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参数资料
| 型号： | MB89T623PFV |
| 元件分类： | 微控制器/微处理器 |
| 英文描述： | 8-BIT, 10 MHz, MICROCONTROLLER, PQFP64 |
| 封装： | 0.50 MM PITCH, PLASTIC, SQFP-64 |
| 文件页数： | 7/61页 |
| 文件大小： | 934K |
| 代理商： | MB89T623PFV |
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MB89620 Series
15
s PROGRAMMING TO THE EPROM ON THE MB89P625
The MB89P625 is an OTPROM version of the MB89620 series.
1. Features
16-Kbyte PROM on chip
Options can be set using the EPROM programmer.
Equivalency to the MBM27C256A in EPROM mode (when programmed with the EPROM programmer)
2. Memory Space
Memory space in each mode such as 16-Kbyte PROM, option area is diagrammed below.
3. Programming to the EPROM
In EPROM mode, the MB89P625 functions equivalent to the MBM27C256A. This allows the PROM to be
programmed with a general-purpose EPROM programmer (the electronic signature mode cannot be used) by
using the dedicated socket adapter.
When the operating ROM area for a single chip is 16 Kbytes (C000H to FFFFH) the PROM can be programmed
as follows:
Programming procedure
(1) Set the EPROM programmer to the MBM27C256A.
(2) Load program data into the EPROM programmer at 4000H to 7FFFH (note that addresses C000H to FFFFH
while operating as a single chip assign to 4000H to 7FFFH in EPROM mode).
Load option data into addresses 3FF0H to 3FF6H of the EPROM programmer. (For information about each
corresponding option, see “4. Setting OTPROM Options.”)
(3) Program to 3FF0H to 7FFFH with the EPROM programmer.
I/O
RAM
External area
PROM
16 KB
EPROM
16 KB
Vacancy
(Read value: FFH)
Option area
0000H
0080H
0280H
BFF0H
BFF6H
C000H
FFFFH
3FF0H
3FF6H
4000H
7FFFH
Address
Single chip
EPROM mode
(Corresponding addresses on the EPROM programmer)
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