CD00237391 Datasheet, PDF (38/177 Pages) STMicroelectronics – ARM-based 32-bit MCU, 150DMIPs, up to 1 MB Flash/128+4KB RAM

Pinouts and pin description
Figure 12. STM32F20x LQFP176 pinout
PE2 1
PE3 2
PE4 3
PE5 4
PE6 5
VBAT 6
PI8-RTC_AF2 7
PC13-RTC_AF1 8
PC14-OSC32_IN 9
PC15-OSC32_OUT 10
PI9 11
PI10 12
PI11 13
V_{SS_13} 14
V_{DD_13} 15
PF0 16
PF1 17
PF2 18
PF3 19
PF4 20
PF5 21
V_{SS_5} 22
V_{DD_5} 23
PF6 24
PF7 25
PF8 26
PF9 27
PF10 28
PH0-OSC_IN 29
PH1-OSC_OUT 30
NRST 31
PC0 32
PC1 33
PC2 ³⁴
PC3 ³⁵
V_{DD_12} 36
V_SSA 37
V_REF+ 38
V_DDA 39
PA0-WKUP 40
PA1 41
PA2 42
PH2 43
PH3 44
LQFP176
1. RFU means “reserved for future use”. This pin can be tied to V_DD,V_SS or left unconnected.
STM32F20xxx
132 PI1
131 PI0
130 PH15
129 PH14
128 PH13
127 V_{DD_2}
126 V_{SS_2}
125 V_{CAP_2}
124 PA13
123 PA12
122 PA11
121 PA10
120 PA9
119 _PA8
118 _PC9
117 _PC8
116 _PC7
115 _PC6
114 V_{DD_9}
113 V_{SS_9}
112 PG8
111 _PG7
110 _PG6
109 _PG5
108 _PG4
107 PG3
106 PG2
105 PD15
104 PD14
103 V_{DD_8}
102 V_{SS_8}
101 PD13
100 PD12
99 PD11
98 PD10
97 PD9
96 ^PD8
95 ^PB15
94 PB14
93 PB13
92 PB12
91 ^VDD_14
90 ^VSS_14
89 PH12
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Doc ID 15818 Rev 9