EFM32WG990 Datasheet, PDF (64/80 Pages) List of Unclassifed Manufacturers – The EFM32 MCUs are the world’s most energy friendly microcontrollers.

Alternate
Functionality
0
LCD_SEG37
PA9
LCD_SEG38
PA10
LCD_SEG39
LES_ALTEX0
LES_ALTEX1
LES_ALTEX2
LES_ALTEX3
LES_ALTEX4
LES_ALTEX5
LES_ALTEX6
LES_ALTEX7
LES_CH0
LES_CH1
LES_CH2
LES_CH3
LES_CH4
LES_CH5
LES_CH6
LES_CH7
LES_CH8
LES_CH9
LES_CH10
LES_CH11
LETIM0_OUT0
LETIM0_OUT1
LEU0_RX
LEU0_TX
LEU1_RX
LEU1_TX
PA11
PD6
PD7
PA3
PA4
PA5
PE11
PE12
PE13
PC0
PC1
PC2
PC3
PC4
PC5
PC6
PC7
PC8
PC9
PC10
PC11
PD6
PD7
PD5
PD4
PC7
PC6
LFXTAL_N
PB8
LFXTAL_P
PB7
PCNT0_S0IN
PCNT0_S1IN
PCNT1_S0IN
PC4
PCNT1_S1IN
PC5
PCNT2_S0IN
PD0
PCNT2_S1IN
PD1
PRS_CH0
PA0
Preliminary
...the world's most energy friendly microcontrollers
LOCATION
1
2
3
4
PB11
PB12
PB14
PB13
PA6
PA5
PF0 PC4
PF1 PC5
PE15 PF1 PA0
PE14 PF0 PF2
PE0
PC0 PD6
PE1
PC1 PD7
PB3
PB4
PE8
PE9
5
6
Description
LCD segment line 37. Segments 36, 37, 38 and 39 are
controlled by SEGEN9.
LCD segment line 38. Segments 36, 37, 38 and 39 are
controlled by SEGEN9.
LCD segment line 39. Segments 36, 37, 38 and 39 are
controlled by SEGEN9.
LESENSE alternate exite output 0.
LESENSE alternate exite output 1.
LESENSE alternate exite output 2.
LESENSE alternate exite output 3.
LESENSE alternate exite output 4.
LESENSE alternate exite output 5.
LESENSE alternate exite output 6.
LESENSE alternate exite output 7.
LESENSE channel 0.
LESENSE channel 1.
LESENSE channel 2.
LESENSE channel 3.
LESENSE channel 4.
LESENSE channel 5.
LESENSE channel 6.
LESENSE channel 7.
LESENSE channel 8.
LESENSE channel 9.
LESENSE channel 10.
LESENSE channel 11.
Low Energy Timer LETIM0, output channel 0.
Low Energy Timer LETIM0, output channel 1.
LEUART0 Receive input.
LEUART0 Transmit output. Also used as receive input in
half duplex communication.
LEUART1 Receive input.
LEUART1 Transmit output. Also used as receive input in
half duplex communication.
Low Frequency Crystal (typically 32.768 kHz) negative
pin. Also used as an optional external clock input pin.
Low Frequency Crystal (typically 32.768 kHz) positive pin.
Pulse Counter PCNT0 input number 0.
Pulse Counter PCNT0 input number 1.
Pulse Counter PCNT1 input number 0.
Pulse Counter PCNT1 input number 1.
Pulse Counter PCNT2 input number 0.
Pulse Counter PCNT2 input number 1.
Peripheral Reflex System PRS, channel 0.
2013-05-06 - EFM32WG990FXX - d0203_Rev1.10
64
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