EFM32LG332F256 Energy Micro, EFM32LG332F256 Datasheet

EFM32LG332F256

Manufacturer Part Number

EFM32LG332F256

Description

ARM Microcontrollers - MCU 256KB FL 32KB RAM

Manufacturer

Energy Micro

Series

EFM32LG332r

Datasheet

1.EFM32LG332F256.pdf (66 pages)

Specifications of EFM32LG332F256

Rohs

yes

Core

ARM Cortex M3

Processor Series

EFM32

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

QFP-64

Mounting Style

SMD/SMT

Interface Type

I2C, I2S, SPI, UART, USART

Length

10 mm

Available stocks

Company

Part Number

Manufacturer

Quantity

Price

Company:

BOSTOCK HK LIMITED

Part Number:

EFM32LG332F256

Manufacturer:

Energy Micro

Quantity:

10 000

Company:

BOSTOCK HK LIMITED

Part Number:

EFM32LG332F256-T

Manufacturer:

Energy Micro

Quantity:

10 000

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Download datasheet (4Mb)

• ARM Cortex-M3 CPU platform

• Flexible Energy Management System

• 256/128/64 KB Flash

• 32/32/32 KB RAM

• 50 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

• 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

• 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

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

• 50 µA/MHz @ 3 V Sleep Mode

• 200 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

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

• Operation from backup battery when main power drains out

EFM32LG332 DATASHEET

F256/F128/64F

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

• TQFP64 package

...the world's most energy friendly microcontrollers

• 3× Universal Synchronous/Asynchronous Receiv-

• 2× Low Energy UART

• 2× I

• Universal Serial Bus (USB) with Host and OTG sup-

• 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

port

• Fully USB 2.0 compliant

• On-chip PHY and embedded 5V to 3.3V regulator

• 8 single ended channels/4 differential channels

• On-chip temperature sensor

• 2 single ended channels/1 differential channel

• Capacitive sensing with up to 4 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

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