16F87 Datasheet PDF - Microchip Technology


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16F87
Microchip Technology

Part Number 16F87
Description PIC16F87
Page 30 Pages

16F87 datasheet pdf
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PIC16F87/88
Data Sheet
18/20/28-Pin Enhanced Flash
Microcontrollers with
nanoWatt Technology
2005 Microchip Technology Inc.
DS30487C



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Note the following details of the code protection feature on Microchip devices:
• Microchip products meet the specification contained in their particular Microchip Data Sheet.
• Microchip believes that its family of products is one of the most secure families of its kind on the market today, when used in the
intended manner and under normal conditions.
• There are dishonest and possibly illegal methods used to breach the code protection feature. All of these methods, to our
knowledge, require using the Microchip products in a manner outside the operating specifications contained in Microchip’s Data
Sheets. Most likely, the person doing so is engaged in theft of intellectual property.
• Microchip is willing to work with the customer who is concerned about the integrity of their code.
• Neither Microchip nor any other semiconductor manufacturer can guarantee the security of their code. Code protection does not
mean that we are guaranteeing the product as “unbreakable.”
Code protection is constantly evolving. We at Microchip are committed to continuously improving the code protection features of our
products. Attempts to break Microchip’s code protection feature may be a violation of the Digital Millennium Copyright Act. If such acts
allow unauthorized access to your software or other copyrighted work, you may have a right to sue for relief under that Act.
Information contained in this publication regarding device
applications and the like is provided only for your convenience
and may be superseded by updates. It is your responsibility to
ensure that your application meets with your specifications.
MICROCHIP MAKES NO REPRESENTATIONS OR WAR-
RANTIES OF ANY KIND WHETHER EXPRESS OR IMPLIED,
WRITTEN OR ORAL, STATUTORY OR OTHERWISE,
RELATED TO THE INFORMATION, INCLUDING BUT NOT
LIMITED TO ITS CONDITION, QUALITY, PERFORMANCE,
MERCHANTABILITY OR FITNESS FOR PURPOSE.
Microchip disclaims all liability arising from this information and
its use. Use of Microchip’s products as critical components in
life support systems is not authorized except with express
written approval by Microchip. No licenses are conveyed,
implicitly or otherwise, under any Microchip intellectual property
rights.
Trademarks
The Microchip name and logo, the Microchip logo, Accuron,
dsPIC, KEELOQ, microID, MPLAB, PIC, PICmicro, PICSTART,
PRO MATE, PowerSmart, rfPIC, and SmartShunt are
registered trademarks of Microchip Technology Incorporated
in the U.S.A. and other countries.
AmpLab, FilterLab, Migratable Memory, MXDEV, MXLAB,
PICMASTER, SEEVAL, SmartSensor and The Embedded
Control Solutions Company are registered trademarks of
Microchip Technology Incorporated in the U.S.A.
Analog-for-the-Digital Age, Application Maestro, dsPICDEM,
dsPICDEM.net, dsPICworks, ECAN, ECONOMONITOR,
FanSense, FlexROM, fuzzyLAB, In-Circuit Serial
Programming, ICSP, ICEPIC, MPASM, MPLIB, MPLINK,
MPSIM, PICkit, PICDEM, PICDEM.net, PICLAB, PICtail,
PowerCal, PowerInfo, PowerMate, PowerTool, rfLAB,
rfPICDEM, Select Mode, Smart Serial, SmartTel and Total
Endurance are trademarks of Microchip Technology
Incorporated in the U.S.A. and other countries.
SQTP is a service mark of Microchip Technology Incorporated
in the U.S.A.
All other trademarks mentioned herein are property of their
respective companies.
© 2005, Microchip Technology Incorporated, Printed in the
U.S.A., All Rights Reserved.
Printed on recycled paper.
DS30487C-page ii
Microchip received ISO/TS-16949:2002 quality system certification for
its worldwide headquarters, design and wafer fabrication facilities in
Chandler and Tempe, Arizona and Mountain View, California in
October 2003. The Company’s quality system processes and
procedures are for its PICmicro® 8-bit MCUs, KEELOQ® code hopping
devices, Serial EEPROMs, microperipherals, nonvolatile memory and
analog products. In addition, Microchip’s quality system for the design
and manufacture of development systems is ISO 9001:2000 certified.
2005 Microchip Technology Inc.



