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DEVICE OVERVIEW

This document contains device-specific information. Additional information may be found in the PICmicro? Mid-Range Reference Manual, (DS33023), which may be obtained from your local Microchip Sales Representative or downloaded from the Microchip website. The Reference Manual should be considered a complementary document to this data sheet, and is highly recommended reading for a better understanding of the device architecture and operation of the peripheral modules.

Microcontroller Core Features:

? High-performance RISC CPU

? Only 35 single word instructions to learn

? All single cycle instructions except for program branches which are two cycle

? Operating speed: DC - 20 MHz clock input

DC - 200 ns instruction cycle

? Interrupt capability (up to 10 internal/external interrupt sources)

? Eight level deep hardware stack

? Direct, indirect and relative addressing modes

? Power-on Reset (POR)

? Power-up Timer (PWRT) and Oscillator Start-up Timer (OST)

? Watchdog Timer (WDT) with its own on-chip RC oscillator for reliable operation

? Selectable oscillator options:

- INTRC - Internal RC, dual speed (4MHz and 37KHz) dynamically switchable for power savings

- ER - External resistor, dual speed (user selectable frequency and 37KHz) dynamically switchable for power savings

- EC - External clock

- HS - High speed crystal/resonator

- XT - Crystal/resonator

- LP - Low power crystal

? Low-power, high-speed CMOS EPROM technology

? In-Circuit Serial Programming? (ISCP)

? Wide operating voltage range: 2.5V to 5.5V

? 15 I/O pins with individual control for:

- Direction (15 pins)

- Digital/Analog input (6 pins)

- PORTB interrupt on change (8 pins)

- PORTB weak pull-up (8 pins)

- High voltage open drain (1 pin)

? Commercial and Industrial temperature ranges

? Low-power consumption:

- < 2 mA @ 5V, 4 MHz

- 22.5 μA typical @ 3V, 32 kHz

-

Peripheral Features:

? Timer0: 8-bit timer/counter with 8-bit prescaler

? Timer1: 16-bit timer/counter with prescaler, can be incremented during sleep via external crystal/clock

? Timer2: 8-bit timer/counter with 8-bit period register, prescaler and postscaler

? Enhanced Capture, Compare, PWM (ECCP) module

- Capture is 16 bit, max. resolution is 12.5 ns

- Compare is 16 bit, max. resolution is 200 ns

- PWM max. resolution is 10 bit

- Enhanced PWM:

- Single, Half-Bridge and Full-Bridge output modes

- Digitally programmable deadband delay

? Analog-to-Digital converter:

- PIC16C770/771 12-bit resolution

- PIC16C717 10-bit resolution

? On-chip absolute bandgap voltage reference generator

? Programmable Brown-out Reset (PBOR) circuitry

? Programmable Low-Voltage Detection (PLVD) circuitry

? Master Synchronous Serial Port (MSSP) with two modes of operation:

- 3-wire SPI? (supports all 4 SPI modes)

- I2C? compatible including master mode support

? Program Memory Read (PMR) capability for look up table, character string storage and checksum calculation purposes