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參數(shù)資料
| 型號(hào)： | MB90456S |
| 廠商： | Fujitsu Limited |
| 英文描述： | 16-bit Proprietary Microcontroller |
| 中文描述： | 16位微控制器專有 |
| 文件頁(yè)數(shù)： | 15/78頁(yè) |
| 文件大?。?/td> | 680K |
| 代理商： | MB90456S |
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MB90455 Series
15
I
MEMORY MAP
MB90455 series allows specifying a memory access mode “single chip mode.”
1.
Memory allocation of MB90455
MB90455 series model has 24-bit wide internal address bus and up to 24-bit bus of external address bus.
A maximum of 16 Mbyte memory space of external access memory is accessible.
Memory map
2.
Note : When internal ROM is operating, F
2
MC-16LX allows viewing ROM data image on FF bank at upper-level of
00 bank. This function is called “mirroring ROM,” which allows effective use of C compiler small model.
F
2
MC-16LX assigns the same low order 16-bit address to FF bank and 00 bank, which allows referencing
table in ROM without specifying “far” using pointer.
For example, when accessing to “00C000
H
”, ROM data at “FFC000
H
” is accessed actually. However, because
ROM area of FF bank exceeds 48 Kbytes, viewing all areas is not possible on 00 bank image. Because ROM
data of “FF4000
H
” to “FFFFFF
H
” is viewed on “004000
H
” to “00FFFF
H
” image, store a ROM data table in area
“FF4000
H
” to “FFFFFF
H
.”
FFFFFF
H
FE0000
H
0 1 0 0 0 0
H
0 0 3 8 0 0
H
0 0 4 0 0 0
H
0 0 0 1 0 0
H
0 0 0 0 C 0
H
0 0 0 0 0 0
H
F F 0 0 0 0
H
Address #2*
1
(with ROM mirroring
function available)
Peripheral
RAM area
Register
Extension IO
area
ROM area
(FF bank image)
ROM area
Address #1*
1
: Internal access memory
: Access disallowed
*1 : Addresses #1 and #3 are product-specific.
*2 : On MB90F455 (S) /F456 (S) /F457 (S) , 455 (S) /456 (S) /457 (S) , to read “FE0000
H
” to
“FEFFFF
H
” is to read out “FF0000
H
” to “FFFFFF
H
”.
ROM area*
2
(with ROM mirroring
function not available)
Peripheral
RAM area
Register
Extension IO
area
ROM area
ROM area*
2
Product
Address #1*
1
Address #2*
1
MB90F455 (S) /455 (S)
000900
H
FFA000
H
MB90F456 (S) /456 (S)
000900
H
FF8000
H
MB90F457 (S) /457 (S)
000900
H
FF0000
H
MB90V495G
001900
H
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| MB90456SPMT | 16-bit Proprietary Microcontroller |
| MB90457PMT | 16-bit Proprietary Microcontroller |
| MB90457S | 16-bit Proprietary Microcontroller |
| MB90457SPMT | 16-bit Proprietary Microcontroller |
| MB90F455 | 16-bit Proprietary Microcontroller |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MB90456SPMT | 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:16-bit Proprietary Microcontroller |
| MB90457 | 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:16-bit Microcontroller |
| MB90457PMT | 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:16-bit Proprietary Microcontroller |
| MB90457S | 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:16-bit Proprietary Microcontroller |
| MB90457SPMT | 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:16-bit Proprietary Microcontroller |
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