PIC16LF87XT-20P datasheet, PDF

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PIC16LF87XT-20P: Description28/40-Pin 8-Bit CMOS FLASH Microcontrollers; File Size2MB，218 Pages; ManufacturerMicrochip; Websitehttps://www.microchip.com

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PIC16LF87XT-20P Overview

28/40-Pin 8-Bit CMOS FLASH Microcontrollers

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PIC16F87X

28/40-Pin 8-Bit CMOS FLASH Microcontrollers

Devices Included in this Data Sheet:

• PIC16F873

• PIC16F874

• PIC16F876

• PIC16F877

Pin Diagram

PDIP

MCLR/V

RA0/AN0

RA1/AN1

RA2/AN2/V

REF

RA3/AN3/V

REF

RA4/T0CKI

RA5/AN4/SS

RE0/RD/AN5

RE1/WR/AN6

RE2/CS/AN7

OSC1/CLKIN

OSC2/CLKOUT

RC0/T1OSO/T1CKI

RC1/T1OSI/CCP2

RC2/CCP1

RC3/SCK/SCL

RD0/PSP0

RD1/PSP1

RB7/PGD

RB6/PGC

RB5

RB4

RB3/PGM

RB2

RB1

RB0/INT

RD7/PSP7

RD6/PSP6

RD5/PSP5

RD4/PSP4

RC7/RX/DT

RC6/TX/CK

RC5/SDO

RC4/SDI/SDA

RD3/PSP3

RD2/PSP2

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

• Up to 8K x 14 words of FLASH Program Memory,

Up to 368 x 8 bytes of Data Memory (RAM)

Up to 256 x 8 bytes of EEPROM Data Memory

• Pinout compatible to the PIC16C73B/74B/76/77

• Interrupt capability (up to 14 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 FLASH/EEPROM

technology

• Fully static design

• In-Circuit Serial Programming(ICSP)via two

pins

• Single 5V In-Circuit Serial Programming capability

• In-Circuit Debugging via two pins

• Processor read/write access to program memory

• Wide operating voltage range: 2.0V to 5.5V

• High Sink/Source Current: 25 mA

• Commercial, Industrial and Extended temperature

ranges

• Low-power consumption:

- < 0.6 mA typical @ 3V, 4 MHz

- 20

A

typical @ 3V, 32 kHz

- < 1

A

typical standby current

PIC16F877/874

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

• 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

• 10-bit multi-channel Analog-to-Digital converter

• Synchronous Serial Port (SSP) with SPI (Master

mode) and I



(Master/Slave)

• Universal Synchronous Asynchronous Receiver

Transmitter (USART/SCI) with 9-bit address

detection

• Parallel Slave Port (PSP) 8-bits wide, with

external RD, WR and CS controls (40/44-pin only)

• Brown-out detection circuitry for

Brown-out Reset (BOR)



1998-2013 Microchip Technology Inc.

DS30292D-page 1

PIC16F87X

Table of Contents

1.0 Device Overview ................................................................................................................................................... 5

2.0 Memory Organization.......................................................................................................................................... 11

3.0 I/O Ports .............................................................................................................................................................. 29

4.0 Data EEPROM and FLASH Program Memory.................................................................................................... 41

5.0 Timer0 Module .................................................................................................................................................... 47

6.0 Timer1 Module .................................................................................................................................................... 51

7.0 Timer2 Module .................................................................................................................................................... 55

8.0 Capture/Compare/PWM Modules ....................................................................................................................... 57

9.0 Master Synchronous Serial Port (MSSP) Module ............................................................................................... 65

10.0 Addressable Universal Synchronous Asynchronous Receiver Transmitter (USART) ........................................ 95

11.0 Analog-to-Digital Converter (A/D) Module......................................................................................................... 111

12.0 Special Features of the CPU............................................................................................................................. 119

13.0 Instruction Set Summary................................................................................................................................... 135

14.0 Development Support ....................................................................................................................................... 143

15.0 Electrical Characteristics................................................................................................................................... 149

16.0 DC and AC Characteristics Graphs and Tables................................................................................................ 177

17.0 Packaging Information ...................................................................................................................................... 189

Appendix A: Revision History .................................................................................................................................... 197

Appendix B: Device Differences ................................................................................................................................ 197

Appendix C: Conversion Considerations ................................................................................................................... 198

Index .......................................................................................................................................................................... 199

On-Line Support ......................................................................................................................................................... 207

Reader Response ...................................................................................................................................................... 208

PIC16F87X Product Identification System ................................................................................................................. 209

TO OUR VALUED CUSTOMERS

It is our intention to provide our valued customers with the best documentation possible to ensure successful use of your Microchip

products. To this end, we will continue to improve our publications to better suit your needs. Our publications will be refined and

enhanced as new volumes and updates are introduced.

If you have any questions or comments regarding this publication, please contact the Marketing Communications Department via

E-mail at

docerrors@mail.microchip.com

or fax the

Reader Response Form

in the back of this data sheet to (480) 792-4150.

We welcome your feedback.

Most Current Data Sheet

To obtain the most up-to-date version of this data sheet, please register at our Worldwide Web site at:

http://www.microchip.com

You can determine the version of a data sheet by examining its literature number found on the bottom outside corner of any page.

The last character of the literature number is the version number, (e.g., DS30000A is version A of document DS30000).

Errata

An errata sheet, describing minor operational differences from the data sheet and recommended workarounds, may exist for current

devices. As device/documentation issues become known to us, we will publish an errata sheet. The errata will specify the revision

of silicon and revision of document to which it applies.

To determine if an errata sheet exists for a particular device, please check with one of the following:

• Microchip’s Worldwide Web site; http://www.microchip.com

• Your local Microchip sales office (see last page)

• The Microchip Corporate Literature Center; U.S. FAX: (480) 792-7277

When contacting a sales office or the literature center, please specify which device, revision of silicon and data sheet (include liter-

ature number) you are using.

Customer Notification System

www.microchip.com/cn

to receive the most current information on all of our products.

DS30292D-page 4



1998-2013 Microchip Technology Inc.

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