Silicon Laboratories, Inc. EFM32TG222F32

The Silicon Laboratories, Inc. EFM32TG222F32 is an ARM Cortex-M3 CPU - High Performance 32-bit processor, up to 32 MHz - Memory Protection Unit - Wake-up Interrupt Controller Flexible Energy Management System 32/16/8/4 KB Flash 4/2/1 KB RAM Up to 56 GPIO pins Configurable Push-pull, Open-drain, pull-up/down, input filter, drive strength Configurable peripheral I/O locations 16 asynchronous external interrupts 8 Channel DMA Controller 8 Channel Peripheral Reflex System for autonomous inter-peripheral signaling Integrated LCD Controller for up to 8x20 segments Hardware AES with 128/256-bit keys in 54/75 cycles Communication interfaces 2x Universal Synchronous/Asynchronous Receiver/Transmitter - SPI/SmartCard (ISO 7816)/IrDA (USART0)/I2S (USART1) - Triple buffered full/half-duplex operation - 4-16 data bits 1x Low Energy UART - Autonomous operation with DMA in Deep Sleep Mode I2C Interface with SMBus support - Address recognition in Stop Mode Timers/Counters 2x 16-bit Timer/Counter 16-bit Low Energy Timer 24-bit Real-Time Counter 1x 16-bit Pulse Counter - Asynchronous pulse counting/quadrature decoding Watchdog Timer with dedicated RC oscillator Ultra low power precision analog peripherals 12-bit 1 Msamples/s Analog to Digital Converter - 8 input channels and on-chip temperature sensor - Single ended or differential operation 12-bit 500 ksamples/s Digital to Analog Converter - 2 single ended channels/1 differential channel Up to 3 Operational Amplifiers - Supports rail-to-rail inputs and outputs - Programmable gain 2× Analog Comparator - Programmable speed/current - Capacitive sensing with up to 8 inputs Supply Voltage Comparator Ultra low power sensor interface Autonomous sensor monitoring in Deep Sleep Mode Wide range of sensors supported, including LC sensors and capacitive buttons Ultra efficient Power-on Reset and Brown-Out Detector 2-pin Serial Wire Debug 1-pin Serial Wire Viewer.