Datasheet > PIC16C84

PIC16C84

更新时间： 2024-11-18 22:34:47

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描述
EEPROM Memory Programming Specification

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PIC16C84 数据手册

PIC16C84

EEPROM Memory Programming Speciﬁcation

This document includes the programming

speciﬁcations for the following devices:

Pin Diagram

PDIP, SOIC

• PIC16C84

RA2

RA3

RA4/T0CKI

MCLR

VSS

•1

RA1

RA0

OSC1/CLKIN

OSC2/CLKOUT

VDD

RB7

RB6

RB5

RB4

1.0

PROGRAMMING THE PIC16C84

The PIC16C84 is programmed using the serial method.

The serial mode will allow the PIC16C84 to be pro-

grammed while in the users system. This allows for

increased design ﬂexibility.

RB0/INT

RB1

RB2

RB3

1.1

Hardware Requirements

The PIC16C84 requires one programmable power sup-

ply for VDD (4.5V to 5.5V) and a VPP of 12V to 14V. Both

supplies should have a minimum resolution of 0.25V.

1.2

Programming Mode

The programming mode for the PIC16C84 allows pro-

gramming of user program memory, data memory, spe-

cial locations used for ID, and the conﬁguration word.

PIN DESCRIPTIONS (DURING PROGRAMMING): PIC16C84

During Programming

Pin Name

Pin Type

Pin Description

RB6

RB7

CLOCK

DATA

Clock input

I/O

Data input/output

MCLR

VDD

VTEST MODE

VDD

Program Mode Select

Power Supply

Ground

VSS

Legend: I =Input, O = Output, P = Power

*In PIC16C84, programming high voltage is internally generated. To activate the programming mode, high voltage needs to be applied

to MCLR input. This means that MCLR does not draw any signiﬁcant current.

1996 Microchip Technology Inc.

DS30189D-page 1

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