參數(shù)資料
型號(hào)： MB90P553A
廠商： Fujitsu Limited
英文描述： 16-bit Proprietary Microcontroller
中文描述： 16位微控制器專(zhuān)有
文件頁(yè)數(shù)： 20/58頁(yè)
文件大?。?/td> 695K
代理商： MB90P553A
MB90550A/550B Series
20
I
MEMORY MAP
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 00C000
H
, the contents of the ROM at FFC000
H
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 FF4000
H
to FFFFFF
H
looks, therefore, as if it were the image for 004000
H
to 00FFFF
H
.
Thus, it is recommended that the ROM data table be stored in the area of FF4000
H
to FFFFFF
H
.
RAM
RAM
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
FFFFFF
H
FF0000
H
010000
H
Address#1
Address#2
Address#3
004000
H
002000
H
000100
H
0000C0
H
0000D0
H
ROM
area
ROM
area
ROM area
(image of
bank FF)
ROM area
(image of
bank FF)
Peripheral
Peripheral
Peripheral
Registor
Registor
Registor
Parts No.
Address#1
Address#2
Address#3
MB90552A/552B
FF0000
H
004000
H
000900
H
MB90553A/553B
FE0000
H
004000
H
001100
H
MB90F553A
FE0000
H
004000
H
001100
H
MB90P553A
FE0000
H
004000
H
001100
H
MB90V550A
(FE0000
H
)
004000
H
001900
H
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