引脚和引脚说明
表5 。
STM32F103x8 ， STM32F103xB
中密度STM32F103xx引脚定义（续）
I / O电平
(2)
引脚
VFQFPN36
第二功能
(4)
主
功能
(3)
（复位后）
TYPE
(1)
LFBGA100
TFBGA64
LQFP100
LQFP48
LQFP64
引脚名称
默认
重映射
F7
24
E6
32
50
19
V
DD_1
S
V
DD_1
SPI2_NSS/
I2C2_SMBAl/
USART3_CK
(8)
/
TIM1_BKIN
(8)
SPI2_SCK/
USART3_CTS
(8)
/
TIM1_CH1N
(8)
SPI2_MISO/
USART3_RTS
(8)
TIM1_CH2N
(8)
SPI2_MOSI/
TIM1_CH3N
(8)
USART3_TX
USART3_RX
USART3_CK
USART3_CTS
TIM4_CH1 /
USART3_RTS
TIM4_CH2
TIM4_CH3
TIM4_CH4
TIM3_CH1
TIM3_CH2
TIM3_CH3
TIM3_CH4
USART1_CK/
TIM1_CH1
(8)
/ MCO
USART1_TX
(8)
/
TIM1_CH2
(8)
USART1_RX
(8)
/
TIM1_CH3
(8)
USART1_CTS/
CANRX
(8)
/ USBDM
TIM1_CH4
(8)
USART1_RTS/
CANTX
(8)
// USBDP
TIM1_ETR
(8)
K8
25
H8
33
51
-
PB12
I / O FT
PB12
J8
26
G8
34
52
-
PB13
I / O FT
PB13
H8
27
F8
35
53
-
PB14
I / O FT
PB14
G8
K9
J9
H9
G9
K10
J10
H10
G10
F10
E10
F9
E9
D9
C9
28
-
-
-
-
-
-
-
-
-
F7
-
-
-
-
-
-
-
-
F6
E7
E8
36
-
-
-
-
-
-
-
-
37
38
39
40
41
42
43
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
-
-
-
-
-
-
-
-
-
-
-
-
-
20
21
22
PB15
PD8
PD9
PD10
PD11
PD12
PD13
PD14
PD15
PC6
PC7
PC8
PC9
PA8
PA9
PA10
I / O FT
I / O FT
I / O FT
I / O FT
I / O FT
I / O FT
I / O FT
I / O FT
I / O FT
I / O FT
I / O FT
I / O FT
I / O FT
I / O FT
I / O FT
I / O FT
PB15
PD8
PD9
PD10
PD11
PD12
PD13
PD14
PD15
PC6
PC7
PC8
PC9
PA8
PA9
PA10
-
29
30
D8
D7
C7
C6
D10 31
C10 32
C8
44
70
23
PA11
I / O FT
PA11
B10 33
B8
45
71
24
PA12
I / O FT
PA12
28/92
文档ID 13587牧师11
