/tim4_ch2	usart1_rx
60	boot0	boot0	--	--
61	pb8	pb8	tim4_ch3/sdio_d4	i2c1_scl can_rx
62	pb9	pb9	tim4_ch4/sdio_d5	i2c1_sda can_tx
63	vss_3	vss_3	--	--	数字地
64	vdd_3	vdd_3	--	--	数字电