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DEVICE OVERVIEW

This document contains device specific information for the operation of the PIC16F87/88 devices. Additional information may be found in the “PIC? Mid-Range MCU Family Reference Manual” (DS33023) which may be downloaded from the Microchip web site. This 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.

Low-Power Features:

? Power-Managed modes:

- Primary Run: RC oscillator, 76 ?A, 1 MHz, 2V

- RC_RUN: 7 μA, 31.25 kHz, 2V

- SEC_RUN: 9 μA, 32 kHz, 2V

- Sleep: 0.1 μA, 2V

? Timer1 Oscillator: 1.8 μA, 32 kHz, 2V

? Watchdog Timer: 2.2 μA, 2V

? Two-Speed Oscillator Start-up

Oscillators:

? Three Crystal modes: - LP, XT, HS: up to 20 MHz

? Two External RC modes

? One External Clock mode: - ECIO: up to 20 MHz

? Internal oscillator block: - 8 user selectable frequencies: 31 kHz, 125 kHz, 250 kHz, 500 kHz, 1 MHz, 2 MHz, 4 MHz, 8 MHz

Peripheral Features:

? Capture, Compare, PWM (CCP) 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

? 10-bit, 7-channel Analog-to-Digital Converter

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

? Addressable Universal Synchronous Asynchronous Receiver Transmitter (AUSART/SCI) with 9-bit address detection:

- RS-232 operation using internal oscillator (no external crystal required)

? Dual Analog Comparator module:

- Programmable on-chip voltage reference

- Programmable input multiplexing from device inputs and internal voltage reference

- Comparator outputs are externally accessible

Special Microcontroller Features:

? 100,000 erase/write cycles Enhanced Flash program memory typical

? 1,000,000 typical erase/write cycles EEPROM data memory typical

? EEPROM Data Retention: > 40 years

? In-Circuit Serial Programming? (ICSP?) via two pins

? Processor read/write access to program memory

? Low-Voltage Programming

? In-Circuit Debugging via two pins

? Extended Watchdog Timer (WDT):

- Programmable period from 1 ms to 268s

? Wide operating voltage range: 2.0V to 5.5V