PIC16C71.PDF

PIC16C71X

8-Bit CMOS Microcontrollers with A/D Converter

Devices included in this data sheet:

PIC16C71X Peripheral Features:

• PIC16C710

• PIC16C71

• PIC16C711

• PIC16C715

• Timer0: 8-bit timer/counter with 8-bit prescaler

• 8-bit multichannel analog-to-digital converter

• Brown-out detection circuitry for

Brown-out Reset (BOR)

• 13 I/O Pins with Individual Direction Control

PIC16C71X 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 2K x 14 words of Program Memory,

up to 128 x 8 bytes of Data Memory (RAM)

• Interrupt capability

• 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

• Wide operating voltage range: 2.5V to 6.0V

• High Sink/Source Current 25/25 mA

• Commercial, Industrial and Extended temperature

ranges

• Program Memory Parity Error Checking Circuitry

with Parity Error Reset (PER) (PIC16C715)

• Low-power consumption:

- < 2 mA @ 5V, 4 MHz

- 15

PIC16C7X Features

710 71 711 715

Program Memory (EPROM)

x 14

512 1K 1K 2K

Data Memory (Bytes) x 8 36 36 68 128

I/O Pins 13 13 13 13

Timer Modules 1 1 1 1

A/D Channels 4 4 4 4

In-Circuit Serial Programming Yes Yes Yes Yes

Brown-out Reset

Yes — Yes Yes

Interrupt Sources

Pin Diagrams

PDIP, SOIC, Windowed CERDIP

RA2/AN2

RA3/AN3/V REF

RA4/T0 CKI

MCLR/V PP

V SS

RB0/INT

RB1

RB2

RB3

• 1

RA1/AN1

RA0/AN0

OSC1/CLKIN

OSC2/CLKOUT

V DD

RB7

RB6

RB5

RB4

SSOP

RA2/AN2

RA3/AN3/V REF

RA4/T0 CKI

MCLR/V PP

V SS

RB0/INT

RB1

RB2

RB3

• 1

RA1/AN1

RA0/AN0

OSC1/CLKIN

OSC2/CLKOUT

V DD

A typical @ 3V, 32 kHz

V DD

RB7

RB6

RB5

RB4

- < 1

A typical standby current

1997 Microchip Technology Inc.

DS30272A-page 1

PIC16C71X

Table of Contents

1.0 General Description .................................................................................................................................................................... 3

2.0 PIC16C71X Device Varieties...................................................................................................................................................... 5

3.0 Architectural Overview................................................................................................................................................................ 7

4.0 Memory Organization ............................................................................................................................................................... 11

5.0 I/O Ports.................................................................................................................................................................................... 25

6.0 Timer0 Module.......................................................................................................................................................................... 31

7.0 Analog-to-Digital Converter (A/D) Module ................................................................................................................................ 37

8.0 Special Features of the CPU .................................................................................................................................................... 47

9.0 Instruction Set Summary .......................................................................................................................................................... 69

10.0 Development Support ............................................................................................................................................................... 85

11.0 Electrical Characteristics for PIC16C710 and PIC16C711 ....................................................................................................... 89

12.0 DC and AC Characteristics Graphs and Tables for PIC16C710 and PIC16C711.................................................................. 101

13.0 Electrical Characteristics for PIC16C715................................................................................................................................ 111

14.0 DC and AC Characteristics Graphs and Tables for PIC16C715 ............................................................................................ 125

15.0 Electrical Characteristics for PIC16C71.................................................................................................................................. 135

16.0 DC and AC Characteristics Graphs and Tables for PIC16C71 .............................................................................................. 147

17.0 Packaging Information ............................................................................................................................................................ 155

Appendix A: ...................................................................................................................................................................................... 161

Appendix B: Compatibility................................................................................................................................................................. 161

Appendix C: What’s New .................................................................................................................................................................. 162

Appendix D: What’s Changed .......................................................................................................................................................... 162

Index .................................................................................................................................................................................................. 163

PIC16C71X Product Identification System......................................................................................................................................... 173

To Our Valued Customers

We constantly strive to improve the quality of all our products and documentation. We have spent an exceptional

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DS30272A-page 2

1997 Microchip Technology Inc.

PIC16C71X

1.0 GENERAL DESCRIPTION

A highly reliable Watchdog Timer with its own on-chip

RC oscillator provides protection against software lock-

up.

