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參數(shù)資料
| 型號： | M37906F8CSP |
| 廠商： | Mitsubishi Electric Corporation |
| 英文描述： | 16-BIT CMOS MICROCOMPUTER |
| 中文描述： | 16位CMOS微機 |
| 文件頁數(shù)： | 13/35頁 |
| 文件大?。?/td> | 316K |
| 代理商： | M37906F8CSP |
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16-BIT CMOS MICROCOMPUTER
M37906F8CFP, M37906F8CSP
MITSUBISHI MICROCOMPUTERS
PRELIMINARY
Notice: This is not a final specification.
Some parametric limits are subject to change.
13
Flash Memory Parallel I/O Mode
The flash memory parallel I/O mode is used to manipulate the inter-
nal flash memory with a parallel programmer. This parallel program-
mer uses the software commands listed in Table 1 to do the flash
memory manipulations, such as read/programming/erase opera-
tions.
Table 1. Software commands (flash memory parallel I/O mode)
Software Command
Read Array
Read Status Register
Clear Status Register
Programming
Block Erase
Erase All Block
User ROM Area and Boot ROM Area
The user ROM area and boot ROM area can be reprogrammed in
the flash memory parallel I/O mode.
The programming and block erase operations can be performed only
to these areas.
The boot ROM area, 8 Kbytes in size, is assigned to addresses
0000
16
–
1FFF
16
, so that programming and block erase operations
can be performed only to this area. (Access to any address out of
this area is prohibited).
The erasable block in the boot ROM area is only one block, consist-
ing of 8 Kbytes. The reprogramming control firmware to be used in
the flash memory serial I/O mode has been stored to this boot ROM
area on our shipment. Therefore, do not reprogram the boot ROM
area if the user uses the flash memory serial I/O mode.
Do not program to addresses FF90
16
to FF9F
16
because this area is
the reserved area for the programmer.
Note that, when the boot ROM area is read out from the CPU in the
CPU reprogramming mode, described later, its addresses will be
shifted to E000
16
—
FFFF
16
.
Addresses FF90
16
to FF9F
16
are the reserved area for the parallel
programmer. Therefore, when the user uses the flash memory paral-
lel I/O mode, do not program to this area.
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