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參數資料
| 型號： | MB91307RPFV |
| 廠商： | FUJITSU LTD |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 32-Bit Microcontroller |
| 中文描述： | 32-BIT, 66 MHz, RISC MICROCONTROLLER, PQFP120 |
| 封裝： | LEAD FREE, PLASTIC, LQFP-120 |
| 文件頁數： | 32/96頁 |
| 文件大?。?/td> | 963K |
| 代理商： | MB91307RPFV |
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MB91307 Series
32
Use of Built-in RAM
The MB91307R contains 128K bytes of internal RAM, and MB91306R contains 64K bytes of internal RAM. To
enable use of this RAM, the mode register must be set to internal ROM external bus mode (ROMA=1).
Precautions for use of this model
The reset vector is fixed at 000F FFFC
H
.
For the MB91307R, the 128K bytes RAM area is from 0004 0000
H
to 0005 FFFF
H
and for the MB91306R, the
64K bytes RAM area is from 0004 0000
H
to 0004 FFFF
H
. The area from 0006 0000
H
to 000F FFFF
H
is access
prohibited.
In order to use RAM the mode register must be set to internal ROM external bus mode.
In internal ROM external bus mode the built-in RAM area can be used, but the vector area 000F FFXX
H
is an
internal area and cannot be accessed externally. Please refer to the following explanation.
When placing instruction code in RAM, nothing should be placed in the last 8 bytes of the area 0005 FFF8
H
to 0005 FFFF
H
. (This is an instruction code prohibited area.)
0000 0000
H
0000 0400
H
0001 0000
H
0004 0000
H
0006 0000
H
0010 0000
H
FFFF FFFF
H
I/O
I/O
I/O
I/O
I/O
I/O
0005 0000
H
Direct addressing
area
Refer to I/O map
Access
prohibited
External area
Access
prohibited
External area
After reset release
After mode setting
Internal ROM external bus mode
Internal RAM
128K bytes
Access
prohibited
External area
External area
After mode register setting the vector area is an internal area. Therefore before writing to the mode register
it is necessary to rewrite the TBR register so that the vector area is changed to an external area.
External area
Access
prohibited
Access
prohibited
Internal RAM
64K bytes
: The shaded portion is an internal area.
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相關代理商/技術參數 |
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|---|---|
| MB91310 | 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:Proprietary 32-bit Microcontroller |
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| MB91316 | 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:32-bit Proprietary Microcontrollers |
| MB91316A | 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:32-bit Proprietary Microcontrollers |
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