Microchip Technology, Inc. ATSAMD21E16L

A low-power, high-performance ARM® Cortex®-M0+ -based Flash microcontroller optimized for control applications, the Microchip's ATSAMD21E16L is ideal for a wide range of lighting, motor control and industrial applications. It features: 64KB of Flash and 8KB of SRAM Up to 48MHz operating frequency Five serial communication (SERCOM) modules configurable as UART/USART, SPI or I2C, four 16-bit timer/counters, two 24-bit timer/counters, 32-bit Real-Time Clock and calendar, one 14-channel 12-bit ADC, one 10-bit DAC and four analog comparators 1.62V to 3.63V power supply 32-pin package with up to 26 GPIO pins Supported by Atmel Studio, ASF and the STK600 development platform Supported by MPLAB X IDE and MPLAB Harmony. Additional Features Processor ARM Cortex-M0+ CPU running at up to 48MHz Single-cycle hardware multiplier Micro Trace Buffer (MTB) Memories 64KB in-system self-programmable Flash 8KB SRAM Memory System Power-on reset (POR) and brownout detection (BOD) Internal and external clock options with 48MHz Digital Frequency Locked Loop (DFLL48M) and 48MHz to 96MHz Fractional Digital Phase Locked Loop (FDPLL96M) External Interrupt Controller (EIC) 16 external interrupts One non-maskable interrupt Two-pin Serial Wire Debug (SWD) programming, test and debugging interface Low Power Idle and standby sleep modes SleepWalking peripherals Peripherals 12channel Direct Memory Access Controller (DMAC) 12channel Event System Three 16bit Timer/Counters (TC), configurable as either: One 16bit TC with two compare/capture channels One 8bit TC with two compare/capture channels One 32bit TC with two compare/capture channels, by using two TCs Three 24bit Timer/Counters for Control (TCC), with extended functions: Up to four compare channels with optional complementary output Generation of synchronized pulse width modulation (PWM) pattern across port pins Deterministic fault protection, fast decay and configurable dead-time between complementary output Dithering that increase resolution with up to 5 bit and reduce quantization error 32bit Real Time Counter (RTC) with clock/calendar function Watchdog Timer (WDT) CRC32 generator Four Serial Communication Interfaces (SERCOM), each configurable to operate as either: USART with full-duplex and single-wire half-duplex configuration I2C up to 3.4MHz SPI LIN slave One 12bit, 350ksps Analog-to-Digital Converter (ADC) with up to 14 channels Differential and single-ended input 1/2x to 16x programmable gain stage Automatic offset and gain error compensation Oversampling and decimation in hardware to support 13, 14, 15or 16bit resolution 10-bit, 350ksps Digital-to-Analog Converter (DAC) Four Analog Comparators (AC) with window compare function I/O 26 GPIO pins Packages 32-pin QFN Operating Voltage 1.62V - 3.63V