ST6253CB3 datasheet(84/86 Pages) STMICROELECTRONICS

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ST6253C/60B/63B

1.3 ORDERING INFORMATION

The following section deals with the procedure for

transfer of customer codes to STMicroelectronics.

1.3.1 Transfer of Customer Code

Customer code is made up of the ROM contents

and the list of the selected mask options. The ROM

contents are to be sent on diskette, or by electronic

means, with the hexadecimal file generated by the

development tool. All unused bytes must be set to

FFh.

The selected mask options are communicated to

STMicroelectronics using the correctly filled OP-

TION LIST appended.

1.3.2 Listing Generation and Verification

When STMicroelectronics receives the user’s ROM

contents, a computer listing is generated from it.

This listing refers exactly to the mask which will be

used to produce the specified MCU. The listing is

then returned to the customer who must thoroughly

check, complete, sign and return it to STMicroelec-

tronics. The signed listing forms a part of the con-

tractual agreement for the creation of the specific

customer mask.

The STMicroelectronics Sales Organization will be

pleased to provide detailed information on contrac-

tual points.

Table 1. ROM Memory Map for ST6260B

Table 2. ROM Memory Map for ST6253C/63B

Device Address

Descriptio n

0000h-007Fh

0080h-0F9Fh

0FA0h-0FEFh

0FF0h-0FF7h

0FF8h-0FFBh

0FFCh-0FFDh

0FFEh-0FFFh

Reserved

User ROM

Reserved

Interrupt Vectors

Reserved

NMI Interrupt Vector

Reset Vector

Device Address

Descriptio n

0000h-087Fh

0880h-0F9Fh

0FA0h-0FEFh

0FF0h-0FF7h

0FF8h-0FFBh

0FFCh-0FFDh

0FFEh-0FFFh

Reserved

User ROM

Reserved

Interrupt Vectors

Reserved

NMI Interrupt Vector

Reset Vector

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