ST STM32F051R8T6 User Manual page 23

UM1525
Table 6.
Main
function
PB4
PB5
PB6
PB7
PB8
PB9
PB10
PB11
PB12
PB13
MCU pin description versus board function (page 4 of 7)
MCU pin
Alternate
functions
1_MISO / 1_MCK,
3_CH1,
TSC_G5_IO2,
EVENTOUT
1_MOSI / 1_SD,
1_SMBA,
16_BKIN,
3_CH2
1_SCL,
1_TX,
16_CH1N,
TSC_G5_IO3
1_SDA,
1_RX,
17_CH1N,
TSC_G5_IO4
1_SCL,
CEC,
16_CH1,
TSC_SYNC
1_SDA,
IR_EVENTOUT,
17_CH1,
EVENTOUT
2_SCL,
CEC,
2_CH3,
SYNC
2_SDA,
2_CH4,
G6_IO1,
EVENTOUT
2_NSS,
1_BKIN,
G6_IO2,
EVENTOUT
2_SCK,
1_CH1N,
G6_IO3
Doc ID 022910 Rev 2
Board function
56
57
58
59
61
62
29
30
33
34
Hardware and layout
10
9
8
7
4
3
30
31
32
32
23/41