8-bit PICmicro microcontroller, 3.5 KB, 20 MHz, DIP-28

PIC16F882/883/884/886/887
28/40/44-Pin, Enhanced Flash-Based 8-Bit CMOS Microcontrollers

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%
- Software selectable frequency range of 8 MHz to 31 kHz
- Software tunable
- Two-Speed Start-up mode
- Crystal fail detect for critical applications
- Clock mode switching during operation for power savings
- 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
- Program Memory Read/Write during run time
- In-Circuit Debugger (on board)

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:
- 24/35 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)
- Fixed voltage reference (0.6V)
- Comparator inputs and outputs externallyaccessible
- SR Latch mode
- External Timer1 Gate (count enable)
- A/D Converter: 10-bit resolution and 11/14 channels
- Timer0: 8-bit Timer/Counter with 8-bit Programmable Prescaler
- Enhanced Timer1:
- 16-bit timer/counter with prescaler
- External Gate Input mode
- Dedicated low-power 32 kHz oscillator
- 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
- PWM output steering control
- Capture, Compare, PWM Module:
- 16-bit Capture, max. resolution 12.5 ns
- 16-bit Compare, max. resolution 200 ns
- 10-bit PWM, max. frequency 20 kHz
- Enhanced USART Module:
- Supports RS-485, RS-232, and LIN 2.0
- Auto-Baud Detect
- Auto-Wake-Up on Start bit
- In-Circuit Serial ProgrammingTM (ICSPTM) via Two Pins
- Master Synchronous Serial Port (MSSP) Module supporting 3-wire SPI (all 4 modes) and I2C™ Master and Slave Modes with I2C Address Mask