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EFM32WG380 Datasheet, PDF (1/82 Pages) Silicon Laboratories – Operation from backup battery when main power drains out | |||
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...the world's most energy friendly microcontrollers
EFM32WG380 DATASHEET
F256/F128/F64
⢠ARM Cortex-M4 CPU platform
⢠High Performance 32-bit processor @ up to 48 MHz
⢠DSP instruction support and floating-point unit
⢠Memory Protection Unit
⢠Flexible Energy Management System
⢠20 nA @ 3 V Shutoff Mode
⢠0.4 µA @ 3 V Shutoff Mode with RTC
⢠0.65 µA @ 3 V Stop Mode, including Power-on Reset, Brown-out
Detector, RAM and CPU retention
⢠0.95 µA @ 3 V Deep Sleep Mode, including RTC with 32.768 kHz
oscillator, Power-on Reset, Brown-out Detector, RAM and CPU
retention
⢠63 µA/MHz @ 3 V Sleep Mode
⢠225 µA/MHz @ 3 V Run Mode, with code executed from flash
⢠256/128/64 KB Flash
⢠32 KB RAM
⢠81 General Purpose I/O pins
⢠Configurable push-pull, open-drain, pull-up/down, input filter, drive
strength
⢠Configurable peripheral I/O locations
⢠16 asynchronous external interrupts
⢠Output state retention and wake-up from Shutoff Mode
⢠12 Channel DMA Controller
⢠12 Channel Peripheral Reflex System (PRS) for autonomous in-
ter-peripheral signaling
⢠Hardware AES with 128/256-bit keys in 54/75 cycles
⢠Timers/Counters
⢠4à 16-bit Timer/Counter
⢠4Ã3 Compare/Capture/PWM channels
⢠Dead-Time Insertion on TIMER0
⢠16-bit Low Energy Timer
⢠1à 24-bit Real-Time Counter and 1à 32-bit Real-Time Counter
⢠3à 16/8-bit Pulse Counter
⢠Watchdog Timer with dedicated RC oscillator @ 50 nA
⢠Backup Power Domain
⢠RTC and retention registers in a separate power domain, avail-
able in all energy modes
⢠Operation from backup battery when main power drains out
⢠External Bus Interface for up to 4x256 MB of external
memory mapped space
⢠TFT Controller with Direct Drive
⢠Communication interfaces
⢠3à Universal Synchronous/Asynchronous Receiv-
er/Transmitter
⢠UART/SPI/SmartCard (ISO 7816)/IrDA/I2S
⢠2à Universal Asynchronous Receiver/Transmitter
⢠2à Low Energy UART
⢠Autonomous operation with DMA in Deep Sleep
Mode
⢠2à I2C Interface with SMBus support
⢠Address recognition in Stop Mode
⢠Universal Serial Bus (USB) with Host & OTG support
⢠Fully USB 2.0 compliant
⢠On-chip PHY and embedded 5V to 3.3V regulator
⢠Ultra low power precision analog peripherals
⢠12-bit 1 Msamples/s Analog to Digital Converter
⢠8 single ended channels/4 differential channels
⢠On-chip temperature sensor
⢠12-bit 500 ksamples/s Digital to Analog Converter
⢠2à Analog Comparator
⢠Capacitive sensing with up to 16 inputs
⢠3à Operational Amplifier
⢠6.1 MHz GBW, Rail-to-rail, Programmable Gain
⢠Supply Voltage Comparator
⢠Low Energy Sensor Interface (LESENSE)
⢠Autonomous sensor monitoring in Deep Sleep Mode
⢠Wide range of sensors supported, including LC sen-
sors and capacitive buttons
⢠Ultra efficient Power-on Reset and Brown-Out Detec-
tor
⢠Debug Interface
⢠2-pin Serial Wire Debug interface
⢠1-pin Serial Wire Viewer
⢠Embedded Trace Module v3.5 (ETM)
⢠Pre-Programmed USB/UART Bootloader
⢠Temperature range -40 to 85 ºC
⢠Single power supply 1.98 to 3.8 V
⢠LQFP100 package
32-bit ARM Cortex-M0+, Cortex-M3 and Cortex-M4 microcontrollers for:
⢠Energy, gas, water and smart metering
⢠Health and fitness applications
⢠Smart accessories
⢠Alarm and security systems
⢠Industrial and home automation
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