STM32F103xC, STM32F103xD, STM32F103xE
Pin descriptions
Table 4.
Pin definitions (continued)
Pins
Alternate functions
Main
Pin name
function(3)
(after reset)
Default
Remap
SPI2_MOSI/I2S2_SD
TIM1_CH3N(6)
L12 G8 36 54 76
PB15
I/O FT
PB15
L9 K9
K9 J9
J9 H9
H9 G9
-
-
-
-
55 77
56 78
57 79
58 80
PD8
PD9
I/O FT
I/O FT
I/O FT
I/O FT
PD8
PD9
FSMC_D13
FSMC_D14
FSMC_D15
FSMC_A16
USART3_TX
USART3_RX
USART3_CK
USART3_CTS
PD10
PD11
PD10
PD11
TIM4_CH1 /
USART3_RTS
L10 K10
K10 J10
-
59 81
60 82
PD12
I/O FT
PD12
PD13
FSMC_A17
FSMC_A18
-
-
-
-
-
-
-
-
-
-
-
-
-
-
PD13
VSS_8
VDD_8
PD14
PD15
PG2
I/O FT
S
TIM4_CH2
G8
F8
-
-
-
-
83
84
S
K11 H10
K12 G10
61 85
62 86
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
S
PD14
PD15
FSMC_D0
FSMC_D1
TIM4_CH3
TIM4_CH4
J12
J11
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
87
88
89
90
91
92
93
94
95
FSMC_A12
FSMC_A13
FSMC_A14
FSMC_A15
FSMC_INT2
FSMC_INT3
PG3
J10
PG4
H12
H11
H10
G11
G10
F10
PG5
PG6
PG7
PG8
VSS_9
VDD_9
S
I2S2_MCK/
TIM8_CH1/SDIO_D6
G12 F10 37 63 96
F12 E10 38 64 97
PC6
PC7
I/O FT
I/O FT
PC6
PC7
TIM3_CH1
TIM3_CH2
I2S3_MCK/
TIM8_CH2/SDIO_D7
F11 F9 39 65 98
E11 E9 40 66 99
PC8
PC9
I/O FT
I/O FT
PC8
PC9
TIM8_CH3/SDIO_D0
TIM8_CH4/SDIO_D1
TIM3_CH3
TIM3_CH4
USART1_CK/
E12 D9 41 67 100
D12 C9 42 68 101
D11 D10 43 69 102
PA8
PA9
I/O FT
I/O FT
I/O FT
PA8
PA9
TIM1_CH1(6)/MCO
USART1_TX(6)
TIM1_CH2(6)
/
USART1_RX(6)
TIM1_CH3(6)
/
PA10
PA10
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