...the world s most energy friendly microcontrollers EFM32G840 DATASHEET F128/F64/F32 ARM Cortex-M3 CPU platform Communication interfaces High Performance 32-bit processor up to 32 MHz 3 Universal Synchronous/Asynchronous Receiv- er/Transmitter Memory Protection Unit Wake-up Interrupt Controller UART/SPI/SmartCard (ISO 7816)/IrDA Triple buffered full/half-duplex operation Flexible Energy Management System 2 Low Energy UART 20 nA 3 V Shutoff Mode Autonomous operation with DMA in Deep Sleep 0.6 A 3 V Stop Mode, including Power-on Reset, Brown-out Mode Detector, RAM and CPU retention 2 I C Interface with SMBus support 0.9 A 3 V Deep Sleep Mode, including RTC with 32.768 kHz oscillator, Power-on Reset, Brown-out Detector, RAM and CPU Address recognition in Stop Mode retention Ultra low power precision analog peripherals 45 A/MHz 3 V Sleep Mode 12-bit 1 Msamples/s Analog to Digital Converter 180 A/MHz 3 V Run Mode, with code executed from flash 8 single ended channels/4 differential channels 128/64/32 KB Flash On-chip temperature sensor 16/16/8 KB RAM 12-bit 500 ksamples/s Digital to Analog Converter 56 General Purpose I/O pins 2 Analog Comparator Configurable push-pull, open-drain, pull-up/down, input filter, drive Capacitive sensing with up to 8 inputs strength Supply Voltage Comparator Configurable peripheral I/O locations Ultra efficient Power-on Reset and Brown-Out Detec- 16 asynchronous external interrupts tor Output state retention and wake-up from Shutoff Mode 2-pin Serial Wire Debug interface 8 Channel DMA Controller 1-pin Serial Wire Viewer 8 Channel Peripheral Reflex System (PRS) for autonomous in- Pre-Programmed UART Bootloader ter-peripheral signaling Temperature range -40 to 85 C Hardware AES with 128/256-bit keys in 54/75 cycles Single power supply 1.85 to 3.8 V Timers/Counters QFN64 package 3 16-bit Timer/Counter 33 Compare/Capture/PWM channels Dead-Time Insertion on TIMER0 16-bit Low Energy Timer 1 24-bit Real-Time Counter 3 8-bit Pulse Counter Watchdog Timer with dedicated RC oscillator 50 nA Integrated LCD Controller for up to 424 segments Voltage boost, adjustable contrast and autonomous animation 32-bit ARM Cortex-M0+, Cortex-M3 and Cortex-M4 microcontrollers for: Energy, gas, water and smart metering Alarm and security systems Health and fitness applications Industrial and home automation Smart accessories 2013-11-22 - EFM32G840FXX - d0008 Rev1.71 1 www.silabs.com...the world s most energy friendly microcontrollers 1 Ordering Information Table 1.1 (p. 2) shows the available EFM32G840 devices. Table 1.1. Ordering Information Ordering Code Flash (kB) RAM (kB) Max Supply Temperature Package Speed Voltage (C) (MHz) (V) EFM32G840F32-QFN64 32 8 32 1.85 - 3.8 -40 - 85 QFN64 EFM32G840F64-QFN64 64 16 32 1.85 - 3.8 -40 - 85 QFN64 EFM32G840F128-QFN64 128 16 32 1.85 - 3.8 -40 - 85 QFN64 Visit www.silabs.com for information on global distributors and representatives. 2013-11-22 - EFM32G840FXX - d0008 Rev1.71 2 www.silabs.com