EFM32G Data Sheet
Pin Definitions
BGA112 Pin# and
Name
Pin Alternate Functionality / Description
Pin # Pin Name
Analog
EBI
Timers
Communication
Other
E9
PE0
PE1
PE3
PCNT0_S0IN #1
PCNT0_S1IN #1
U0_TX #1
U0_RX #1
E10
E11
ACMP1_O #1
LCD_SEG
33
F1
F2
F3
F4
F8
PB1
PB2
PB3
PB4
TIM1_CC1 #2
TIM1_CC2 #2
LCD_SEG
34
LCD_SEG
20
PCNT1_S0IN #1
PCNT1_S1IN #1
US2_TX #1
US2_RX #1
LCD_SEG
21
VDD_DRE
G
Power supply for on-chip voltage regulator.
Ground for on-chip voltage regulator.
VSS_DRE
G
F9
F10
F11
PE2
ACMP0_O #1
DECOU-
PLE
Decouple output for on-chip voltage regulator. An external capacitance of size CDECOUPLE is required at this pin.
LCD_SEG
US2_CLK #1
22
G1
G2
PB5
LCD_SEG
US2_CS #1
23
PB6
VSS
G3
G4
G8
G9
Ground.
IOVDD_0 Digital IO power supply 0.
IOVDD_4 Digital IO power supply 4.
VSS
PC6
Ground.
ACMP0_C
H6
LEU1_TX #0
I2C0_SDA #2
G10
G11
H1
ACMP0_C
H7
LEU1_RX #0
I2C0_SCL #2
PC7
PC0
ACMP0_C
H0
PCNT0_S0IN #2
US1_TX #0
ACMP0_C
H2
H2
H3
H4
PC2
PD14
PA7
US2_TX #0
I2C0_SDA #3
LCD_SEG
35
LCD_SEG
36
H5
PA8
VSS
TIM2_CC0 #0
H6
H7
H8
Ground.
IOVDD_3 Digital IO power supply 3.
PD8
CMU_CLK1 #1
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