A UV erasable CERDIP packaged version is ideal for

code development while the cost-effective One-Time-

Programmable (OTP) version is suitable for production

in any volume.

The PIC16C71X family ﬁts perfectly in applications

ranging from security and remote sensors to appliance

control and automotive. The EPROM technology

makes customization of application programs (trans-

mitter codes, motor speeds, receiver frequencies, etc.)

extremely fast and convenient. The small footprint

packages make this microcontroller series perfect for

all applications with space limitations. Low cost, low

power, high performance, ease of use and I/O ﬂexibility

make the PIC16C71X very versatile even in areas

where no microcontroller use has been considered

before (e.g. timer functions, serial communication, cap-

ture and compare, PWM functions and coprocessor

applications).

low-cost, high-perfor-

mance, CMOS, fully-static, 8-bit microcontrollers with

integrated analog-to-digital (A/D) converters, in the

PIC16CXX mid-range family.

All PIC16/17 microcontrollers employ an advanced

RISC architecture. The PIC16CXX microcontroller fam-

ily has enhanced core features, eight-level deep stack,

and multiple internal and external interrupt sources.

The separate instruction and data buses of the Harvard

architecture allow a 14-bit wide instruction word with

the separate 8-bit wide data. The two stage instruction

pipeline allows all instructions to execute in a single

cycle, except for program branches which require two

cycles. A total of 35 instructions (reduced instruction

set) are available. Additionally, a large register set gives

some of the architectural innovations used to achieve a

very high performance.

PIC16CXX microcontrollers typically achieve a 2:1

code compression and a 4:1 speed improvement over

other 8-bit microcontrollers in their class.

The

PIC16C710/71

devices have 36 bytes of RAM, the

1.1

Family and Upward Compatibility

PIC16C711

has 68 bytes of RAM and the

PIC16C715

Users familiar with the PIC16C5X microcontroller fam-

ily will realize that this is an enhanced version of the

PIC16C5X architecture. Please refer to Appendix A for

a detailed list of enhancements. Code written for the

PIC16C5X can be easily ported to the PIC16CXX fam-

ily of devices (Appendix B).

pins. In

addition a timer/counter is available. Also a 4-channel

high-speed 8-bit A/D is provided. The 8-bit resolution is

ideally suited for applications requiring low-cost analog

interface, e.g. thermostat control, pressure sensing,

etc.

The PIC16C71X family has special features to reduce

external components, thus reducing cost, enhancing

system reliability and reducing power consumption.

There are four oscillator options, of which the single pin

RC oscillator provides a low-cost solution, the LP oscil-

lator minimizes power consumption, XT is a standard

crystal, and the HS is for High Speed crystals. The

SLEEP (power-down) feature provides a power saving

mode. The user can wake up the chip from SLEEP

through several external and internal interrupts and

resets.

1.2

Development Support

PIC16C71X devices are supported by the complete

line of Microchip Development tools.

Please refer to Section 10.0 for more details about

Microchip’s development tools.

1997 Microchip Technology Inc.

DS30272A-page 3

The PIC16C71X is a family of

has 128 bytes of RAM. Each device has 13 I/O

PIC16C71X

TABLE 1-1:

PIC16C71X FAMILY OF DEVICES

PIC16C710 PIC16C71 PIC16C711 PIC16C715 PIC16C72 PIC16CR72

(1)

Clock

Maximum Frequency

of Operation (MHz)

EPROM Program Memory

(x14 words)

512

—

Memory

ROM Program Memory

(14K words)

—

Data Memory (bytes)

128

Timer Module(s)

TMR0

TMR0,

TMR1,

TMR2

TMR0,

TMR1,

TMR2

Peripherals

Capture/Compare/PWM

Module(s)

—

Serial Port(s)

(SPI/I

—

SPI/I

C, USART)

Parallel Slave Port

—

A/D Converter (8-bit) Channels 4

Interrupt Sources

I/O Pins

Voltage Range (Volts)

