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參數(shù)資料
| 型號： | MB90M408APF |
| 廠商： | FUJITSU LTD |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 16-Bit Original Microcontroller |
| 中文描述： | 16-BIT, MROM, 16 MHz, MICROCONTROLLER, PQFP100 |
| 封裝： | 0.65 MM PITCH, PLASTIC, QFP-100 |
| 文件頁數(shù)： | 14/64頁 |
| 文件大?。?/td> | 310K |
| 代理商： | MB90M408APF |
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MB90M405 Series
14
■
MEMORY MAP
The purpose of the ROM mirror function is to use a small C compiler model.
The lower 16-bit address of the FF bank is the same as the lower 16-bit address of the 00 bank. However, as
the ROM area of the FF bank exceeds 48 Kbytes, a mirror image of all the data in the ROM area cannot be
shown in the 00 bank.
When using a small C compiler model, storing a data table in “FF4000
H
to FFFFFF
H
” allows a mirror image of
the data table to be shown in “004000
H
to 00FFFF
H
”. Consequently, it is possible to refer to the data table in the
ROM area without declaring a far pointer.
When setting the ROM mirror function register, a mirror image of the data in the upper side of bank FF
(“FF4000
H
to FFFFFF
H
”) can be seen in the upper side of bank 00 (“004000
H
to 00FFFF
H
”) .
See “
■
PERIPHERAL FUNCTIONS 15. ROM Mirror Function Selection Module” for details on setting the ROM
mirror function.
FFFFFF
H
010000
H
000100
H
0000C0
H
000000
H
Single chip mode
(with ROM miror function)
ROM area
Address #1
Address #2
Address #3
ROM area
(image oh FF bank)
Access prohibited
Peripherals
Registers
RAM
area
:
* : V products have no built-in ROM. Show the ROM decode area on the tool side.
Model
Address #1
Address #2
Address #3
MB90M407/A
FE8000
H
004000
H
001100
H
MB90M408/A
FE0000
H
004000
H
001100
H
MB90MF408/A
FE0000
H
004000
H
001100
H
MB90MV405
F80000
H
*
004000
H
001100
H
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