PIC16F684-I/P 8-bit PICmicro microcontroller, 3.5 KB, 20 MHz, DIP-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