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EFM32GG942 Datasheet, PDF (53/68 Pages) List of Unclassifed Manufacturers – EFM32GG942 DATASHEET
Preliminary
...the world's most energy friendly microcontrollers
Alternate
Functionality
0
TIM2_CC2
TIM3_CC0
PE14
TIM3_CC1
PE15
US0_CLK
PE12
US0_CS
PE13
US0_RX
PE11
LOCATION
1
2
3
4
5
PA14
PE5
PB13 PB13
PE4
PB14 PB14
PE6
PE12 PB8
US0_TX
US1_CLK
US1_CS
US1_RX
PE10
PB7
PB8
PE7
PE13 PB7
PD2 PF0
PD3 PF1
PD1 PD6
US1_TX
US2_CLK
PC4
US2_CS
PC5
US2_RX
PD0 PD7
PB5
PB6
PB4
US2_TX
PB3
USB_DM
USB_DMPU
USB_DP
USB_ID
USB_VBUS
USB_VBUSEN
USB_VREGI
USB_VREGO
PF10
PD2
PF11
PF12
USB_VBUS
PF5
USB_VREGI
USV_VREGO
6
Description
Timer 2 Capture Compare input / output channel 2.
Timer 3 Capture Compare input / output channel 0.
Timer 3 Capture Compare input / output channel 1.
USART0 clock input / output.
USART0 chip select input / output.
USART0 Asynchronous Receive.
USART0 Synchronous mode Master Input / Slave Output
(MISO).
USART0 Asynchronous Transmit.Also used as receive in-
put in half duplex communication.
USART0 Synchronous mode Master Output / Slave Input
(MOSI).
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 in-
put in half duplex communication.
USART1 Synchronous mode Master Output / Slave Input
(MOSI).
USART2 clock input / output.
USART2 chip select input / output.
USART2 Asynchronous Receive.
USART2 Synchronous mode Master Input / Slave Output
(MISO).
USART2 Asynchronous Transmit.Also used as receive in-
put in half duplex communication.
USART2 Synchronous mode Master Output / Slave Input
(MOSI).
USB D- pin.
USB D- Pullup control.
USB D+ pin.
USB ID pin. Used in OTG mode.
USB 5 V VBUS input.
USB 5 V VBUS enable.
USB Input to internal 3.3 V regulator
USB Decoupling for internal 3.3 V USB regulator and reg-
ulator output
4.3 GPIO pinout overview
The specific GPIO pins available in EFM32GG942 is shown in Table 4.3 (p. 54) . Each GPIO port is
organized as 16-bit ports indicated by letters A through F, and the individual pin on this port in indicated
by a number from 15 down to 0.
2012-09-11 - EFM32GG942FXX - d0128_Rev1.00
53
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