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引脚说明
表3中。
引脚
TYPE
(1)
LQFP100
BGA100
LQFP48
LQFP64
引脚名称
STM32F103xx
引脚德网络nitions
I / O电平
(2)
主要功能
(3)
(复位后)
默认复用功能
A3
B3
C3
D3
E3
B2
A2
A1
B1
C2
D2
C1
D1
E1
F1
F2
E2
F3
G1
H1
J1
K1
G2
-
-
-
-
-
1
2
3
4
-
-
5
6
7
-
-
-
-
8
-
-
9
10
-
-
-
-
-
1
2
3
4
-
-
5
6
7
8
9
10
11
12
-
-
13
14
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
PE2/TRACECK
PE3/TRACED0
PE4/TRACED1
PE5/TRACED2
PE6/TRACED3
V
BAT
PC13-ANTI_TAMP
(4)
PC14-OSC32_IN
(4)
PC15-OSC32_OUT
(4)
V
SS_5
V
DD_5
OSC_IN
OSC_OUT
NRST
PC0/ADC_IN10
PC1/ADC_IN11
PC2/ADC_IN12
PC3/ADC_IN13
V
SSA
V
REF-
V
REF +
V
DDA
PA0-WKUP/
USART2_CTS/
ADC_IN0/TIM2_CH1_ETR
PA1/USART2_RTS/
ADC_IN1/TIM2_CH2
PA2/USART2_TX/
ADC_IN2 / TIM2_CH3
PA3/USART2_RX/
ADC_IN3/TIM2_CH4
V
SS_4
V
DD_4
I / O
I / O
I / O
I / O
I / O
S
I / O
I / O
I / O
S
S
I
O
I / O
I / O
I / O
I / O
I / O
S
S
S
S
I / O
FT
FT
FT
FT
FT
PE2
PE3
PE4
PE5
PE6
V
BAT
PC13
PC14-OSC32_IN
PC15-OSC32_OUT
V
SS_5
V
DD_5
OSC_IN
OSC_OUT
NRST
PC0
PC1
PC2
PC3
V
SSA
V
REF-
V
REF +
V
DDA
PA0
TRACECK
TRACED0
TRACED1
TRACED2
TRACED3
ANTI_TAMP
ADC_IN10
ADC_IN11
ADC_IN12
ADC_IN13
WKUP/USART2_CTS
(6)
/ AD
C_IN0/
TIM2_CH1_ETR
(6)
USART2_RTS
(6)
/
ADC_IN1/
TIM2_CH2
(6)
USART2_TX
(6)
/
ADC_IN2 / TIM2_CH3
(6)
USART2_RX
(6)
/
ADC_IN3/TIM2_CH4
(6)
H2
11
15
24
I / O
PA1
J2
K2
E4
F4
12
13
-
-
16
17
18
19
25
26
27
28
I / O
I / O
S
S
PA2
PA3
V
SS_4
V
DD_4
18/67