STM32G081B-EVAL IO Assignment
UM2403
72/78
UM2403 Rev 1
Appendix B
STM32G081B-EVAL IO Assignment
Table 40. STM32G081B-EVAL IO Assignment
Pin No.
Pin Name
IO Assignment on mother
board
IO Assignment on
legacy daughterboard
IO Assignment on UCPD
daughterboard
1
PC11
VCP_USART_3_RX
-
-
2
PC12
GPIO_LCD / SD_MOSI_DIR
-
-
3
PC13
KEY_TAMP_IN1, RTC_TS,
RTC_OUT1, WKUP2
-
-
4
PC14 -
OSC32_IN
OSC32_IN
-
-
5
PC15 -
OSC32_OUT
OSC32_OUT
-
-
6
PF3 - VBAT
VBAT
-
-
7
PF4 - VREF+
VREF+
-
-
8
VDD_1
VDD
-
-
9
VSS_1
VSS
-
-
10
PF0 - OSC_IN
OSC_IN
-
-
11
PF1 - OSC_OUT OSC_OUT
-
-
12
PF2 - NRST
NRST, (WKUP8)
-
-
13
PC0
GPIO_EXT_RST
-
-
14
PC1
MC_IO_(PFC_sync1)
-
GPIO_9V_EN_LPTIM1_OU
T
15
PC2
GPIO_JOY_UP
-
-
16
PC3
GPIO_JOY_DOWN
-
-
17
PA0
JOY_SEL_TAMP_IN2,
WKUP1
-
-
18
PA1
MC_AIN1_COMP_1_INP
(Bus voltage)
LDR_OUT_COMP_1_INP
_ADC_IN1
GPIO_DP1_DET
19
PA2
MC_ADC_IN2(CurrentA)
SMART_2_TX
TYPE-C_1_FRSTX
20
PA3
MC_ADC_IN3(Heatsink
temp)
GPIO_SMART_1V8
TYPE-C_2_V_ADC_IN3
21
PA4
AUDIO_OUT_DAC1_OUT1 -
-
22
PA5
AUDIO_OUT_DAC1_OUT2 -
-
23
PA6
AUDIO_IN_ADC_IN6 /
MC_ADC_IN6(CurrentB)
-
-