Appendix A
STM32G0C1E-EV I/O Assignment
Table 47.
STM32G0C1E-EV I/O assignment
Pin
number
Pin name
I/O assignment on mother
board
I/O assignment on legacy
daughterboard
I/O assignment on UCPD
daughterboard
1
PB9
MC_IO_(NTC_bypass)
IR_OUT
GPIO_VCONN_EN_1_2
2
PC10
VCP_USART_3_TX
-
-
3
PC11
VCP_USART_3_RX
-
-
4
PE4
FREE
-
-
5
PE5
FREE
-
-
6
PE6
FREE
-
-
7
PC12
GPIO_LCD / SD_MOSI_DIR
-
-
8
PC13
KEY_TAMP_IN1, RTC_TS,
RTC_OUT1, WKUP2
-
-
9
PC14-OSC32_IN
OSC32_IN
-
-
10
PC15-
OSC32_OUT
OSC32_OUT
-
-
11
VBAT
VBAT
-
-
12
VREFP
VREFP
-
-
13
VDD_1
VDD
-
-
14
VSS_1
GND
-
-
15
PF0-OSC_IN
OSC_IN
-
-
16
PF1-OSC_OUT
OSC_OUT
-
-
17
PF2-NRST
NRST, (WKUP8)
-
-
18
PF3
FREE
-
-
19
PF4
FREE
-
-
20
PF5
FREE
-
-
21
PC0
GPIO_EXT_RST
-
-
22
PC1
MC_IO_(PFC_sync1)
-
GPIO_9V_EN_LPTIM1_OUT
23
PC2
GPIO_JOY_UP
-
-
24
PC3
GPIO_JOY_DOWN
-
-
25
PA0
JOY_SEL_TAMP_IN2,
WKUP1
-
-
26
PA1
MC_AIN1_COMP_1_INP(Bus
voltage)
LDR_OUT_COMP_1_INP_A
DC_IN1
GPIO_15V_EN_DCDC_EN
27
PA2
MC_ADC_IN2(CurrentA)
SMART_2_TX
TYPE-C_1_FRSTX
28
PA3
MC_ADC_IN3(Heatsink
temp)
GPIO_SMART_1V8
TYPE-C_2_V_ADC_IN3
29
PA4
AUDIO_OUT_DAC1_OUT1
-
-
30
PA5
AUDIO_OUT_DAC1_OUT2
-
-
31
PA6
AUDIO_IN_ADC_IN6 /
MC_ADC_IN6(CurrentB)
-
-
32
PA7
LCD/SD1_MOSI
-
-
33
PC4
USART_1_TX
-
-
UM2783
STM32G0C1E-EV I/O Assignment
UM2783
-
Rev 1
page 46/59