EFM32WG840F128 Energy Micro, EFM32WG840F128 Datasheet - Page 8

• 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

2.3 Memory Map
2012-09-11 - EFM32WG840FXX - d0195_Rev1.00
The EFM32WG840 memory map is shown in Figure 2.2 (p. 9) , with RAM and Flash sizes for the
largest memory configuration.
Module
TIMER0
TIMER1
TIMER2
TIMER3
RTC
BURTC
LETIMER0
PCNT0
PCNT1
PCNT2
ACMP0
ACMP1
VCMP
ADC0
DAC0
OPAMP
AES
GPIO
LCD
Preliminary
Configuration
Full configuration with DTI.
Full configuration
Full configuration
Full configuration
Full configuration
Full configuration
Full configuration
8-bit count register
8-bit count register
Full configuration
Full configuration
Full configuration
Full configuration
Full configuration
Full configuration
Full configuration
56 pins
Full configuration
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8
Pin Connections
TIM0_CC[2:0], TIM0_CDTI[2:0]
TIM1_CC[2:0]
TIM2_CC[2:0]
TIM3_CC[2:0]
NA
NA
LET0_O[1:0]
PCNT0_S[1:0]
PCNT1_S[1:0]
PCNT2_S[1:0]
ACMP0_CH[7:0], ACMP0_O
ACMP1_CH[7:0], ACMP1_O
NA
ADC0_CH[7:0]
DAC0_OUT[1:0]
Outputs: OPAMP_OUTx,
OPAMP_OUTxALT, Inputs:
OPAMP_Px, OPAMP_Nx
NA
Available pins are shown in
Table 4.3 (p. 54)
LCD_SEG[19:0], LCD_COM[7:0],
LCD_BCAP_P, LCD_BCAP_N,
LCD_BEXT
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