EFM32TG225 Datasheet, PDF (49/66 Pages) Silicon Laboratories – Configurable peripheral I/O locations

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Alternate
Functionality 0
GPIO_EM4WU0 PA0
GPIO_EM4WU2 PC9
GPIO_EM4WU3 PF1
GPIO_EM4WU4 PF2
GPIO_EM4WU5 PE13
HFXTAL_N
PB14
HFXTAL_P
I2C0_SCL
I2C0_SDA
LES_ALTEX0
LES_ALTEX1
LES_ALTEX5
LES_ALTEX6
LES_ALTEX7
LES_CH0
LES_CH1
LES_CH2
LES_CH3
LES_CH4
LES_CH8
LES_CH9
LES_CH10
LES_CH11
LES_CH13
LES_CH14
LES_CH15
LETIM0_OUT0
LETIM0_OUT1
LEU0_RX
PB13
PA1
PA0
PD6
PD7
PE11
PE12
PE13
PC0
PC1
PC2
PC3
PC4
PC8
PC9
PC10
PC11
PC13
PC14
PC15
PD6
PD7
PD5
LEU0_TX
PD4
LFXTAL_N
LFXTAL_P
PCNT0_S0IN
PCNT0_S1IN
PRS_CH0
PRS_CH1
PRS_CH2
PRS_CH3
TIM0_CC0
TIM0_CC1
PB8
PB7
PC13
PC14
PA0
PA1
PC0
PC1
PA0
PA1
1
PD7
PD6
PB11
PB14
PB13
PF3
PF4
PF5
PA0
PA1
LOCATION
2
3
4
PC1
PC0
PF0 PC4
PF1
PF1
PA0
PF0
PF2
PC0 PD6
PC1 PD7
PA0
PC0
5
6
PF1 PE13
PF0 PE12
PF0
PF1
Description
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 external
optional clock input pin.
High Frequency Crystal positive pin.
I2C0 Serial Clock Line input / output.
I2C0 Serial Data input / output.
LESENSE alternate exite output 0.
LESENSE alternate exite output 1.
LESENSE alternate exite output 5.
LESENSE alternate exite output 6.
LESENSE alternate exite output 7.
LESENSE channel 0.
LESENSE channel 1.
LESENSE channel 2.
LESENSE channel 3.
LESENSE channel 4.
LESENSE channel 8.
LESENSE channel 9.
LESENSE channel 10.
LESENSE channel 11.
LESENSE channel 13.
LESENSE channel 14.
LESENSE channel 15.
Low Energy Timer LETIM0, output channel 0.
Low Energy Timer LETIM0, output channel 1.
LEUART0 Receive input.
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 1.
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.
2015-03-06 - EFM32TG225FXX - d0205_Rev1.40
49
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