Digital I/O:• Up to 85 programmable digital I/O pins • Wake-up/Interrupt-on-Change on up to 24 pins• Output pins can drive from 3.0V to 3.6V • All digital input pins are 5V tolerant• 4 mA sink on all I/O pinsOn-Chip Flash and SRAM:• Flash program memory, up to 256 Kbytes • Data SRAM, up to 30 Kbytes (includes 2 Kbytesof DMA RAM):System Management:• Flexible clock options: – External, crystal, resonator, internal RC- Fully integrated PLL – Extremely low jitter PLL• Power-up Timer • Oscillator Start-up Timer/Stabilizer• Watchdog Timer with its own RC oscillator • Fail-Safe Clock Monitor• Reset by multiple sourcesPower Management:• On-chip 2.5V voltage regulator • Switch between clock sources in real time• Idle, Sleep and Doze modes with fast wake-upTimers/Capture/Compare/PWM:• Timer/Counters, up to nine 16-bit timers:- Can pair up to make four 32-bit timers- 1 timer runs as Real-Time Clock with external32.768 kHz oscillator- Programmable prescaler • Input Capture (up to eight channels):- Capture on up, down or both edges – 16-bit capture input functions- 4-deep FIFO on each capture• Output Compare (up to eight channels):- Single or Dual 16-Bit Compare mode – 16-bit Glitchless PWM modeDatasheet..  Core Processor
Core Size
Program Memory Size
64KB (64K x 8)
Program Memory Type
Voltage – Supply (Vcc/Vdd)
3 V ~ 3.6 V
Operating Temperature
-40°C ~ 85°C
Package / Case
RAM Size
16K x 8