Silicon Laboratories, Inc. EFM32ZG108F4

The Silicon Laboratories, Inc. EFM32ZG108F4 is an ARM Cortex-M0+ CPU platform - High Performance 32-bit processor, up to 24 MHz - Wake-up Interrupt Controller 32/16/8/4 KB Flash 4/4/2/2 KB RAM 17 General Purpose I/O pins - Configurable push-pull, open-drain, pull-up/down, input filter, drive strength - Configurable peripheral I/O locations - 11 asynchronous external interrupts - Output state retention and wake-up from Shutoff Mode 4 Channel DMA Controller 4 Channel Peripheral Reflex System (PRS) for autonomous inter-peripheral signaling Timers/Counters - 2x 16-bit Timer/Counter 2x3 Compare/Capture/PWM channels - 1x 24-bit Real-Time Counter - 1x 16-bit Pulse Counter - Watchdog Timer with dedicated RC oscillator @ 50 nA Communication interfaces - 1x Universal Synchronous/Asynchronous Receiver/Transmitter UART/SPI/SmartCard (ISO 7816)/IrDA/I2S Triple buffered full/half-duplex operation - Low Energy UART Autonomous operation with DMA in Deep Sleep Mode - I2C Interface with SMBus support Address recognition in Stop Mode Ultra low power precision analog peripherals - 1x Analog Comparator Capacitive sensing with up to 2 inputs - Supply Voltage Comparator Ultra efficient Power-on Reset and Brown-Out Detector 2-pin Serial Wire Debug interface Pre-Programmed UART Bootloader Temperature range -40 to 85 C Single power supply 1.85 to 3.8 V.