Pinouts and pin descriptions
Table 5.
LFBGA144
LFBGA100
STM32F103xC, STM32F103xD, STM32F103xE
High-density STM32F103xx pin definitions
I / O Level
(2)
Pins
WLCSP64
LQFP100
LQFP144
LQFP64
Pin name
Type
(1)
Alternate functions
(4)
Main
function
(3)
(after reset)
Default
Remap
A3
A2
A3
B3
-
-
-
-
-
-
-
-
-
-
1
2
3
4
-
-
-
-
-
-
-
-
-
-
-
-
-
5
6
7
8
9
1
2
3
4
5
6
7
8
9
-
-
-
-
-
-
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
PE2
PE3
PE4
PE5
PE6
V
BAT
I/O
I/O
I/O
I/O
I/O
S
FT
FT
FT
FT
FT
PE2
PE3
PE4
PE5
PE6
V
BAT
PC13
(6)
PC14
(6)
PC15
(6)
PF0
PF1
PF2
PF3
PF4
PF5
V
SS_5
V
DD_5
PF6
PF7
PF8
PF9
PF10
OSC_IN
OSC_OUT
NRST
PC0
PC1
PC2
PC3
V
SSA
TRACECK/ FSMC_A23
TRACED0/FSMC_A19
TRACED1/FSMC_A20
TRACED2/FSMC_A21
TRACED3/FSMC_A22
B2 C3
B3 D3
B4
E3
C2 B2 C6
A1
B1
A2 C8
A1 B8
PC13-TAMPER-
I/O
RTC
(5)
PC14-
OSC32_IN
(5)
I/O
TAMPER-RTC
OSC32_IN
OSC32_OUT
FSMC_A0
FSMC_A1
FSMC_A2
FSMC_A3
FSMC_A4
FSMC_A5
C1 B1 B7
C3
C4
D4
E2
E3
E4
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
PC15-
I/O
OSC32_OUT
(5)
PF0
PF1
PF2
PF3
PF4
PF5
V
SS_5
V
DD_5
PF6
PF7
PF8
PF9
PF10
OSC_IN
OSC_OUT
NRST
PC0
PC1
PC2
PC3
V
SSA
I/O FT
I/O FT
I/O FT
I/O FT
I/O FT
I/O FT
S
S
I/O
I/O
I/O
I/O
I/O
I
O
I/O
I/O
I/O
I/O
I/O
S
D2 C2
D3 D2
F3
F2
G3
G2
G1
-
-
-
-
-
10 16
11 17
-
-
-
-
-
18
19
20
21
22
ADC3_IN4/FSMC_NIORD
ADC3_IN5/FSMC_NREG
ADC3_IN6/FSMC_NIOWR
ADC3_IN7/FSMC_CD
ADC3_IN8/FSMC_INTR
D1 C1 D8
E1 D1 D7
F1
H1
H2
E1 C7
F1 E8
F2 F8
12 23
13 24
14 25
15 26
16 27
ADC123_IN10
ADC123_IN11
ADC123_IN12
ADC123_IN13
H3 E2 D6 10 17 28
H4
J1
F3
-
11 18 29
G1 E7 12 19 30
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Doc ID 14611 Rev 7
STMICROELECTRONICS [ STMICROELECTRONICS ]
