EFM32TG222 Datasheet, PDF (46/66 Pages) Silicon Laboratories – Configurable peripheral I/O locations

QFP48 Pin#
and Name
...the world's most energy friendly microcontrollers
Pin Alternate Functionality / Description
Pin Name
Analog
Timers
Communication
Other
3
PA2
TIM0_CC2 #0/1
CMU_CLK0 #0
4
IOVDD_0
Digital IO power supply 0.
5
VSS
Ground.
6
PC0
ACMP0_CH0
DAC0_OUT0ALT #0/
OPAMP_OUT0ALT
TIM0_CC1 #4
PCNT0_S0IN #2
US0_TX #5
US1_TX #0
I2C0_SDA #4
LES_CH0 #0
PRS_CH2 #0
7
PC1
ACMP0_CH1
DAC0_OUT0ALT #1/
OPAMP_OUT0ALT
TIM0_CC2 #4
PCNT0_S1IN #2
US0_RX #5
US1_RX #0
I2C0_SCL #4
LES_CH1 #0
PRS_CH3 #0
8
PC2
ACMP0_CH2
DAC0_OUT0ALT #2/
OPAMP_OUT0ALT
LES_CH2 #0
9
PC3
ACMP0_CH3
DAC0_OUT0ALT #3/
OPAMP_OUT0ALT
LES_CH3 #0
10
PC4
ACMP0_CH4
DAC0_P0 /
OPAMP_P0
LETIM0_OUT0 #3
LES_CH4 #0
11
PB7
LFXTAL_P
TIM1_CC0 #3
US0_TX #4
US1_CLK #0
12
PB8
LFXTAL_N
TIM1_CC1 #3
US0_RX #4
US1_CS #0
13
PA8
14
PA9
15
PA10
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 /
OPAMP_OUT0
TIM1_CC2 #3
LETIM0_OUT0 #1
18
VSS
Ground.
19
AVDD_1
Analog power supply 1.
20
PB13
HFXTAL_P
US0_CLK #4/5
LEU0_TX #1
21
PB14
HFXTAL_N
US0_CS #4/5
LEU0_RX #1
22
IOVDD_3
Digital IO power supply 3.
23
AVDD_0
Analog power supply 0.
24
PD4
ADC0_CH4
OPAMP_P2
LEU0_TX #0
25
PD5
ADC0_CH5
OPAMP_OUT2 #0
LEU0_RX #0
26
PD6
ADC0_CH6
DAC0_P1 /
OPAMP_P1
TIM1_CC0 #4
LETIM0_OUT0 #0
PCNT0_S0IN #3
US1_RX #2
I2C0_SDA #1
LES_ALTEX0 #0
ACMP0_O #2
27
PD7
ADC0_CH7
DAC0_N1 /
OPAMP_N1
TIM1_CC1 #4
LETIM0_OUT1 #0
PCNT0_S1IN #3
US1_TX #2
I2C0_SCL #1
CMU_CLK0 #2
LES_ALTEX1 #0
ACMP1_O #2
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
US0_CS #2
LES_CH8 #0
2015-03-06 - EFM32TG222FXX - d0051_Rev1.40
46
www.silabs.com