EFM32WG842 Datasheet, PDF (61/78 Pages) Silicon Laboratories – Operation from backup battery when main power drains out

...the world's most energy friendly microcontrollers
Alternate
LOCATION
Functionality 0
1
2
3
4
5
6
Description
LCD_SEG20/
LCD_COM4
PB3
LCD segment line 20. Segments 20, 21, 22 and 23 are con-
trolled by SEGEN5. This pin may also be used as LCD COM
line 4
LCD_SEG21/
LCD_COM5
PB4
LCD segment line 21. Segments 20, 21, 22 and 23 are con-
trolled by SEGEN5. This pin may also be used as LCD COM
line 5
LCD_SEG22/
LCD_COM6
PB5
LCD segment line 22. Segments 20, 21, 22 and 23 are con-
trolled by SEGEN5. This pin may also be used as LCD COM
line 6
LCD_SEG23/
LCD_COM7
PB6
LCD segment line 23. Segments 20, 21, 22 and 23 are con-
trolled by SEGEN5. This pin may also be used as LCD COM
line 7
LES_ALTEX0
PD6
LESENSE alternate exite output 0.
LES_ALTEX1
PD7
LESENSE alternate exite output 1.
LES_ALTEX2
PA3
LESENSE alternate exite output 2.
LES_ALTEX3
PA4
LESENSE alternate exite output 3.
LES_ALTEX4
PA5
LESENSE alternate exite output 4.
LES_ALTEX5
PE11
LESENSE alternate exite output 5.
LES_ALTEX6
PE12
LESENSE alternate exite output 6.
LES_ALTEX7
PE13
LESENSE alternate exite output 7.
LES_CH4
PC4
LESENSE channel 4.
LES_CH5
PC5
LESENSE channel 5.
LES_CH6
PC6
LESENSE channel 6.
LES_CH7
PC7
LESENSE channel 7.
LES_CH12
PC12
LESENSE channel 12.
LES_CH13
PC13
LESENSE channel 13.
LES_CH14
PC14
LESENSE channel 14.
LES_CH15
PC15
LESENSE channel 15.
LETIM0_OUT0 PD6
PB11 PF0 PC4
Low Energy Timer LETIM0, output channel 0.
LETIM0_OUT1 PD7
PF1 PC5
Low Energy Timer LETIM0, output channel 1.
LEU0_RX
PD5
PB14 PE15 PF1
PA0
LEUART0 Receive input.
LEU0_TX
PD4
PB13 PE14 PF0
PF2
LEUART0 Transmit output. Also used as receive input in half
duplex communication.
LEU1_RX
PC7
LEUART1 Receive input.
LEU1_TX
PC6
PA5
LEUART1 Transmit output. Also used as receive input in half
duplex communication.
LFXTAL_N
PB8
Low Frequency Crystal (typically 32.768 kHz) negative pin.
Also used as an optional external clock input pin.
LFXTAL_P
PB7
Low Frequency Crystal (typically 32.768 kHz) positive pin.
PCNT0_S0IN
PC13
PD6
Pulse Counter PCNT0 input number 0.
PCNT0_S1IN
PC14
PD7
Pulse Counter PCNT0 input number 1.
PCNT1_S0IN
PC4
PB3
Pulse Counter PCNT1 input number 0.
PCNT1_S1IN
PC5
PB4
Pulse Counter PCNT1 input number 1.
PCNT2_S0IN
PD0
PE8
Pulse Counter PCNT2 input number 0.
PCNT2_S1IN
PD1
PE9
Pulse Counter PCNT2 input number 1.
PRS_CH0
PA0
PF3
Peripheral Reflex System PRS, channel 0.
PRS_CH1
PA1
PF4
Peripheral Reflex System PRS, channel 1.
2014-06-13 - EFM32WG842FXX - d0196_Rev1.40
61
www.silabs.com