2.5-6.0

3.0-6.0

2.5-6.0

2.5-5.5

2.5-6.0

3.0-5.5

Features

In-Circuit Serial Programming Yes

Yes

Brown-out Reset

Yes

—

Yes

Packages

18-pin DIP,

SOIC;

20-pin SSOP

18-pin DIP,

SOIC

18-pin DIP,

SOIC;

20-pin SSOP

18-pin DIP,

SOIC;

20-pin SSOP

28-pin SDIP,

SOIC, SSOP

28-pin SDIP,

SOIC, SSOP

PIC16C73A

PIC16C74A

PIC16C76

PIC16C77

Clock

Maximum Frequency

of Operation (MHz)

EPROM Program Memory

(x14 words)

Memory

Data Memory (bytes)

192

376

Timer Module(s)

TMR0,

TMR1,

TMR2

TMR0,

TMR1,

TMR2

TMR0,

TMR1,

TMR2

TMR0,

TMR1,

TMR2

Peripherals

Capture/Compare/PWM

Module(s)

Serial Port(s)

(SPI/I

SPI/I

C, USART

SPI/I

C, USART

SPI/I

C, USART

SPI/I

C, USART

C, USART)

Parallel Slave Port

—

Yes

—

Yes

A/D Converter (8-bit) Channels 5

Interrupt Sources

I/O Pins

Voltage Range (Volts)

2.5-6.0

Features

In-Circuit Serial Programming Yes

Yes

Brown-out Reset

Yes

Packages

28-pin SDIP,

SOIC

40-pin DIP;

44-pin PLCC,

MQFP, TQFP

28-pin SDIP,

SOIC

40-pin DIP;

44-pin PLCC,

MQFP, TQFP

All PIC16/17 Family devices have Power-on Reset, selectable Watchdog Timer, selectable code protect and high I/O current capabil-

ity. All PIC16C7XX Family devices use serial programming with clock pin RB6 and data pin RB7.

Note 1: Please contact your local Microchip sales ofﬁce for availability of these devices.

DS30272A-page 4

1997 Microchip Technology Inc.

PIC16C71X

2.0 PIC16C71X DEVICE VARIETIES

2.3

Quick-Turnaround-Production (QTP)

Devices

A variety of frequency ranges and packaging options

are available. Depending on application and production

requirements, the proper device option can be selected

using the information in the PIC16C71X Product Iden-

tiﬁcation System section at the end of this data sheet.

When placing orders, please use that page of the data

sheet to specify the correct part number.

For the PIC16C71X family, there are two device “types”

as indicated in the device number:

71. These devices have

EPROM type memory and operate over the

standard voltage range.

, as in PIC16

Microchip offers a QTP Programming Service for fac-

tory production orders. This service is made available

for users who choose not to program a medium to high

quantity of units and whose code patterns have stabi-

lized. The devices are identical to the OTP devices but

with all EPROM locations and conﬁguration options

already programmed by the factory. Certain code and

prototype veriﬁcation procedures apply before produc-

tion shipments are available. Please contact your local

Microchip Technology sales ofﬁce for more details.

2.4

Serialized Quick-Turnaround

Production (SQTP

71. These devices have

EPROM type memory and operate over an

extended voltage range.

, as in PIC16

) Devices

Microchip offers a unique programming service where

a few user-deﬁned locations in each device are pro-

grammed with different serial numbers. The serial num-

bers may be random, pseudo-random, or sequential.

Serial programming allows each device to have a

unique number which can serve as an entry-code,

password, or ID number.

2.1

UV Erasable Devices

The UV erasable version, offered in CERDIP package

is optimal for prototype development and pilot

programs. This version can be erased and

reprogrammed to any of the oscillator modes.

Microchip's PICSTART

programmers both support programming of the

PIC16C71X.

Plus and PROMATE

2.2

One-Time-Programmable (OTP)

Devices

The availability of OTP devices is especially useful for

customers who need the ﬂexibility for frequent code

updates and small volume applications.

The OTP devices, packaged in plastic packages, per-

mit the user to program them once. In addition to the

program memory, the conﬁguration bits must also be

programmed.

1997 Microchip Technology Inc.

DS30272A-page 5

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