8-bit PICmicro microcontroller, 3.5 KB, 20 MHz, SO-14

14-Pin, Flash-Based 8-Bit CMOS Microcontrollers with nanoWatt Technology

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:
- 11µA @ 32 kHz, 2.0V, typical
- 220µA @ 4 MHz, 2.0V, typical
- Watchdog Timer Current: 1µA @ 2.0V, typical

Peripheral Features:
- 12 I/O pins with individual direction control:
- High current source/sink for direct LED drive
- Interrupt-on-change pin
- Individually programmable weak pull-ups
- Ultra Low-Power Wake-Up (ULPWU)
- Analog Comparator module with:
- Two analog comparators
- Programmable on-chip voltage reference (CVREF) module (% of VDD)
- Comparator inputs and outputs externally accessible
- A/D Converter: 10-bit resolution and 8 channels
- Timer0: 8-bit timer/counter with 8-bit programmable prescaler
- Enhanced Timer1:
- 16-bit timer/counter with prescaler
- External Timer1 Gate (count enable)
- Option to use OSC1 and OSC2 in LP mode as Timer1 oscillator if INTOSC mode selected
- Timer2: 8-bit timer/counter with 8-bit period register, prescaler and postscaler
- Enhanced Capture, Compare, PWM module:
- 16-bit Capture, max resolution 12.5 ns
- Compare, max resolution 200 ns
- 10-bit PWM with 1, 2 or 4 output channels, programmable “dead time", max frequency 20 kHz
- In-Circuit Serial ProgrammingTM (ICSPTM) via two pins