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參數(shù)資料
| 型號(hào)： | MB90P553APF |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 16-BIT, OTPROM, 16 MHz, MICROCONTROLLER, PQFP100 |
| 封裝： | PLASTIC, QFP-100 |
| 文件頁數(shù)： | 13/61頁 |
| 文件大?。?/td> | 687K |
| 代理商： | MB90P553APF |
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MB90550A/550B Series
20
The ROM data of bank FF is reflected in the upper address of bank 00, realizing effective use of the C compiler
small model. The lower 16-bit of bank FF and the lower 16-bit of bank 00 are assigned to the same address,
enabling reference of the table on the ROM without stating “far”.
For example, if an attempt has been made to access 00C000H, the contents of the ROM at FFC000H are accessed.
Since the ROM area of the FF bank exceeds 48 Kbytes, the whole area cannot be reflected in the image for the
00 bank. The ROM data at FF4000H to FFFFFFH looks, therefore, as if it were the image for 004000H to 00FFFFH.
Thus, it is recommended that the ROM data table be stored in the area of FF4000H to FFFFFFH.
RAM
: Internal access memory
: External access memory
: Inhibited area
Single chip mode
A mirror function
is supported
Internal ROM
external bus mode
A mirror function
is supported
External ROM
external bus mode
FFFFFFH
FF0000H
010000H
Address#1
Address#2
Address#3
004000H
002000H
000100H
0000C0H
0000D0H
ROM
area
ROM
area
ROM area
(image of
bank FF)
ROM area
(image of
bank FF)
Peripheral
Registor
Parts No.
Address#1
Address#2
Address#3
MB90552A/552B
FF0000H
004000H
000900H
MB90553A/553B
FE0000H
004000H
001100H
MB90F553A
FE0000H
004000H
001100H
MB90P553A
FE0000H
004000H
001100H
MB90V550A
(FE0000H)
004000H
001900H
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