High-Performance RISC CPU:
• Only 35 instructions to learn:
- All single-cycle instructions except branches
• Operating speed:
- DC – 20 MHz oscillator/clock input
- DC – 200 ns instruction cycle
• Interrupt capability
• 8-level deep hardware stack
• Direct, Indirect and Relative Addressing modes
Special Microcontroller Features:
• Precision Internal Oscillator:
- Factory calibrated to ±1%, typical
- Software selectable frequency range of 8 MHz to 125 kHz
- Software tunable
- Two-Speed Start-up mode
- Crystal fail detect for critical applications
- Clock mode switching during operation for power savings
• Software Selectable 31 kHz Internal Oscillator
• Power-Saving Sleep mode
• Wide operating voltage range (2.0V-5.5V)
• Industrial and Extended Temperature range
• Power-on Reset (POR)
• Power-up Timer (PWRT) and Oscillator Start-up Timer (OST)
• Brown-out Reset (BOR) with software control option
• Enhanced low-current Watchdog Timer (WDT) with on-chip oscillator
(software selectable nominal 268 seconds with full prescaler) with
software enable
• Multiplexed Master Clear with pull-up/input pin
• Programmable code protection
• High Endurance Flash/EEPROM cell:
- 100,000 write Flash endurance
- 1,000,000 write EEPROM endurance
- Flash/Data EEPROM retention: > 40 years
Low-Power Features:
• Standby Current:
- 50 nA @ 2.0V, typical
• Operating Current:
- 11 μA @ 32 kHz, 2.0V, typical
- 220 μA @ 4 MHz, 2.0V, typical
• Watchdog Timer Current:
- 1 μA @ 2.0V, typical
