EFM32G Data Sheet
Pin Definitions
Alternate
LOCATION
Functionality
0
1
2
3
Description
USART2 Asynchronous Transmit.Also used as receive input
in half duplex communication.
US2_TX
PB3
USART2 Synchronous mode Master Output / Slave Input
(MOSI).
5.7.3 GPIO Pinout Overview
The specific GPIO pins available in EFM32G840 is shown in the following table. 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 5.21. GPIO Pinout
Port
Pin
15
Pin
14
Pin
13
Pin
12
Pin
11
Pin Pin 9 Pin 8 Pin 7 Pin 6 Pin 5 Pin 4 Pin 3 Pin 2 Pin 1 Pin 0
10
Port A
Port B
Port C
Port D
Port E
Port F
PA15 PA14 PA13 PA12
—
—
—
—
—
—
—
—
—
—
—
PA6 PA5 PA4 PA3 PA2 PA1 PA0
—
PB14 PB13 PB12 PB11
PB8 PB7 PB6 PB5 PB4 PB3
PC7 PC6 PC5 PC4
—
—
—
—
—
—
PC15 PC14 PC13 PC12
—
—
—
—
—
—
—
—
PD8 PD7 PD6 PD5 PD4 PD3 PD2 PD1 PD0
PE15 PE14 PE13 PE12 PE11 PE10 PE9 PE8 PE7 PE6 PE5 PE4
—
—
—
—
—
—
—
—
—
—
—
—
—
—
PF5 PF4 PF3 PF2 PF1 PF0
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