PIC16F87XAI/L datasheet, PDF - EEWORLD Datasheet

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PIC16F87XAI/L: Description28/40/44-Pin Enhanced Flash Microcontrollers; File Size2MB，234 Pages; ManufacturerMicrochip; Websitehttps://www.microchip.com

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PIC16F87XAI/L Overview

28/40/44-Pin Enhanced Flash Microcontrollers

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PIC16F87XA

28/40/44-Pin Enhanced Flash Microcontrollers

Devices Included in this Data Sheet:

• PIC16F873A

• PIC16F874A

• PIC16F876A

• PIC16F877A

Analog Features:

• 10-bit, up to 8-channel Analog-to-Digital

Converter (A/D)

• Brown-out Reset (BOR)

• Analog Comparator module with:

- Two analog comparators

- Programmable on-chip voltage reference

REF

) module

- Programmable input multiplexing from device

inputs and internal voltage reference

- Comparator outputs are externally accessible

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 other 28-pin or 40/44-pin

PIC16CXXX and PIC16FXXX microcontrollers

Special Microcontroller Features:

• 100,000 erase/write cycle Enhanced Flash

program memory typical

• 1,000,000 erase/write cycle Data EEPROM

memory typical

• Data EEPROM Retention > 40 years

• Self-reprogrammable under software control

• In-Circuit Serial Programming™ (ICSP™)

via two pins

• Single-supply 5V In-Circuit Serial Programming

• Watchdog Timer (WDT) with its own on-chip RC

oscillator for reliable operation

• Programmable code protection

• Power saving Sleep mode

• Selectable oscillator options

• In-Circuit Debug (ICD) via two pins

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

• Synchronous Serial Port (SSP) with SPI

(Master mode) and I

C™



(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)

CMOS Technology:

• Low-power, high-speed Flash/EEPROM

technology

• Fully static design

• Wide operating voltage range (2.0V to 5.5V)

• Commercial and Industrial temperature ranges

• Low-power consumption

Device

MSSP

Data

EEPROM

10-bit

CCP

Timers

Master USART 8/16-bit Comparators

# Single Word SRAM (Bytes) I/O A/D (ch) (PWM)

Bytes

SPI

Instructions (Bytes)

7.2K

4096

8192

192

368

128

256

Yes

2/1

Program Memory

PIC16F873A

PIC16F874A

PIC16F876A 14.3K

PIC16F877A 14.3K



2001-2013 Microchip Technology Inc.

DS39582C-page 1

PIC16F87XA

Table of Contents

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

2.0 Memory Organization................................................................................................................................................................ 15

3.0 Data EEPROM and Flash Program Memory ............................................................................................................................ 33

4.0 I/O Ports.................................................................................................................................................................................... 41

5.0 Timer0 Module .......................................................................................................................................................................... 53

6.0 Timer1 Module .......................................................................................................................................................................... 57

7.0 Timer2 Module .......................................................................................................................................................................... 61

8.0 Capture/Compare/PWM Modules ............................................................................................................................................. 63

9.0 Master Synchronous Serial Port (MSSP) Module..................................................................................................................... 71

10.0 Addressable Universal Synchronous Asynchronous Receiver Transmitter (USART) ............................................................ 111

11.0 Analog-to-Digital Converter (A/D) Module .............................................................................................................................. 127

12.0 Comparator Module ................................................................................................................................................................ 135

13.0 Comparator Voltage Reference Module ................................................................................................................................. 141

14.0 Special Features of the CPU .................................................................................................................................................. 143

15.0 Instruction Set Summary......................................................................................................................................................... 159

16.0 Development Support ............................................................................................................................................................. 167

17.0 Electrical Characteristics......................................................................................................................................................... 173

18.0 DC and AC Characteristics Graphs and Tables ..................................................................................................................... 197

19.0 Packaging Information ............................................................................................................................................................ 209

Appendix A: Revision History ............................................................................................................................................................ 219

Appendix B: Device Differences........................................................................................................................................................ 219

Appendix C: Conversion Considerations........................................................................................................................................... 220

Index ................................................................................................................................................................................................. 221

On-Line Support................................................................................................................................................................................ 229

Systems Information and Upgrade Hot Line ..................................................................................................................................... 229

Reader Response ............................................................................................................................................................................. 230

PIC16F87XA Product Identification System...................................................................................................................................... 231

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.

DS39582C-page 4



2001-2013 Microchip Technology Inc.

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