EFM32JG1 Datasheet, PDF (45/94 Pages) Silicon Laboratories – The EFM32 Jade Gecko MCUs are the world’s most energyfriendly microcontrollers

EFM32JG1 Data Sheet
Pin Definitions
QFN48 Pin# and Name
Pin Alternate Functionality / Description
Pin
#
Pin Name
Analog
Timers
Communication
Other
BUSCY [ADC0:
TIM0_CC0 #8
33
PB13
APORT3YCH29
ACMP0:
APORT3YCH29
ACMP1:
APORT3YCH29 IDAC0:
APORT1YCH29]
BUSDX [ADC0:
APORT4XCH29
ACMP0:
APORT4XCH29
ACMP1:
TIM0_CC1 #7
TIM0_CC2 #6
TIM0_CDTI0 #5
TIM0_CDTI1 #4
TIM0_CDTI2 #3
TIM1_CC0 #8
TIM1_CC1 #7
TIM1_CC2 #6
TIM1_CC3 #5 LE-
TIM0_OUT0 #8 LE-
TIM0_OUT1 #7
PCNT0_S0IN #8
US0_TX #8 US0_RX #7
US0_CLK #6 US0_CS
#5 US0_CTS #4
US0_RTS #3 US1_TX
#8 US1_RX #7
US1_CLK #6 US1_CS
#5 US1_CTS #4
US1_RTS #3 LEU0_TX
#8 LEU0_RX #7
PRS_CH6 #8 PRS_CH7
#7 PRS_CH8 #6
PRS_CH9 #5 ACMP0_O
#8 ACMP1_O #8
DBG_SWO #1
GPIO_EM4WU9
I2C0_SDA #8 I2C0_SCL
#7
APORT4XCH29]
PCNT0_S1IN #7
34
AVDD_0
Analog power supply 0.
LFXTAL_N
TIM0_CC0 #9
35
PB14
BUSCX [ADC0:
APORT3XCH30
ACMP0:
APORT3XCH30
ACMP1:
APORT3XCH30 IDAC0:
APORT1XCH30]
BUSDY [ADC0:
APORT4YCH30
ACMP0:
APORT4YCH30
TIM0_CC1 #8
TIM0_CC2 #7
TIM0_CDTI0 #6
TIM0_CDTI1 #5
TIM0_CDTI2 #4
TIM1_CC0 #9
TIM1_CC1 #8
TIM1_CC2 #7
TIM1_CC3 #6 LE-
TIM0_OUT0 #9 LE-
TIM0_OUT1 #8
PCNT0_S0IN #9
US0_TX #9 US0_RX #8
US0_CLK #7 US0_CS
#6 US0_CTS #5
US0_RTS #4 US1_TX
CMU_CLK1 #1
#9 US1_RX #8
PRS_CH6 #9 PRS_CH7
US1_CLK #7 US1_CS
#8 PRS_CH8 #7
#6 US1_CTS #5
PRS_CH9 #6 ACMP0_O
US1_RTS #4 LEU0_TX
#9 ACMP1_O #9
#9 LEU0_RX #8
I2C0_SDA #9 I2C0_SCL
#8
ACMP1:
PCNT0_S1IN #8
APORT4YCH30]
LFXTAL_P
TIM0_CC0 #10
36
PB15
BUSCY [ADC0:
APORT3YCH31
ACMP0:
APORT3YCH31
ACMP1:
APORT3YCH31 IDAC0:
APORT1YCH31]
BUSDX [ADC0:
APORT4XCH31
ACMP0:
APORT4XCH31
TIM0_CC1 #9
TIM0_CC2 #8
TIM0_CDTI0 #7
TIM0_CDTI1 #6
TIM0_CDTI2 #5
TIM1_CC0 #10
TIM1_CC1 #9
TIM1_CC2 #8
TIM1_CC3 #7 LE-
TIM0_OUT0 #10 LE-
TIM0_OUT1 #9
PCNT0_S0IN #10
US0_TX #10 US0_RX
#9 US0_CLK #8
US0_CS #7 US0_CTS
#6 US0_RTS #5
US1_TX #10 US1_RX
#9 US1_CLK #8
US1_CS #7 US1_CTS
#6 US1_RTS #5
LEU0_TX #10 LEU0_RX
#9 I2C0_SDA #10
I2C0_SCL #9
CMU_CLK0 #1
PRS_CH6 #10
PRS_CH7 #9 PRS_CH8
#8 PRS_CH9 #7
ACMP0_O #10
ACMP1_O #10
ACMP1:
PCNT0_S1IN #9
APORT4XCH31]
37
VREGVSS
Voltage regulator VSS
38
VREGSW
DCDC regulator switching node
39
VREGVDD
Voltage regulator VDD input
40
DVDD
Digital power supply.
41
DECOUPLE
Decouple output for on-chip voltage regulator. An external capacitance of size C_DECOUPLE is required at
this pin.
42
IOVDD
Digital IO power supply.
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Preliminary Rev. 0.31 | 44