ST62P55B ST62P65B
1 GENERAL DESCRIPTION
1.1 INTRODUCTION
The ST62P55B and ST62P65B are the Factory
Advanced Service Technique ROM (FASTROM)
versions of ST62T55B and ST62T65B OTP devic-
es.
They offer the same functionality as OTP devices,
selecting as FASTROM options the options de-
fined in the programmable option byte of the OTP
version.
1.2 ORDERING INFORMATION
The following section deals with the procedure for
transfer of customer codes to SGS-THOMSON.
1.2.1 Transfer of Customer Code
Customer code is made up of the ROM contents
and the list of the selected FASTROM 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 options are communicated to SGS-
THOMSON using the correctly filled OPTION LIST
appended.
1.2.2 Listing Generation and Verification
When SGS-THOMSON receives the user’s ROM
contents, a computer listing is generated from it.
This listing refers exactly to the ROM contents and
options 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 SGS-THOMSON. The signed listing
forms a part of the contractual agreement for the
production of the specific customer MCU.
The SGS-THOMSON Sales Organization will be
pleased to provide detailed information on con-
tractual points.
Table 1. ROM Memory Map for ST62P55B/P65B
Device Address
0000h-007Fh
0080h-0F9Fh
0FA0h-0FEFh
0FF0h-0FF7h
0FF8h-0FFBh
0FFCh-0FFDh
0FFEh-0FFFh
Description
Reserved
User ROM
Reserved
Interrupt Vectors
Reserved
NMI Interrupt Vector
Reset Vector
Table 2. FASTROM version Ordering Information
Sales Type
ST62P55BB1/XXX
ST62P55BB6/XXX
ST62P55BB3/XXX (*)
ST62P55BM1/XXX
ST62P55BM6/XXX
ST62P55BM3/XXX (*)
ST62P65BB1/XXX
ST62P65BB6/XXX
ST62P65BB3/XXX (*)
ST62P65BM1/XXX
ST62P65BM6/XXX
ST62P65BM3/XXX (*)
ROM
3884 Bytes
EEPROM (Bytes)
None
128
(*) Advanced information
Temperature Range
0 to +70°C
-40 to + 85°C
-40 to + 125°C
0 to +70°C
-40 to + 85°C
-40 to + 125°C
0 to +70°C
-40 to + 85°C
-40 to + 125°C
0 to +70°C
-40 to + 85°C
-40 to + 125°C
Package
PDIP28
PSO28
PDIP28
PSO28
68/74
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