Pinouts and pin descriptions
STM32F103xC, STM32F103xD, STM32F103xE
Figure 5. STM32F103xC and STM32F103xE performance line LQFP144 pinout
PE2
PE3
PE4
PE5
PE6
1
2
3
4
5
6
7
8
108
107
106
105
104
103
102
101
100
99
98
97
96
95
94
93
92
91
90
89
88
87
86
85
84
83
82
81
80
79
78
77
76
75
74
73
V
V
NC
DD_2
SS_2
PA13
PA12
PA11
PA10
PA9
PA8
PC9
PC8
PC7
PC6
VBAT
PC13-TAMPER-RTC
PC14-OSC32_IN
PC15-OSC32_OUT
9
PF0
PF1
PF2
PF3
PF4
PF5
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
V
V
DD_9
SS_9
V
V
PG8
PG7
PG6
PG5
PG4
PG3
PG2
PD15
PD14
SS_5
LQFP144
DD_5
PF6
PF7
PF8
PF9
PF10
OSC_IN
OSC_OUT
NRST
PC0
V
V
DD_8
SS_8
PC1
PC2
PC3
PD13
PD12
PD11
PD10
PD9
V
V
V
V
SSA
REF-
PD8
REF+
PB15
PB14
PB13
PB12
DDA
PA0-WKUP
PA1
PA2
ai14667
26/130
Doc ID 14611 Rev 8
STMICROELECTRONICS [ ST ]
