MB89960 Series
s PROGRAMMING A PIGGYBACK/EVALUATION EPROM
1. EPROM Type
MBM27C256A-20TVM
2. Programming Adaptor
Use the following programming adaptor (made by Sun Hayato Co. Ltd.) to program the EPROM using a ROM
programmer.
• Programming adaptor
Package
LCC-32 (Square)
Enquiries Sun Hayato Co. Ltd. : TEL03-3986-0403
Adaptor Socket Part No.
ROM-32LC-28DP-S
3. Memory Space
Normal operating mode
0000H
0080H
0280H
I/O
RAM
Not available
8000H
EPROM mode
(addresses on ROM programmer)
0000H
Program
area
(PROM)
FFFFH
Program
area
(PROM)
7FFFH
4. EPROM Programming Procedure
(1) Setup the EPROM programmer to the MBM27C256A.
(2) Load the program data into addresses 0000H to 7FFFH in the EPROM programmer.
(3) Use the ROM programmer to program to addresses 0000H to 7FFFH.
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