Extension Connectors; Table 6. Mcu Pin Description Versus Board Function - ST STM32F051R8T6 User Manual

Hardware and layout
4.9

Extension connectors

The male headers P1 and P2 can connect the STM32F0DISCOVERY to a standard
prototyping/wrapping board. STM32F051R8T6 GPI/Os are available on these connectors.
P1 and P2 can also be probed by an oscilloscope, logical analyzer or voltmeter.
Table 6.
Main
function
BOOT0
NRST
PA0
PA1
PA2
PA3
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MCU pin description versus board function (page 1 of 7)
MCU pin
Alternate
functions
BOOT0
NRST
2_CTS,
IN0,
2_CH1_ETR,
1_INM6,
1_OUT,
TSC_G1_IO1,
RTC_TAMP2,
WKUP1
2_RTS,
IN1,
2_CH2,
1_INP,
TSC_G1_IO2,
EVENTOUT
2_TX,
IN2,
2_CH3,
15_CH1,
2_INM6,
2_OUT,
TSC_G1_IO3
2_RX,
IN3,
2_CH4,
15_CH2,
2_INP,
TSC_G1_IO4,
Doc ID 022910 Rev 2
Board function
60
7
14
15
16
17
UM1525
6
5 10
15
16
17
18