EFM32G842 Datasheet, PDF (52/70 Pages) Silicon Laboratories – Wake-up Interrupt Controller

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Table 4.2. Alternate functionality overview
Alternate
Functionality
ACMP0_CH4
ACMP0_CH5
ACMP0_CH6
ACMP0_CH7
ACMP0_O
ACMP1_CH4
ACMP1_CH5
ACMP1_CH6
ACMP1_CH7
ACMP1_O
ADC0_CH0
ADC0_CH1
ADC0_CH2
ADC0_CH3
ADC0_CH4
ADC0_CH5
ADC0_CH6
ADC0_CH7
BOOT_RX
BOOT_TX
CMU_CLK0
CMU_CLK1
DAC0_OUT0
DBG_SWCLK
0
PC4
PC5
PC6
PC7
PE13
PC12
PC13
PC14
PC15
PF2
PD0
PD1
PD2
PD3
PD4
PD5
PD6
PD7
PE11
PE10
PA2
PA1
PB11
LOCATION
1
2
PC12
PD8
PF0
PF0
DBG_SWDIO
PF1
PF1
DBG_SWO
HFXTAL_N
HFXTAL_P
I2C0_SCL
I2C0_SDA
LCD_BCAP_N
LCD_BCAP_P
LCD_BEXT
PF2
PC15
PB14
PB13
PA1
PD7
PC7
PA0
PD6
PC6
PA13
PA12
PA14
3
Description
Analog comparator ACMP0, channel 4.
Analog comparator ACMP0, channel 5.
Analog comparator ACMP0, channel 6.
Analog comparator ACMP0, channel 7.
Analog comparator ACMP0, digital output.
Analog comparator ACMP1, channel 4.
Analog comparator ACMP1, channel 5.
Analog comparator ACMP1, channel 6.
Analog comparator ACMP1, channel 7.
Analog comparator ACMP1, digital output.
Analog to digital converter ADC0, input channel number 0.
Analog to digital converter ADC0, input channel number 1.
Analog to digital converter ADC0, input channel number 2.
Analog to digital converter ADC0, input channel number 3.
Analog to digital converter ADC0, input channel number 4.
Analog to digital converter ADC0, input channel number 5.
Analog to digital converter ADC0, input channel number 6.
Analog to digital converter ADC0, input channel number 7.
Bootloader RX.
Bootloader TX.
Clock Management Unit, clock output number 0.
Clock Management Unit, clock output number 1.
Digital to Analog Converter DAC0 output channel number 0.
Debug-interface Serial Wire clock input.
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.
Debug-interface Serial Wire viewer Output.
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 in-
put pin.
High Frequency Crystal positive pin.
I2C0 Serial Clock Line input / output.
I2C0 Serial Data input / output.
LCD voltage booster (optional), boost capacitor, negative pin. If using the
LCD voltage booster, connect a 22 nF capacitor between LCD_BCAP_N and
LCD_BCAP_P.
LCD voltage booster (optional), boost capacitor, positive pin. If using the
LCD voltage booster, connect a 22 nF capacitor between LCD_BCAP_N and
LCD_BCAP_P.
LCD voltage booster (optional), boost output. If using the LCD voltage boost-
er, connect a 1 uF capacitor between this pin and VSS.
2015-05-22 - EFM32G842FXX - d0070_Rev1.90
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