EFM32G Data Sheet
Pin Definitions
Alternate
LOCATION
Functionality
DAC0_OUT0
DAC0_OUT1
0
1
2
3
Description
PB11
Digital to Analog Converter DAC0 output channel number 0.
Digital to Analog Converter DAC0 output channel number 1.
Debug-interface Serial Wire clock input.
PB12
DBG_SWCLK
DBG_SWDIO
PF0
PF0
PF1
Note that this function is enabled to pin out of reset, and has a
built-in pull down.
Debug-interface Serial Wire data input / output.
PF1
Note that this function is enabled to pin out of reset, and has a
built-in pull up.
Debug-interface Serial Wire viewer Output.
DBG_SWO
HFXTAL_N
PF2
PC15
Note that this function is not enabled after reset, and must be
enabled by software to be used.
High Frequency Crystal negative pin. Also used as external
optional clock input pin.
PB14
HFXTAL_P
I2C0_SCL
PB13
PA1
PA0
PD6
PD7
PD5
High Frequency Crystal positive pin.
I2C0 Serial Clock Line input / output.
I2C0 Serial Data input / output.
PD7
PC7
PC6
PF0
PF1
I2C0_SDA
PD6
LETIM0_OUT0
LETIM0_OUT1
LEU0_RX
PB11
PB12
PB14
PC4
PC5
Low Energy Timer LETIM0, output channel 0.
Low Energy Timer LETIM0, output channel 1.
LEUART0 Receive input.
PE15
PE14
LEUART0 Transmit output. Also used as receive input in half
duplex communication.
LEU0_TX
LEU1_RX
LEU1_TX
PD4
PC7
PC6
PB13
PA6
PA5
LEUART1 Receive input.
LEUART1 Transmit output. Also used as receive input in half
duplex communication.
Low Frequency Crystal (typically 32.768 kHz) negative pin. Al-
so used as an optional external clock input pin.
LFXTAL_N
PB8
LFXTAL_P
PB7
PC13
PC14
PC4
PC5
PD0
PD1
PA0
PA1
PA2
PA3
PA4
PA5
Low Frequency Crystal (typically 32.768 kHz) positive pin.
Pulse Counter PCNT0 input number 0.
PCNT0_S0IN
PCNT0_S1IN
PCNT1_S0IN
PCNT1_S1IN
PCNT2_S0IN
PCNT2_S1IN
TIM0_CC0
PC0
PC1
Pulse Counter PCNT0 input number 1.
Pulse Counter PCNT1 input number 0.
Pulse Counter PCNT1 input number 1.
PE8
Pulse Counter PCNT2 input number 0.
PE9
Pulse Counter PCNT2 input number 1.
PA0
PD1
PD2
PD3
Timer 0 Capture Compare input / output channel 0.
Timer 0 Capture Compare input / output channel 1.
Timer 0 Capture Compare input / output channel 2.
Timer 0 Complimentary Deat Time Insertion channel 0.
Timer 0 Complimentary Deat Time Insertion channel 1.
Timer 0 Complimentary Deat Time Insertion channel 2.
TIM0_CC1
PA1
TIM0_CC2
PA2
TIM0_CDTI0
TIM0_CDTI1
TIM0_CDTI2
PC13
PC14
PC15
PF3
PF4
PF5
PC13
PC14
PC15
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