EFM32WG840F128 Energy Micro, EFM32WG840F128 Datasheet - Page 51

• 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

2012-09-11 - EFM32WG840FXX - d0195_Rev1.00
Alternate
Functionality
GPIO_EM4WU4
GPIO_EM4WU5
HFXTAL_N
HFXTAL_P
I2C0_SCL
I2C0_SDA
I2C1_SCL
I2C1_SDA
LCD_BCAP_N
LCD_BCAP_P
LCD_BEXT
LCD_COM0
LCD_COM1
LCD_COM2
LCD_COM3
LCD_SEG0
LCD_SEG1
LCD_SEG2
LCD_SEG3
LCD_SEG4
LCD_SEG5
LCD_SEG6
LCD_SEG7
LCD_SEG8
LCD_SEG9
LCD_SEG10
LCD_SEG11
LCD_SEG12
PF2
PE13
PB14
PB13
PA1
PA0
PC5
PC4
PA13
PA12
PA14
PE4
PE5
PE6
PE7
PF2
PF3
PF4
PF5
PE8
PE9
PE10
PE11
PE12
PE13
PE14
PE15
PA15
0
PD7
PD6
PB12
PB11
1
PC7
PC6
Preliminary
2
LOCATION
3
4
...the world's most energy friendly microcontrollers
PF1
PF0
51
5
PE13
PE12
6
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 (4 - 48 MHz) negative pin. Also
used as external optional clock input pin.
High Frequency Crystal (4 - 48 MHz) positive pin.
I2C0 Serial Clock Line input / output.
I2C0 Serial Data input / output.
I2C1 Serial Clock Line input / output.
I2C1 Serial Data input / output.
LCD voltage booster (optional), boost capacitor, negative
pin. If using the LCD voltage booster, connect a 22 nF ca-
pacitor between LCD_BCAP_N and LCD_BCAP_P.
LCD voltage booster (optional), boost capacitor, positive
pin. If using the LCD voltage booster, connect a 22 nF ca-
pacitor between LCD_BCAP_N and LCD_BCAP_P.
LCD voltage booster (optional), boost output. If using the
LCD voltage booster, connect a 1 uF capacitor between this
pin and VSS.
An external LCD voltage may also be applied to this pin if
the booster is not enabled.
If AVDD is used directly as the LCD supply voltage, this pin
may be left unconnected or used as a GPIO.
LCD driver common line number 0.
LCD driver common line number 1.
LCD driver common line number 2.
LCD driver common line number 3.
LCD segment line 0. Segments 0, 1, 2 and 3 are controlled
by SEGEN0.
LCD segment line 1. Segments 0, 1, 2 and 3 are controlled
by SEGEN0.
LCD segment line 2. Segments 0, 1, 2 and 3 are controlled
by SEGEN0.
LCD segment line 3. Segments 0, 1, 2 and 3 are controlled
by SEGEN0.
LCD segment line 4. Segments 4, 5, 6 and 7 are controlled
by SEGEN1.
LCD segment line 5. Segments 4, 5, 6 and 7 are controlled
by SEGEN1.
LCD segment line 6. Segments 4, 5, 6 and 7 are controlled
by SEGEN1.
LCD segment line 7. Segments 4, 5, 6 and 7 are controlled
by SEGEN1.
LCD segment line 8. Segments 8, 9, 10 and 11 are con-
trolled by SEGEN2.
LCD segment line 9. Segments 8, 9, 10 and 11 are con-
trolled by SEGEN2.
LCD segment line 10. Segments 8, 9, 10 and 11 are con-
trolled by SEGEN2.
LCD segment line 11. Segments 8, 9, 10 and 11 are con-
trolled by SEGEN2.
LCD segment line 12. Segments 12, 13, 14 and 15 are con-
trolled by SEGEN3.
Description
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