EFM32WG332 Datasheet, PDF (58/76 Pages) Silicon Laboratories – Operation from backup battery when main power drains out

Alternate
Functionality
0
ADC0_CH4
PD4
ADC0_CH5
PD5
ADC0_CH6
PD6
ADC0_CH7
PD7
BOOT_RX
PE11
BOOT_TX
PE10
BU_VIN
PD8
CMU_CLK0
PA2
CMU_CLK1
PA1
DAC0_N0 /
OPAMP_N0
PC5
DAC0_N1 /
OPAMP_N1
PD7
OPAMP_N2
PD3
DAC0_OUT0 /
OPAMP_OUT0
PB11
DAC0_OUT0ALT /
OPAMP_OUT0ALT
PC0
DAC0_OUT1ALT /
OPAMP_OUT1ALT
OPAMP_OUT2 PD5
DAC0_P0 /
OPAMP_P0
PC4
DAC0_P1 /
OPAMP_P1
PD6
OPAMP_P2
PD4
DBG_SWCLK
PF0
DBG_SWDIO
PF1
DBG_SWO
PF2
ETM_TCLK
ETM_TD0
ETM_TD1
ETM_TD2
ETM_TD3
GPIO_EM4WU0
GPIO_EM4WU2
GPIO_EM4WU3
GPIO_EM4WU4
GPIO_EM4WU5
PD7
PD6
PD3
PD4
PD5
PA0
PC9
PF1
PF2
PE13
HFXTAL_N
PB14
...the world's most energy friendly microcontrollers
LOCATION
1
2
3
4
PD7
PD8
PE12
5
6
Description
Analog to digital converter ADC0, input channel number 4.
Analog to digital converter ADC0, input channel number 5.
Analog to digital converter ADC0, input channel number 6.
Analog to digital converter ADC0, input channel number 7.
Bootloader RX
Bootloader TX
Battery input for Backup Power Domain
Clock Management Unit, clock output number 0.
Clock Management Unit, clock output number 1.
Operational Amplifier 0 external negative input.
PC1
PC2 PC3 PD0
PD1
PD0
Operational Amplifier 1 external negative input.
Operational Amplifier 2 external negative input.
Digital to Analog Converter DAC0_OUT0 /
OPAMP output channel number 0.
Digital to Analog Converter DAC0_OUT0ALT /
OPAMP alternative output for channel 0.
Digital to Analog Converter DAC0_OUT1ALT /
OPAMP alternative output for channel 1.
Operational Amplifier 2 output.
Operational Amplifier 0 external positive input.
PF0
PF0 PF0
PF1
PF1 PF1
PD1 PD2
PC6
PC7 PA2
PD3 PA3
PD4 PA4
PD5 PA5
Operational Amplifier 1 external positive input.
Operational Amplifier 2 external positive input.
Debug-interface Serial Wire clock input.
Note that this function is enabled to pin out of reset, and
has a built-in pull down.
Debug-interface Serial Wire data input / output.
Note that this function is enabled to pin out of reset, and
has a built-in pull up.
Debug-interface Serial Wire viewer Output.
Note that this function is not enabled after reset, and must
be enabled by software to be used.
Embedded Trace Module ETM clock .
Embedded Trace Module ETM data 0.
Embedded Trace Module ETM data 1.
Embedded Trace Module ETM data 2.
Embedded Trace Module ETM data 3.
Pin can be used to wake the system up from EM4
Pin can be used to wake the system up from EM4
Pin can be used to wake the system up from EM4
Pin can be used to wake the system up from EM4
Pin can be used to wake the system up from EM4
High Frequency Crystal negative pin. Also used as exter-
nal optional clock input pin.
2014-06-13 - EFM32WG332FXX - d0191_Rev1.40
58
www.silabs.com