Renesas PCA7425 2. Introduction

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2. Introduction
The PCA7425 is a PROM programming adapter for Renesas 4500 Series of 4-bit microcomputers.
The adapter is a tool that can be used to write a program into internal PROM of microcomputers using
a commercially available PROM programmer.
This manual describes the specifications and operation of the PCA7425.
Figure 2.1 shows the external view of the PCA7425 and the constituent parts.
Figure 2.1 External view of the PCA7425 and its constituent parts
2.1 Things to Check When Unpacking
The PCA7425 package consists of the following parts. Check to see that it contains all of the
components shown in below.
Contents of the PCA7425 package
If any part is missing or there is any doubt about your product package, contact your local distributor.
Main unit
Interface unit
Connector
User's manual
PCA7425
PCA7414B
PCA7402D (32-pin)
This manual