EFM32WG840F128 Energy Micro, EFM32WG840F128 Datasheet - Page 54

• Manufacturer Part Number: EFM32WG840F128
• Description: ARM Microcontrollers - MCU 128kb flash 32kb RAM
• Manufacturer: Energy Micro

Specifications of EFM32WG840F128

• Rohs: yes
• Core: ARM Cortex M4F
• Processor Series: EFM32WG840
• Data Bus Width: 32 bit
• Maximum Clock Frequency: 48 MHz
• Program Memory Size: 128 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: QFN-64
• Mounting Style: SMD/SMT

4.3 GPIO pinout overview
4.4 Opamp pinout overview
2012-09-11 - EFM32WG840FXX - d0195_Rev1.00
The specific GPIO pins available in EFM32WG840 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.
Table 4.3. GPIO Pinout
The specific opamp terminals available in EFM32WG840 is shown in Figure 4.2 (p. 54) .
Figure 4.2. Opamp Pinout
Alternate
Functionality
US2_CLK
US2_CS
US2_RX
US2_TX
Port A
Port B
Port C
Port D
Port E
Port F
Port
PA15
PC15
PE15
Pin
15
-
-
-
PC4
PC5
PC4
PC5
PD4
PD3
PD6
PD7
0
PA14
PB14
PC14
PE14
Pin
14
-
-
PB5
PB6
PB4
PB3
PC13
PA13
PB13
PE13
Pin
1
13
-
-
PC12
PA12
PB12
PE12
Pin
12
Preliminary
-
-
2
LOCATION
PB11
PE11
Pin
11
-
-
-
-
OPA0
OPA1
+
+
3
-
-
PE10
Pin
10
-
-
-
-
-
OUT1ALT
OUT0ALT
4
OUT1
OUT0
Pin
PE9
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9
-
-
-
-
-
OPA2
54
+
-
5
Pin
PD8
PB8
PE8
8
-
-
-
OUT2
6
Pin
PB7
PC7
PD7
PE7
7
-
-
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).
Pin
PA6
PB6
PC6
PD6
PE6
6
-
Pin
PA5
PB5
PC5
PD5
PE5
PF5
5
Pin
PC4
PD4
PA4
PB4
PE4
PF4
4
Description
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Pin
PA3
PB3
PD3
PF3
3
-
-
Pin
PA2
PD2
PF2
2
-
-
-
PC15
PB11
PB12
PC12
PC13
PC14
PD0
PD1
PD5
Pin
PA1
PD1
PF1
1
-
-
-
Pin
PD0
PA0
PF0
0
-
-
-