Datasheet > 12C672

12C672

更新时间： 2024-11-13 22:08:55

品牌	Logo	应用领域
美国微芯 - MICROCHIP		存储可编程只读存储器电动程控只读存储器
页数	文件大小	规格书
14页	177K
描述
EPROM Memory Programming Specification

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12C672 数据手册

PIC12C67X AND PIC12CE67X

EPROM Memory Programming Speciﬁcation

This document includes the programming

speciﬁcations for the following devices:

Pin Diagram:

PDIP

• PIC12C671

• PIC12C672

• PIC12CE673

• PIC12CE674

VSS

VDD

GP0/AN0

GP1/AN1/VREF

GP5/OSC1/CLKIN

GP4/OSC2/AN3/

CLKOUT

GP3/MCLR/VPP

GP2/T0CKI/

AN2/INT

1.0

PROGRAMMING THE

PIC12C67X AND PIC12CE67X

The PIC12C67X and PIC12CE67X can be pro-

grammed using a serial method. In serial mode the

PIC12C67X and PIC12CE67X can be programmed

while in the users system. This allows for increased

design ﬂexibility.

1.1

Hardware Requirements

The PIC12C67X and PIC12CE67X requires two pro-

grammable power supplies, one for VDD (2.0V to 6.0V

recommended) and one for VPP (12V to 14V). Both

supplies should have a minimum resolution of 0.25V.

1.2

Programming Mode

The programming mode for the PIC12C67X and

PIC12CE67X allows programming of user program

memory, special locations used for ID, and the conﬁgu-

ration word for the PIC12C67X and PIC12CE67X.

PIN DESCRIPTIONS (DURING PROGRAMMING): PIC12C671/672 and PIC12CE673/674

During Programming

Pin Name

CLOCK

DATA

VPP

Pin Type

Pin Description

GP1

GP0

I/O

Clock input

Data input/output

Programming Power

Power Supply

Ground

GP3/MCLR/VPP

VDD

VSS

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

1998 Microchip Technology Inc.

DS40175A-page 1

12 3 4 5 6 7...14

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