EFM32TG108 Datasheet, PDF (33/48 Pages) Silicon Laboratories – Output state retention and wake-up from Shutoff Mode

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Alternate
Functionality 0
LOCATION
1
2
3
4
5
LEU0_TX
PB13
PF0
PF2
LFXTAL_N
PB8
LFXTAL_P
PB7
PCNT0_S0IN
PC0 PD6
PCNT0_S1IN
PC14
PC1 PD7
PRS_CH0
PA0
PRS_CH2
PC0
PRS_CH3
PC1
TIM0_CC0
PA0
PA0
PA0
PF0
TIM0_CC1
PC0
PF1
TIM0_CC2
PC1
PF2
TIM1_CC0
PB7
PD6
TIM1_CC1
PC14
PB8
PD7
TIM1_CC2
PC15 PE12
PB11
US1_CLK
PB7
PF0
US1_CS
PB8
PF1
US1_RX
PC1
PD6
US1_TX
PC0
PD7
6
Description
LEUART0 Transmit output. Also used as receive input in half
duplex communication.
Low Frequency Crystal (typically 32.768 kHz) negative pin.
Also used as an optional external clock input pin.
Low Frequency Crystal (typically 32.768 kHz) positive pin.
Pulse Counter PCNT0 input number 0.
Pulse Counter PCNT0 input number 1.
Peripheral Reflex System PRS, channel 0.
Peripheral Reflex System PRS, channel 2.
Peripheral Reflex System PRS, channel 3.
Timer 0 Capture Compare input / output channel 0.
Timer 0 Capture Compare input / output channel 1.
Timer 0 Capture Compare input / output channel 2.
Timer 1 Capture Compare input / output channel 0.
Timer 1 Capture Compare input / output channel 1.
Timer 1 Capture Compare input / output channel 2.
USART1 clock input / output.
USART1 chip select input / output.
USART1 Asynchronous Receive.
USART1 Synchronous mode Master Input / Slave Output
(MISO).
USART1 Asynchronous Transmit.Also used as receive input
in half duplex communication.
USART1 Synchronous mode Master Output / Slave Input
(MOSI).
4.3 GPIO Pinout Overview
The specific GPIO pins available in EFM32TG108 is shown in Table 4.3 (p. 33) . Each GPIO port is
organized as 16-bit ports indicated by letters A through F, and the individual pin on this port is indicated
by a number from 15 down to 0.
Table 4.3. GPIO Pinout
Port
Port A
Port B
Port C
Port D
Port E
Port F
Pin Pin Pin Pin Pin Pin Pin Pin Pin Pin Pin Pin Pin Pin Pin Pin
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1
0
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
PA0
- PB14 PB13 - PB11 -
-
PB8 PB7
-
-
-
-
-
-
-
PC15 PC14 -
-
-
-
-
-
-
-
-
-
-
-
PC1 PC0
-
-
-
-
-
-
-
-
PD7 PD6
-
-
-
-
-
-
-
- PE13 PE12 -
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
PF2 PF1 PF0
2015-03-06 - EFM32TG108FXX - d0032_Rev1.40
33
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