參數(shù)資料
型號: MB90F574A
廠商: Fujitsu Limited
英文描述: Octal Bus Transceivers And Registers With 3-State Outputs 24-CFP -55 to 125
中文描述: 16位微控制器專有
文件頁數(shù): 20/135頁
文件大?。?/td> 2504K
代理商: MB90F574A
20
MB90570 Series
I
MEMORY MAP
Note: 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 is 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 actually. 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 00400
H
to 00FFFF
H
. Thus, it is recommended that the ROM data table be stored in the area of FF4000
H
to FFFFFF
H
.
Part number
MB90573
MB90574/C
MB90F574/A
Address #1*
FE0000
H
FC0000
H
FC0000
H
Address #2
*
004000
H
004000
H
004000
H
Address #3
*
001800
H
002900
H
002900
H
FFFFFF
H
Address #1
FC0000
H
010000
H
Address #2
Address #3
000100
H
0000C0
H
000000
H
ROM area
ROM area
ROM area
(image of
bank FF)
ROM area
(image of
bank FF)
RAM
RAM
RAM
Register
Register
Register
Peripheral
Peripheral
Peripheral
Internal ROM
external bus mode
A mirror function
is supported.
External ROM
external bus mode
: Internal access memory
: External access memory
: Inhibited area
*: Addresses #1, #2 and #3 are unique to the product type.
004000
H
Single chip mode
A mirror function is
supported.
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