參數(shù)資料
型號(hào)： MB89F202PFV
廠商： FUJITSU LTD
元件分類(lèi)： 微控制器/微處理器
英文描述： 8-Bit Proprietary Microcontroller
中文描述： 8-BIT, FLASH, 12.5 MHz, MICROCONTROLLER, PDSO34
封裝： PLASTIC, SSOP-34
文件頁(yè)數(shù)： 13/44頁(yè)
文件大?。?/td> 427K
代理商： MB89F202PFV
MB89202 Series
13
7.
Flash Content Protection
Flash content can be read using parallel / serial programmer if the flash content protection mechanism is not
activated.
One predefined area of the flash (FFFC
H
) is assigned to be used for preventing the read access of flash content.
If the protection code "01
H
" is written in this address (FFFC
H
), the flash content cannot be read by any parallel/
serial programmer.
Note : The program written into the flash cannot be verified once the flash protection code is written ("01
H
" in
FFFC
H
). It is advised to write the flash protection code at last.
■
PROGRAMMING TO THE EPROM WITH EVALUATION PRODUCT DEVICE
1.
EPROM for Use
MBM27C256A (DIP-28)
Memory Space.
2.
3.
Programming to the EPROM
(1) Set the EPROM programmer to the MBM27C256A.
(2) Load program data into the EPROM programmer at 0000
H
to 7FFF
H
.
(3) Program to 0000
H
to 7FFF
H
with the EPROM programmer.
0000
H
Address
0080
H
0280
H
8000
H
FFFF
H
0000
H
Address
7FFF
H
I/O
Normal operating mode
RAM 512 bytes
Not available
PROM 32 Kbytes
EPROM 32 Kbytes
Corresponding adresses on the
ROM programmer
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