EFM32LG840 Datasheet, PDF (58/77 Pages) Silicon Laboratories – Output state retention and wake-up from Shutoff Mode

QFN64 Pin#
and Name
...the world's most energy friendly microcontrollers
Pin Alternate Functionality / Description
Pin Name
Analog
Timers
Communication
Other
55
IOVDD_5
Digital IO power supply 5.
56
PE8
LCD_SEG4
57
PE9
LCD_SEG5
58
PE10
LCD_SEG6
59
PE11
LCD_SEG7
60
PE12
LCD_SEG8
61
PE13
62
PE14
63
PE15
64
PA15
LCD_SEG9
LCD_SEG10
LCD_SEG11
LCD_SEG12
PCNT2_S0IN #1
PCNT2_S1IN #1
TIM1_CC0 #1
TIM1_CC1 #1
TIM1_CC2 #1
TIM3_CC0 #0
TIM3_CC1 #0
TIM3_CC2 #0
US0_TX #0
US0_RX #0
US0_RX #3
US0_CLK #0
I2C0_SDA #6
US0_TX #3
US0_CS #0
I2C0_SCL #6
LEU0_TX #2
LEU0_RX #2
PRS_CH3 #1
BOOT_TX
LES_ALTEX5 #0
BOOT_RX
CMU_CLK1 #2
LES_ALTEX6 #0
LES_ALTEX7 #0
ACMP0_O #0
GPIO_EM4WU5
4.2 Alternate Functionality Pinout
A wide selection of alternate functionality is available for multiplexing to various pins. This is shown in
Table 4.2 (p. 58) . The table shows the name of the alternate functionality in the first column, followed
by columns showing the possible LOCATION bitfield settings.
Note
Some functionality, such as analog interfaces, do not have alternate settings or a LOCA-
TION bitfield. In these cases, the pinout is shown in the column corresponding to LOCA-
TION 0.
Table 4.2. Alternate functionality overview
Alternate
LOCATION
Functionality 0
1
2
3
4
5
6
Description
ACMP0_CH4
PC4
Analog comparator ACMP0, channel 4.
ACMP0_CH5
PC5
Analog comparator ACMP0, channel 5.
ACMP0_CH6
PC6
Analog comparator ACMP0, channel 6.
ACMP0_CH7
PC7
Analog comparator ACMP0, channel 7.
ACMP0_O
PE13
PD6
Analog comparator ACMP0, digital output.
ACMP1_CH4
PC12
Analog comparator ACMP1, channel 4.
ACMP1_CH5
PC13
Analog comparator ACMP1, channel 5.
ACMP1_CH6
PC14
Analog comparator ACMP1, channel 6.
ACMP1_CH7
PC15
Analog comparator ACMP1, channel 7.
ACMP1_O
PF2
PD7
Analog comparator ACMP1, digital output.
ADC0_CH0
PD0
Analog to digital converter ADC0, input channel number 0.
ADC0_CH1
PD1
Analog to digital converter ADC0, input channel number 1.
ADC0_CH2
PD2
Analog to digital converter ADC0, input channel number 2.
ADC0_CH3
PD3
Analog to digital converter ADC0, input channel number 3.
2014-06-13 - EFM32LG840FXX - d0115_Rev1.30
58
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