EFM32G840 Datasheet (Silicon Laboratories)

EFM32G840, Microcontrollers

the world's most energy friendly microcontrollers EFM32G840 DATASHEET F128/F64/F32 ARM Cortex-M3 CPU platform High Performance 32-bit processor @ up to 32 MHz Memory Protection Unit Wake-up Interrupt Controller Flexible Energy Management System 20 nA @ 3 V Shutoff Mode 0.6 µA @ 3 V Stop Mode, including Power-on Reset, Brown-out Detector, RAM and CPU retention 0.9 µA @ 3 V Deep Sleep Mode, including RTC with 32.768 k

EFM32G840 Features

* N0003 is pre-programmed in the device at factory. Autobaud and destructive write are supported. The autobaud feature, interface and commands are described further in the application note. 2.1.13 Low Energy Universal Asynchronous Receiver/Transmitter (LEUART) The unique LEUARTTM, the Low Energy UART,