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參數(shù)資料
| 型號(hào)： | MB90672 |
| 廠商： | Fujitsu Limited |
| 英文描述： | 16-Bit Proprietary Microcontroller(16位專用微控制器) |
| 中文描述： | 16位微控制器專利（16位專用微控制器） |
| 文件頁(yè)數(shù)： | 27/111頁(yè) |
| 文件大?。?/td> | 736K |
| 代理商： | MB90672 |
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27
MB90670/675 Series
Notes:
While the ROM data image of bank FF can be seen in the upper portion of bank 00, this is done only to permit
effective use of the C compiler’s small model. Because the lower 16 bits are the same, it is possible to
reference tables in ROM without declaring the “far” specification in the pointer.
However, because the ROM area in the MB90678/P678 exceeds 48 Kbytes, the image for FF4000
H
to
FFFFFF
H
can be seen in bank 00, while FF0000
H
to FF3FFF
H
can only be seen in bank FF.
In the MB90670/675 series, the upper four bits of addresses are not output to the external bus. As a result,
the maximum memory space that can actually be accessed is 1MB. In addition, the same address is
accessed by image at the address in a different bank.
In order to prevent the contents of memory and I/O from being destroyed when accessed by image, it is
recommended that programs be written so that the number of banks accessed by the external bus be
limited to 16 with different addresses.
Note that this same situation arises even when masking upper addresses through the external address
output control register.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| MB90P678 | 16-Bit Proprietary Microcontroller(16位專用微控制器) |
| MB90800 | 16-bit Proprietary Microcontroller CMOS |
| MB90803 | 16-bit Proprietary Microcontroller CMOS |
| MB90803PF | 16-bit Proprietary Microcontroller CMOS |
| MB90803SPF | 16-bit Proprietary Microcontroller CMOS |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MB90672PF | 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:16-Bit Proprietary Microcontroller |
| MB90672PFV | 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:16-Bit Proprietary Microcontroller |
| MB90673 | 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:16-Bit Proprietary Microcontroller |
| MB90673PF | 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:16-Bit Proprietary Microcontroller |
| MB90673PFV | 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:16-bit Proprietary Microcontroller |
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