T89C51RD2-3CSCM View Datasheet(PDF) - Atmel Corporation

Part Name

Description

Manufacturer

T89C51RD2-3CSCM

0 to 40MHz Flash Programmable 8-bit Microcontroller

Atmel Corporation 

Flash Memory Status

T89C51RD2 parts are delivered in standard with the ISP boot in the Flash memory.

After ISP or parallel programming, the possible contents of the Flash memory are sum-

marized on the figure below:

Figure 21. Flash Memory Possible Contents

Boot

FC00h

Boot

Boot

Boot

Boot

Virgin

Application

Virgin

or appli

Application

Virgin

or appli

Virgin

or appli

0000h

Default

After ISP

Dedicated

ISP

After ISP

Dedicated

ISP

After parallel After parallel After parallel

programming programming programming

58 T89C51RD2

4243G–8051–05/03

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