Preliminary
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Table 4.2. Alternate functionality overview
Alternate
LOCATION
3
Functionality
ACMP0_CH0
ACMP0_CH1
ACMP0_O
0
1
2
4
5
6
Description
Analog comparator ACMP0, channel 0.
Analog comparator ACMP0, channel 1.
Analog comparator ACMP0, digital output.
Analog to digital converter ADC0, input channel number 6.
Analog to digital converter ADC0, input channel number 7.
Bootloader RX
PC0
PC1
PE13
PD6
PD7
PF1
PF0
PD6
ADC0_CH6
ADC0_CH7
BOOT_RX
BOOT_TX
Bootloader TX
CMU_CLK0
CMU_CLK1
PD7
Clock Management Unit, clock output number 0.
Clock Management Unit, clock output number 1.
Debug-interface Serial Wire clock input.
PE12
DBG_SWCLK
DBG_SWDIO
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.
Note that this function is enabled to pin out of reset, and has
a built-in pull up.
GPIO_EM4WU0
GPIO_EM4WU3
GPIO_EM4WU4
GPIO_EM4WU5
PA0
PF1
PF2
PE13
Pin can be used to wake the system up from EM4
Pin can be used to wake the system up from EM4
Pin can be used to wake the system up from EM4
Pin can be used to wake the system up from EM4
High Frequency Crystal negative pin. Also used as external
optional clock input pin.
HFXTAL_N
PB14
PB13
HFXTAL_P
I2C0_SCL
I2C0_SDA
IDAC0_OUT
LEU0_RX
High Frequency Crystal positive pin.
I2C0 Serial Clock Line input / output.
I2C0 Serial Data input / output.
IDAC0 output
PD7
PC1
PF1
PF0
PE13
PE12
PA0
PD6
PC0
PB11
PB14
PB13
PF1
PF0
PA0
PF2
LEUART0 Receive input.
LEUART0 Transmit output. Also used as receive input in half
duplex communication.
LEU0_TX
Low Frequency Crystal (typically 32.768 kHz) negative pin.
Also used as an optional external clock input pin.
LFXTAL_N
PB8
PB7
LFXTAL_P
PCNT0_S0IN
PCNT0_S1IN
PRS_CH0
PRS_CH1
PRS_CH2
PRS_CH3
TIM0_CC0
TIM0_CC1
TIM0_CC2
TIM1_CC0
TIM1_CC1
TIM1_CC2
Low Frequency Crystal (typically 32.768 kHz) positive pin.
Pulse Counter PCNT0 input number 0.
PC0
PD6
PD7
PC14
PA0
PC1
Pulse Counter PCNT0 input number 1.
PC14
PC15
Peripheral Reflex System PRS, channel 0.
Peripheral Reflex System PRS, channel 1.
PC0
PC1
PA0
Peripheral Reflex System PRS, channel 2.
Peripheral Reflex System PRS, channel 3.
PA0
PA0
PC0
PC1
PD6
PD7
PF0
PF1
PF2
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 1 Capture Compare input / output channel 0.
Timer 1 Capture Compare input / output channel 1.
Timer 1 Capture Compare input / output channel 2.
PB7
PB8
PB11
PC14
PC15
PE12
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2013-10-09 - EFM32ZG110FXX - d0064_Rev0.60
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