EFM32G222 Datasheet, PDF (49/68 Pages) Silicon Laboratories – Wake-up Interrupt Controller

QFP48 Pin#
and Name
...the world's most energy friendly microcontrollers
Pin Alternate Functionality / Description
Pin Name
Analog
Timers
Communication
Other
4
IOVDD_0
Digital IO power supply 0.
5
VSS
Ground.
6
PC0
ACMP0_CH0
PCNT0_S0IN #2
US1_TX #0
7
PC1
ACMP0_CH1
PCNT0_S1IN #2
US1_RX #0
8
PC2
ACMP0_CH2
9
PC3
ACMP0_CH3
10
PC4
ACMP0_CH4
LETIM0_OUT0 #3
PCNT1_S0IN #0
11
PB7
LFXTAL_P
US1_CLK #0
12
PB8
LFXTAL_N
US1_CS #0
13
PA8
TIM2_CC0 #0
14
PA9
TIM2_CC1 #0
15
PA10
TIM2_CC2 #0
Reset input, active low.
16
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.
17
PB11
DAC0_OUT0
LETIM0_OUT0 #1
18
VSS
Ground.
19
AVDD_1
Analog power supply 1.
20
PB13
HFXTAL_P
LEU0_TX #1
21
PB14
HFXTAL_N
LEU0_RX #1
22
IOVDD_3
Digital IO power supply 3.
23
AVDD_0
Analog power supply 0.
24
PD4
ADC0_CH4
LEU0_TX #0
25
PD5
ADC0_CH5
LEU0_RX #0
26
PD6
ADC0_CH6
LETIM0_OUT0 #0
I2C0_SDA #1
27
PD7
ADC0_CH7
LETIM0_OUT1 #0
I2C0_SCL #1
28
VDD_DREG
Power supply for on-chip voltage regulator.
29
DECOUPLE
Decouple output for on-chip voltage regulator. An external capacitance of size C_DECOUPLE is required at this pin.
30
PC8
ACMP1_CH0
TIM2_CC0 #2
US0_CS #2
31
PC9
ACMP1_CH1
TIM2_CC1 #2
US0_CLK #2
32
PC10
ACMP1_CH2
TIM2_CC2 #2
US0_RX #2
33
PC11
ACMP1_CH3
US0_TX #2
34
PC13
ACMP1_CH5
TIM0_CDTI0 #1/3
TIM1_CC0 #0
PCNT0_S0IN #0
35
PC14
ACMP1_CH6
TIM0_CDTI1 #1/3
TIM1_CC1 #0
PCNT0_S1IN #0
36
PC15
ACMP1_CH7
TIM0_CDTI2 #1/3
TIM1_CC2 #0
DBG_SWO #1
37
PF0
LETIM0_OUT0 #2
DBG_SWCLK #0/1
38
PF1
LETIM0_OUT1 #2
DBG_SWDIO #0/1
2015-05-22 - EFM32G222FXX - d0033_Rev1.90
49
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