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APPLICATION NOTE

M16C/62 Group

How to check the Flash Version on M16C/62

1.0 Abstract

The following article introduces and shows an example of how to check the internal Flash Version on M16C/62

group device.

2.0 Introduction

The Flash devices of the M16C/62 group have various types of Flash inside. Depending on the exact

typenumber of the microcontroller, different Flash technologies and processes are used. The M16C/62A series

has for example DINOR Flash technology inside, whereas the M16C/62P series utilizes HND Flash

technology. If more than one series is used in a product and the program needs to be updated in the field, it is

required to detect the correct type in order to apply the correct Flash programming algorithm in CPU

programming mode.

Here a method is presented how to do this for any M16C series by a 鈥淔lash identification register鈥?

REB05B0002-0102Z

May 2003

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