EFM32WG840F128 Energy Micro, EFM32WG840F128 Datasheet

EFM32WG840F128

Manufacturer Part Number

EFM32WG840F128

Description

ARM Microcontrollers - MCU 128kb flash 32kb RAM

Manufacturer

Energy Micro

Datasheet

1.EFM32WG840F128.pdf (67 pages)

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

Current page: 1 of 67
Download datasheet (4Mb)

• ARM Cortex-M4F CPU platform

• Flexible Energy Management System

• 256/128/64 KB Flash

• 32/32/32 KB RAM

• 56 General Purpose I/O pins

• 12 Channel DMA Controller

• 12 Channel Peripheral Reflex System (PRS) for autonomous in-

• Hardware AES with 128/256-bit keys in 54/75 cycles

• Timers/Counters

• Integrated LCD Controller for up to 8×20 segments

• Backup Power Domain

32-bit ARM Cortex-M0+, Cortex-M3 and Cortex-M4F microcontrollers for:

• Energy, gas, water and smart metering

• Health and fitness applications

• Smart accessories

• High Performance 32-bit processor @ up to 48 MHz

• DSP instruction support and floating-point unit

• Memory Protection Unit

• 20 nA @ 3 V Shutoff Mode

• 0.4µA @ 3 V Shutoff Mode with RTC

• 0.9 µA @ 3 V Stop Mode, including Power-on Reset, Brown-out

• 1.0 µA @ 3 V Deep Sleep Mode, including RTC with 32.768 kHz

• 50 µA/MHz @ 3 V Sleep Mode

• 180 µA/MHz @ 3 V Run Mode, with code executed from Flash

• Configurable Push-pull, Open-drain, pull resistor, drive strength

• Configurable peripheral I/O locations

• 16 asynchronous external interrupts

• Output state retention and wakeup from Shutoff Mode

ter-peripheral signaling

• 4× 16-bit Timer/Counter

• 16-bit Low Energy Timer

• 1× 24-bit and 1× 32-bit Real-Time Counter

• 3× 16/8-bit Pulse Counter with asynchronous operation

• Watchdog Timer with dedicated RC oscillator @ 50 nA

• Voltage boost, adjustable contrast and autonomous animation

• RTC and retention registers in a separate power domain, avail-

• Operation from backup battery when main power drains out

EFM32WG840 DATASHEET

F256/F128/F64

Preliminary

Detector, RAM and CPU retention

oscillator, Power-on Reset, Brown-out Detector, RAM and CPU

retention

• 4×3 Compare/Capture/PWM channels

able in all energy modes

Preliminary

• Alarm and security systems

• Industrial and home automation

• www.energymicro.com/gecko

• Communication interfaces

• Ultra low power precision analog peripherals

• Low Energy Sensor Interface (LESENSE)

• Ultra efficient Power-on Reset and Brown-Out Detec-

• Debug Interface

• Pre-Programmed Serial Bootloader

• Temperature range -40 to 85 ºC

• Single power supply 1.85 to 3.8 V

• QFN64 package

...the world's most energy friendly microcontrollers

• 3× Universal Synchronous/Asynchronous Receiv-

• 2× Low Energy UART

• 2× I

• 12-bit 1 Msamples/s Analog to Digital Converter

• 12-bit 500 ksamples/s Digital to Analog Converter

• 2× Analog Comparator

• 3× Operational Amplifier

• Supply Voltage Comparator

• Autonomous sensor monitoring in Deep Sleep Mode

• Wide range of sensors supported, including LC sen-

tor

• 2-pin Serial Wire Debug interface

• Embedded Trace Module v3.5 (ETM)

er/Transmitter

• UART/SPI/SmartCard (ISO 7816)/IrDA/I2S

• Autonomous operation with DMA in Deep Sleep

• Address recognition in Stop Mode

• 8 single ended channels/4 differential channels

• On-chip temperature sensor

• 2 single ended channels/1 differential channel

• Capacitive sensing with up to 16 inputs

• 6.1 MHz GBW, Rail-to-rail, Programmable Gain

sors and capacitive buttons

• 1-pin Serial Wire Viewer

Mode

C Interface with SMBus support

Related parts for EFM32WG840F128

Related keywords

EFM32WG840F128 datasheet
EFM32WG840F128 data sheet
EFM32WG840F128 pdf datasheet
EFM32WG840F128 component
EFM32WG840F128 part
EFM32WG840F128 distributor
EFM32WG840F128 RoHS
EFM32WG840F128 datasheet download