EFR32FG12 Datasheet, PDF (142/183 Pages) –

GPIO Name
PI3
PF5
PF4
EFR32FG12 Flex Gecko Proprietary Protocol SoC Family Data Sheet
Pin Definitions
Analog
BUSADC0Y BU-
SADC0X
BUSAY BUSBX
BUSBY BUSAX
Pin Alternate Functionality / Description
Timers
Communication
Radio
PCNT1_S0IN #5
PCNT1_S1IN #4
PCNT2_S0IN #5
PCNT2_S1IN #4
US2_TX #8 US2_RX
#7 US2_CLK #6
US2_CS #5
US2_CTS #4
US2_RTS #3
US3_TX #9 US3_RX
#8 US3_CLK #7
US3_CS #6
US3_CTS #5
US3_RTS #4
I2C1_SDA #5
I2C1_SCL #4
TIM0_CC0 #29
TIM0_CC1 #28
TIM0_CC2 #27
TIM0_CDTI0 #26
TIM0_CDTI1 #25
TIM0_CDTI2 #24
TIM1_CC0 #29
TIM1_CC1 #28
TIM1_CC2 #27
TIM1_CC3 #26
WTIM1_CC0 #29
WTIM1_CC1 #27
WTIM1_CC2 #25
WTIM1_CC3 #23 LE-
TIM0_OUT0 #29 LE-
TIM0_OUT1 #28
PCNT0_S0IN #29
PCNT0_S1IN #28
US0_TX #29
US0_RX #28
US0_CLK #27
US0_CS #26
US0_CTS #25
US0_RTS #24
US1_TX #29
US1_RX #28
US1_CLK #27
US1_CS #26
US1_CTS #25
US1_RTS #24
US2_TX #18
US2_RX #17
US2_CLK #16
US2_CS #15
US2_CTS #14
US2_RTS #13
LEU0_TX #29
LEU0_RX #28
I2C0_SDA #29
I2C0_SCL #28
FRC_DCLK #29
FRC_DOUT #28
FRC_DFRAME #27
MODEM_DCLK #29
MODEM_DIN #28
MODEM_DOUT #27
MODEM_ANT0 #26
MODEM_ANT1 #25
TIM0_CC0 #28
TIM0_CC1 #27
TIM0_CC2 #26
TIM0_CDTI0 #25
TIM0_CDTI1 #24
TIM0_CDTI2 #23
TIM1_CC0 #28
TIM1_CC1 #27
TIM1_CC2 #26
TIM1_CC3 #25
WTIM1_CC0 #28
WTIM1_CC1 #26
WTIM1_CC2 #24
WTIM1_CC3 #22 LE-
TIM0_OUT0 #28 LE-
TIM0_OUT1 #27
PCNT0_S0IN #28
PCNT0_S1IN #27
US0_TX #28
US0_RX #27
US0_CLK #26
US0_CS #25
US0_CTS #24
US0_RTS #23
US1_TX #28
US1_RX #27
US1_CLK #26
US1_CS #25
US1_CTS #24
US1_RTS #23
US2_TX #17
US2_RX #16
US2_CLK #15
US2_CS #14
US2_CTS #13
US2_RTS #12
LEU0_TX #28
LEU0_RX #27
I2C0_SDA #28
I2C0_SCL #27
FRC_DCLK #28
FRC_DOUT #27
FRC_DFRAME #26
MODEM_DCLK #28
MODEM_DIN #27
MODEM_DOUT #26
MODEM_ANT0 #25
MODEM_ANT1 #24
Other
LES_ALTEX7
ETM_TD0 #2
PRS_CH0 #5
PRS_CH1 #4
PRS_CH2 #3
PRS_CH3 #2
ACMP0_O #29
ACMP1_O #29
PRS_CH0 #4
PRS_CH1 #3
PRS_CH2 #2
PRS_CH3 #1
ACMP0_O #28
ACMP1_O #28
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