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PIC16F87/88
18/20/28-Pin Enhanced Flash MCUs with nanoWatt Technology
Low-Power Features:
• Power-Managed modes:
- Primary Run: RC oscillator, 76 µA, 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
Pin Diagram
18-Pin PDIP, SOIC
RA2/AN2/CVREF/
VREF-
RA3/AN3/VREF+/
C1OUT
RA4/AN4/T0CKI/
C2OUT
RA5/MCLR/VPP
VSS
RB0/INT/CCP1(1)
RB1/SDI/SDA
RB2/SDO/RX/DT
RB3/PGM/CCP1(1)
1 18 RA1/AN1
2 17 RA0/AN0
3 16 RA7/OSC1/CLKI
4 15 RA6/OSC2/CLKO
5 14 VDD
6
13
RB7/AN6/PGD/
T1OSI
7
12
RB6/AN5/PGC/
T1OSO/T1CKI
8 11 RB5/SS/TX/CK
9 10 RB4/SCK/SCL
Note 1: The CCP1 pin is determined by the CCPMX bit in
Configuration Word 1 register.
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
Device
Program Memory
Flash # Single-Word
(bytes) Instructions
PIC16F87 7168
PIC16F88 7168
4096
4096
Data Memory
SRAM EEPROM
(bytes) (bytes)
I/O
Pins
10-bit
A/D (ch)
CCP
(PWM)
AUSART
Comparators
368 256 16 N/A 1
368 256 16 1
1
Y
Y
2
2
SSP
Y
Y
Timers
8/16-bit
2/1
2/1
2005 Microchip Technology Inc.
DS30487C-page 1



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PIC16F87/88
Pin Diagrams
18-Pin PDIP, SOIC
RA2/AN2/CVREF
RA3/AN3/C1OUT
RA4/T0CKI/C2OUT
RA5/MCLR/VPP
VSS
RB0/INT/CCP1(1)
RB1/SDI/SDA
RB2/SDO/RX/DT
RB3/PGM/CCP1(1)
1
2
3
4
5
6
7
8
9
20-Pin SSOP
RA2/AN2/CVREF
RA3/AN3/C1OUT
RA4/T0CKI/C2OUT
RA5/MCLR/VPP
VSS
VSS
RB0/INT/CCP1(1)
RB1/SDI/SDA
RB2/SDO/RX/DT
RB3/PGM/CCP1(1)
1
2
3
4
5
6
7
8
9
10
18-Pin PDIP, SOIC
RA2/AN2/CVREF/VREF-
RA3/AN3/VREF+/C1OUT
RA4/AN4/T0CKI/C2OUT
RA5/MCLR/VPP
VSS
RB0/INT/CCP1(1)
RB1/SDI/SDA
RB2/SDO/RX/DT
RB3/PGM/CCP1(1)
1
2
3
4
5
6
7
8
9
20-Pin SSOP
RA2/AN2/CVREF/VREF-
RA3/AN3/VREF+/C1OUT
RA4/AN4/T0CKI/C2OUT
RA5/MCLR1/VPP
VSS
VSS
RB0/INT/CCP1(1)
RB1/SDI/SDA
RB2/SDO/RX/DT
RB3/PGM/CCP1(1)
1
2
3
4
5
6
7
8
9
10
18 RA1/AN1
17 RA0/AN0
16 RA7/OSC1/CLKI
15 RA6/OSC2/CLKO
14 VDD
13 RB7/PGD/T1OSI
12 RB6/PGC/T1OSO/T1CKI
11 RB5/SS/TX/CK
10 RB4/SCK/SCL
20 RA1/AN1
19 RA0/AN0
18 RA7/OSC1/CLKI
17 RA6/OSC2/CLKO
16 VDD
15 VDD
14 RB7/PGD/T1OSI
13 RB6/PGC/T1OSO/T1CKI
12 RB5/SS/TX/CK
11 RB4/SCK/SCL
18 RA1/AN1
17 RA0/AN0
16 RA7/OSC1/CLKI
15 RA6/OSC2/CLKO
14 VDD
13 RB7/AN6/PGD/T1OSI
12 RB6/AN5/PGC/T1OSO/T1CKI
11 RB5/SS/TX/CK
10 RB4/SCK/SCL
20 RA1/AN1
19 RA0/AN0
18 RA7/OSC1/CLKI
17 RA6/OSC2/CLKO
16 VDD
15 VDD
14 RB7/AN6/PGD/T1OSI
13 RB6/AN5/PGC/T1OSO/T1CKI
12 RB5/SS/TX/CK
11 RB4/SCK/SCL
Note 1: The CCP1 pin is determined by the CCPMX bit in Configuration Word 1 register.
DS30487C-page 2
2005 Microchip Technology Inc.




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