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參數(shù)資料
| 型號： | MB90M407PF |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | MICROCONTROLLER, PQFP100 |
| 封裝： | 14 X 20 MM, 3.35 MM HEIGHT, 0.65 MM PITCH, PLASTIC, QFP-100 |
| 文件頁數(shù)： | 6/68頁 |
| 文件大?。?/td> | 1486K |
| 代理商： | MB90M407PF |
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MB90M405 Series
14
DS07-13718-3E
■ 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 “FF4000H to FFFFFFH” allows a mirror image of
the data table to be shown in “004000H to 00FFFFH”. 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
(“FF4000H to FFFFFFH”) can be seen in the upper side of bank 00 (“004000H to 00FFFFH”) .
See “
■ PERIPHERAL FUNCTIONS 15. ROM Mirror Function Selection Module” for details on setting the ROM
mirror function.
FFFFFFH
010000H
000100H
0000C0H
000000H
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
FE8000H
004000H
001100H
MB90M408
FE0000H
004000H
001100H
MB90MF408
FE0000H
004000H
001100H
MB90MV405
F80000H*
004000H
001100H
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