引脚和引脚说明
表5 。
引脚
LQFP48/
UFQFPN48
VFQFPN36
TFBGA64
LQFP64
引脚名称
TYPE
(1)
STM32F103x4 ， STM32F103x6
低密度STM32F103xx引脚定义（续）
I / O电平
(2)
第二功能
(4)
主
功能
(3)
（复位后）
默认
重映射
-
18
19
20
21
22
23
24
25
26
27
28
-
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
H6
F5
G5
G6
G7
H7
D6
E6
H8
G8
F8
F7
F6
E7
E8
D8
D7
C7
C6
C8
B8
A8
D5
E5
A7
A6
B7
B6
C5
15
16
17
-
-
18
19
-
-
-
-
-
-
-
-
20
21
22
23
24
25
26
27
28
29
PC5
PB0
PB1
PB2
PB10
PB11
V
SS_1
V
DD_1
PB12
PB13
PB14
PB15
PC6
PC7
PC8
PC9
PA8
PA9
PA10
PA11
PA12
PA13
V
SS_2
V
DD_2
PA14
PA15
PC10
PC11
PC12
I / O
I / O
I / O
PC5
PB0
PB1
ADC12_IN15
ADC12_IN8/TIM3_CH3
(9)
ADC12_IN9/TIM3_CH4
(9)
TIM1_CH2N
TIM1_CH3N
I / O FT PB2 / BOOT1
I / O FT
I / O FT
S
S
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
PB10
PB11
V
SS_1
V
DD_1
PB12
PB13
PB14
PB15
PC6
PC7
PC8
PC9
PA8
PA9
PA10
PA11
PA12
USART1_CK/
TIM1_CH1/MCO
USART1_TX
(9)
/
TIM1_CH2
(9)
USART1_RX
(9)
/ TIM1_CH3
USART1_CTS / CAN_RX
(9)
/
TIM1_CH4 / USBDM
USART1_RTS / CAN_TX
(9)
/
TIM1_ETR / USBDP
PA13
TIM1_BKIN
(9)
TIM1_CH1N
(9)
TIM1_CH2N
(9)
TIM1_CH3N
(9)
TIM3_CH1
TIM3_CH2
TIM3_CH3
TIM3_CH4
TIM2_CH3
TIM2_CH4
-
29
30
31
32
33
34
35
36
37
38
-
-
-
40
41
42
43
44
45
46
47
48
49
50
51
52
53
I / O FT JTMS / SWDIO
S
S
V
SS_2
V
DD_2
I / O FT JTCK / SWCLK
I / O FT
I / O FT
I / O FT
I / O FT
JTDI
PC10
PC11
PC12
PA14
TIM2_CH1_ETR/
PA15 / SPI1_NSS
26/90
文档ID 15060第6版
