EFM32LG942 Datasheet, PDF (59/78 Pages) Silicon Laboratories – Output state retention and wake-up from Shutoff Mode

Alternate
Functionality
0
OPAMP_N1
OPAMP_N2
PD3
DAC0_OUT0 /
OPAMP_OUT0
PB11
DAC0_OUT0ALT /
OPAMP_OUT0ALT
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_EM4WU3
GPIO_EM4WU4
GPIO_EM4WU5
PD7
PD6
PD3
PD4
PD5
PA0
PF1
PF2
PE13
HFXTAL_N
PB14
HFXTAL_P
I2C0_SCL
I2C0_SDA
I2C1_SCL
I2C1_SDA
PB13
PA1
PA0
PC5
PC4
LCD_BCAP_N
PA13
LCD_BCAP_P
PA12
LCD_BEXT
PA14
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LOCATION
1
2
3
4
5
6
Description
Operational Amplifier 2 external negative input.
Digital to Analog Converter DAC0_OUT0 /
OPAMP output channel number 0.
PD0
Digital to Analog Converter DAC0_OUT0ALT /
OPAMP alternative output for channel 0.
PD1
Digital to Analog Converter DAC0_OUT1ALT /
OPAMP alternative output for channel 1.
PD0
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
PD7
PC7
PD6
PC6
PB11
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
High Frequency Crystal negative pin. Also used as exter-
nal optional clock input pin.
High Frequency Crystal positive pin.
PF1 PE13 I2C0 Serial Clock Line input / output.
PF0 PE12 I2C0 Serial Data input / output.
I2C1 Serial Clock Line input / output.
I2C1 Serial Data input / output.
LCD voltage booster (optional), boost capacitor, negative
pin. If using the LCD voltage booster, connect a 22 nF ca-
pacitor between LCD_BCAP_N and LCD_BCAP_P.
LCD voltage booster (optional), boost capacitor, positive
pin. If using the LCD voltage booster, connect a 22 nF ca-
pacitor between LCD_BCAP_N and LCD_BCAP_P.
LCD voltage booster (optional), boost output. If using the
LCD voltage booster, connect a 1 uF capacitor between
this pin and VSS.
An external LCD voltage may also be applied to this pin if
the booster is not enabled.
2014-06-13 - EFM32LG942FXX - d0121_Rev1.30
59
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