Microchip Technology, Inc. ATSAMD20J18

A low-power, high-performance Microchip's ARM® Cortex®-M0+ based flash microcontroller, the ATSAMD20J18 is ideal for a wide range of home automation, consumer, metering, and industrial applications. It features: 256KB of flash and 32KB of SRAM Up to 48MHz operating frequency Six serial communication modules (SERCOM) configurable as UART/USART, SPI or I2C, eight 16-bit timer/counters, 32-bit Real Time clock and calendar, 16 PWM channels, one 20-channel 12-bit ADC, one 10-bit DAC Support for up to 256 touch channels 1.62V to 3.63V power supply Easy pin migration to SAMD20E and SAMD20G devices Supported by Atmel Studio, ASF and the SAM D20 Xplained Pro kit Supported by MPLAB X IDE and MPLAB Harmony. Additional Features Processor ARM Cortex-M0+ CPU running at up to 48MHz Single-cycle hardware multiplier Memories 256KB in-system self-programmable Flash 32KB SRAM memory System Power-on reset (POR) and brown-out detection (BOD) Internal and external clock options with 48MHdigital frequency locked loop (DFLL48M) and 48MHto 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 8-channel event system Five 16-bit timer/counters (TC), configurable as either: One 16-bit TC with compare/capture channels One 8-bit TC with compare/capture channels One 32-bit TC with compare/capture channels, by using two TCs 32-bit real time counter (RTC) with clock/calendar function Watchdog timer (WDT) CRC-32 generator Up to six serial communication interfaces (SERCOM), each configurable to operate as either: USART with full-duplex and single-wire half-duplex configuration I2C up to 40kHz SPI One 12-bit, 350ksps analog-to-digital converter (ADC) with 20 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-, 15- or 16-bit resolution 10-bit, 350ksps digital-to-analog converter (DAC) Two analog comparators (AC) with window compare function Peripheral Touch Controller (PTC) 256-channel capacitive touch and proximity sensing I/O 52 GPIO pins Packages 64-pin TQFP, QFN 64-ball UFBGA Operating voltage 1.62V to 3.63V Power Consumption Down to 70µA/MHz in active mode Down to 8µA running the peripheral Touch Controller Temperature range –40 to +105°C