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C h a p t e r 8
Using the OTP Programmer
Introduction
The OTP (One Time Programmable) programmer is a programming tool
designed for the Holtek 8-bit OTP chips. The programmer can operate in
either on-line or in stand alone mode. The connection between the PC host
and the OTP programmer should first be setup in the on-line mode. In the
on-line mode the Windows based software utility within the HT-IDE is
necessary for control of the OTP programmer. In the stand alone mode, the
OTP programmer is controlled through push buttons on the OTP program-
mer without assistance from the PC host.
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Components of the programmer
The programmer consists of the following components:
•
An 8031 single chip
•
A 32-pin DIP TEXTOOL, a 20-pin DIP TEXTOOL and a 16-pin DIP
TEXTOOL or only a 40-pin DIP TEXTOOL
•
A 16
×
1 LCM for displaying operation messages
•
Five push buttons, four for input commands and one for reset
•
A 25 pin D-type female connector
•
A header of dual row pins for expansion
8
Chapter 8 Using the OTP Programmer
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Содержание HT-IDE
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