參數(shù)資料
型號: MB89P637-SH
元件分類: 微控制器/微處理器
英文描述: 8-BIT, OTPROM, 10 MHz, MICROCONTROLLER, PDIP64
封裝: SHRINK, DIP-64
文件頁數(shù): 60/153頁
文件大?。?/td> 7326K
代理商: MB89P637-SH
APPENDIX
App.-5
APPENDIX 2 WRITING TO EPROM OF MB89P637
Use of a dedicated conversion socket permits writing to the MB89P637A with a general-purpose EPROM
writ er. This allows the MB89P657A to have the functions equivalent to those of the MBM27C256A.
However, electronic signature mode cannot be used.
<Writing>
(1) Set the EPROM writer to the write mode of the MBM27C256A.
(2) Load program data into the addresses 0007
H to 7FFFH of the EPROM writer.
(Addresses 8000
H to 7FFFH in single-chip operation correspond to the addresses 0000H to
7FFFH in the EPROM mode.)
Load the option information into the addresses 0000
H to 0006H of the EPROM writer.
(See bit map in App. 6 for the correspondence of each option.)
(3) Use the EPROM writer to write data to the addresses 0000
H to 7FFFH.
The memory space in each mode, such as PROM32K and option PROM, is shown below.
Address
Single-chip mode
Address EPROM mode
(Address on ROM writer)
Option
setting area
I/O
0000H
0080H
0480H
8000H
8007H
FFFFH
RAM
Inhibit
PROM
32 K
PROM
32 K
0000H
0007H
7FFFH
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