Microchip ATSAMD21J18A-AU, 32bit ARM Cortex M0+ Microcontroller, ATSAMD, 48MHz, 256 kB Flash, 64-Pin TQFP

The Microchip Technology ATSAMD family type, TQFP package, surface mount, 64-pin ARMCortex-M0 based 32-bit microcontroller. It has a maximum voltage rating of 3.63V. This microcontroller operates at a maximum speed of 48MHz and features 256kb ISP flash program memory and 32kb of internal SRAM.

• 12-channel direct memory access controller (DMAC)
• 16 external interrupt
• 350 kbps Digital-to-Analogue Converter (DAC)
• 52 programmable I/O lines
• Five 16-bit timer/counters
• Fully static operation
• On-chip 2-cycle multiplier
• One PWM channel
• One two-channel inter-ic sound (i2s) interface
• Operating temperature ranges between -40°C and 85°C
• Power-on reset and programmable brown-out detection
• Six serial communication modules (SERCOM)
• Six sleep modes- Idle, ADC noise reduction, power-save, power-down, standby and extended standby
• Three 24-bit timers/counters for control (TCC)
• Watchdog timer (WDT)
• Write/Erase cycles- 10,000 flash/100,000 EEPROM

• Consumer appliances
• Home automation
• Industrial
• Metering