ST6377 datasheet(81/84 Pages) STMICROELECTRONICS

81 / 84 page

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ST63E85, T85 ST63E87, T87

3 GENERAL INFORMATION

3.1 ORDERING INFORMATION

The following chapter deals with the procedure for

transfer the Program/Data ROM codes to SGS-

THOMSON.

Communication of the ROM Codes. To commu-

nicate the contents of Program/Data ROM memo-

ries to SGS-THOMSON, the customer must send:

– one file in INTEL INTELLEC 8/MDS FORMAT

(either as an EPROM or as a MS-DOS diskette)

for the PROGRAM Memory;

– one file in INTEL INTELLEC 8/MDS FORMAT

(either as an EPROM or as a MS-DOS diskette)

for the EEPROM initial content (this file is option-

al).

The program ROM should respect the ROM Mem-

ory Map as in Table 4.

The ROM code must be generated with an ST6

assembler. Before programming the EPROM, the

EPROM programmer buffer must be filled with

FFh.

For shipment to SGS-THOMSON, the master

EPROMs should be placed in a conductive IC car-

rier and packed carefully.

3.2 CUSTOMER EEPROM INITIAL CONTENTS:

FORMAT

a. The content should be written into an INTEL

INTELLEC format file.

b In the case of 384 bytes of EEPROM, the start-

ing address is 000h and the end address is

7Fh. The order of the pages (64 bytes each) is

an in the specification (i.e. b7, b1 b0: 001, 010,

011, 101, 110. 111).

c. Undefined or don't care bytes should have the

content FFh.

3.3 OSD TEST CHARACTER

IN ORDER TO ALLOW THE TESTING OF THE

ON-CHIP OSD MACROCELL THE FOLLOWING

CHARACTER MUST BE PROVIDED AT THE

FIXED 3Fh (63) POSITION OF THE SECOND

OSD BANK.

Listing

Generation

Verification.

When

SGS-THOMSON receives the files, a computer

listing is generated from them. This listing refers

extractly to the mask that will be used to produce

the microcontroller. Then the listing is returned to

the customer that must thoroughly check, com-

plete, sign and return it to SGS-THOMSON. The

signed list constitutes a part of the contractual

agreement for the creation of the customer mask.

SGS-THOMSON sales organization will provide

detailed information on contractual points.

Figure 5. OSD Test Character

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