ST STM32F051R8T6 User Manual page 25

UM1525
Table 6.
Main
function
PC14-
OSC32_
IN
PC15-
OSC32_
OUT
PD2
PF0-
OSC_IN
PF1-
OSC_
OUT
PF4
PF5
PF6
PF7
VBAT
VDD_1
VDD_2
VDDA
VSS_1
VSS_2
VSSA
MCU pin description versus board function (page 6 of 7)
MCU pin
Alternate
functions
OSC32_IN
OSC32_OUT
3_ETR
OSC_IN
OSC_OUT
EVENTOUT
EVENTOUT
2_SCL
2_SDA
VBAT
Doc ID 022910 Rev 2
Board function
3
4
54
5
6
18
19
47
48
1
64
32
13
63
31
12
Hardware and layout
5
6
12
7
8
19
20
19
18
3
5V 1
3V 1
5
2 2
3
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