EFM32TG842 Datasheet, PDF (47/69 Pages) Silicon Laboratories – Configurable peripheral I/O locations

QFP64 Pin#
and Name
...the world's most energy friendly microcontrollers
Pin Alternate Functionality / Description
Pin Name
Analog
Timers
Communication
Other
3
PA2
LCD_SEG15
TIM0_CC2 #0/1
CMU_CLK0 #0
4
PA3
LCD_SEG16
LES_ALTEX2 #0
5
PA4
LCD_SEG17
LES_ALTEX3 #0
6
PA5
LCD_SEG18
LES_ALTEX4 #0
7
IOVDD_0
Digital IO power supply 0.
8
VSS
Ground.
9
PB3
LCD_SEG20/
LCD_COM4
10
PB4
LCD_SEG21/
LCD_COM5
11
PB5
LCD_SEG22/
LCD_COM6
12
PB6
LCD_SEG23/
LCD_COM7
13
PC4
ACMP0_CH4
DAC0_P0 /
OPAMP_P0
LETIM0_OUT0 #3
LES_CH4 #0
14
PC5
ACMP0_CH5
DAC0_N0 /
OPAMP_N0
LETIM0_OUT1 #3
LES_CH5 #0
15
PB7
LFXTAL_P
TIM1_CC0 #3
US0_TX #4
US1_CLK #0
16
PB8
LFXTAL_N
TIM1_CC1 #3
US0_RX #4
US1_CS #0
17
PA12
LCD_BCAP_P
18
PA13
LCD_BCAP_N
19
PA14
LCD_BEXT
Reset input, active low.
20
RESETn
To apply an external reset source to this pin, it is required to only drive this pin low during reset, and let the internal pull-up
ensure that reset is released.
21
PB11
DAC0_OUT0 /
OPAMP_OUT0
TIM1_CC2 #3
LETIM0_OUT0 #1
22
VSS
Ground.
23
AVDD_1
Analog power supply 1.
24
PB13
HFXTAL_P
US0_CLK #4/5
LEU0_TX #1
25
PB14
HFXTAL_N
US0_CS #4/5
LEU0_RX #1
26
IOVDD_3
Digital IO power supply 3.
27
AVDD_0
Analog power supply 0.
28
PD0
ADC0_CH0
DAC0_OUT0ALT #4/
OPAMP_OUT0ALT
OPAMP_OUT2 #1
US1_TX #1
29
PD1
ADC0_CH1
DAC0_OUT1ALT #4/
OPAMP_OUT1ALT
TIM0_CC0 #3
US1_RX #1
30
PD2
ADC0_CH2
TIM0_CC1 #3
US1_CLK #1
31
PD3
ADC0_CH3
OPAMP_N2
TIM0_CC2 #3
US1_CS #1
2015-03-06 - EFM32TG842FXX - d0072_Rev1.40
47
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