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參數(shù)資料
| 型號(hào)： | MB91151APMC-G |
| 廠商： | FUJITSU LTD |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | RISC MICROCONTROLLER, PQFP144 |
| 封裝： | 20 X 20 MM, 1.70 MM HEIGHT, 0.50 MM PITCH, PLASTIC, LFQFP-144 |
| 文件頁(yè)數(shù)： | 57/96頁(yè) |
| 文件大小： | 2300K |
| 代理商： | MB91151APMC-G |
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MB91151A Series
60
DS07-16312-2E
12. External Bus Interface
The external bus interface controls the interface between the external memory and the external I/O. Its features
are as follows :
24-bit (16 MB) address output
An 8/16-bit bus width can be set by chip select area.
Inserts an automatic and programmable memory wait (for seven cycles at maximum) .
Unused addresses/data pins are available as I/O ports.
Support for little endian mode
When use of a clock doubler, bus speed is half of CPU.
The use is not allowed when the external bus exceeds 25 MHz.
Block Diagram
Write
buffer
Read
buffer
Address
buffer
Switch
A-Out
M
U
X
External DATA Bus
ASR
AMR
Registers
&
Control
External pin controller
3
4
Shifter
Comparator
Controls all blocks.
Inpage
+1 or +2
Data Block
Address Block
External
Address Bus
CS0 to CS3
RD
WR0, WR1
BRQ
BGRNT
RDY
CLK
Address
Bus
Data
Bus
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MB91151APMT2-G | 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:32-bit Proprietary Microcontrollers |
| MB91154 | 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:32-bit Proprietary Microcontrollers |
| MB91154PFV-G | 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:32-bit Proprietary Microcontrollers |
| MB91154PFV-G-XXX | 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:32-bit Proprietary Microcontrollers |
| MB91155 | 制造商:FUJITSU 制造商全稱:Fujitsu Component Limited. 功能描述:32-bit Proprietary Microcontrollers |
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