参数资料
型号: MB89PV950CF
元件分类: 微控制器/微处理器
英文描述: 8-BIT, 5 MHz, MICROCONTROLLER, CQFP64
封装: 0.80 MM PITCH, PIGGY BACK, MQFP-64
文件页数: 11/110页
文件大小: 619K
代理商: MB89PV950CF
APPENDIX
App.– 5
Appendix B Writing EPROM
Functions equivalent to the MBM27C256A can be used in the MB89P955 EPROM mode. Accordingly, the
user can write data with a general-purpose EPROM writer by using a dedicated adapter. Note that the
electrical signature mode is not supported.
Writing procedure
(1) Set the EPROM writer for the MBM27C256A.
(2) Load program data from 4000
H to 7FFFH of the EPROM writer (Note that 0C000H to 0FFFFH in the
operation mode are equivalent to 4000
H to 7FFFH in the EPROM mode).
Load option data from 3FF0
H to 3FF6H of the EPROM writer (See Bit Map on the next page for the
correspondence to each option).
(3) Write the data with the EPROM writer.
The memory space in the EPROM mode is shown below.
ROM writer adapter (by SUN HAYATO)
0000H
Prohibition
PROM
0080H
0280H
8000H
BFF0H
BFF6H
FFFFH
C000H
3FF0H
3FF7H
4000H
7FFFH
Program area
(PROM)
Vacant area
(Read value FFH)
Option setting area
Vacant area
(Read value FFH)
The address at normal operation
The address at EPROM mode
I/O
RAM
Prohibition
Option setting area
Prohibition
Adapter model number
ROM-64QF2-28DP-8L3
FPT-64P-M09
Package number
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