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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

? 4K x 14 words of Program Memory, 256 x 8 bytes of Data Memory (RAM)

? Interrupt capability (up to 14 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

? Programmable code-protection

? Power saving SLEEP mode

? Selectable oscillator options

? Low-power, high-speed CMOS EPROM technology

? Fully static design

? In-Circuit Serial Programming??(ISCP?

? Wide operating voltage range: 2.5V to 5.5V

? High Sink/Source Current 25/25 mA

? 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

? Two Capture, Compare, PWM modules

? 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

? 12-bit multi-channel Analog-to-Digital converter

? On-chip absolute bandgap voltage reference generator

? Synchronous Serial Port (SSP) with SPI? (Master Mode) and I2C?

? Universal Synchronous Asynchronous Receiver Transmitter, supports high/low speeds and 9-bit address mode (USART/SCI)

? Parallel Slave Port (PSP) 8-bits wide, with external RD, WR and CS controls

? Programmable Brown-out detection circuitry for Brown-out Reset (BOR)

? Programmable Low-voltage detection circuitry