EFM32LG995F256 Energy Micro, EFM32LG995F256 Datasheet - Page 58

• Manufacturer Part Number: EFM32LG995F256
• Description: ARM Microcontrollers - MCU 256KB FL 32KB RAM
• Manufacturer: Energy Micro

Specifications of EFM32LG995F256

• Rohs: yes
• Core: ARM Cortex M3
• Processor Series: Leopard Gecko (LG)
• Data Bus Width: 32 bit
• Maximum Clock Frequency: 48 MHz
• Program Memory Size: 256 KB
• Data Ram Size: 32 KB
• On-chip Adc: Yes
• Operating Supply Voltage: 1.85 V to 3.8 V
• Operating Temperature Range: - 40 C to + 85 C
• Package / Case: BGA-120
• Mounting Style: SMD/SMT
• A/d Bit Size: 12 bit
• Interface Type: I2C, SPI, USB, UART
• Number Of Programmable I/os: 93
• Program Memory Type: Flash

4.3 GPIO pinout overview
2012-09-11 - EFM32LG995FXX - d0124_Rev1.00
The specific GPIO pins available in EFM32LG995 is shown in Table 4.3 (p. 59) . 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.
Alternate
Functionality
U0_TX
U1_RX
U1_TX
US0_CLK
US0_CS
US0_RX
US0_TX
US1_CLK
US1_CS
US1_RX
US1_TX
US2_CLK
US2_CS
US2_RX
US2_TX
USB_DM
USB_DMPU
USB_DP
USB_ID
USB_VBUS
USB_VBUSEN
USB_VREGI
USB_VREGO
PF6
PC13
PC12
PE12
PE13
PE11
PE10
PB7
PB8
PC1
PC0
PC4
PC5
PC3
PC2
PF10
PD2
PF11
PF12
USB_VBUS
PF5
USB_VREGI
USV_VREGO
0
PE0
PF11
PF10
PE5
PE4
PE6
PE7
PD2
PD3
PD1
PD0
PB5
PB6
PB4
PB3
1
Preliminary
PA3
PB10
PB9
PC9
PC8
PC10
PC11
PF0
PF1
PD6
PD7
LOCATION
2
PC14
PE3
PE2
PC15
PC14
PE12
PE13
3
PB13
PB14
PB8
PB7
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4
58
PB13
PB14
PC1
PC0
5
6
UART0 Transmit output. Also used as receive input in half
duplex communication.
UART1 Receive input.
UART1 Transmit output. Also used as receive input in half
duplex communication.
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
Description
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