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參數(shù)資料
| 型號： | PT7A6526 |
| 英文描述： | 50V Fast Recovery Diode in a DO-203AB (DO-5) package |
| 中文描述： | 單通道協(xié)議控制器？ |用戶手冊PT7A6525（6）在中斷演示模式？（PDF格式系統(tǒng)） |
| 文件頁數(shù)： | 3/41頁 |
| 文件大?。?/td> | 1640K |
| 代理商： | PT7A6526 |
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11
PT Pericom Technology Inc.
The Demo Board of PT7A6525
in DMA Mode
Figure 6 shows the process of reception of a frame in
the Demo Program. The DMA transfer which is shown
in Figure 4 has finished before this process.
Read ISTA register
of PT7A6525
Read RBCH register
of PT7A6525
RME interrupt?
Yes
No
Display "No Frame"
Read RBCL register
of PT7A6525
Read RSTA register
of PT7A6525
Clear Byte Pointer
Flip-Flop of 8237
Read Data from
System Memory
Re-initialize the Base Address
register of Channel 0 of 8237
Re-initialize the Base Word Count
register of Channel 0 of 8237
Send RMC command
to PT7A6525
(Write 80 to CMDR
register)
End
Figure 6. The Process of Reception of a Frame
Note: In re-initialization, the Word Count register of
8237 is set as 7Fh to receive the frame of maxi-
mum length.
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| PT7A6527 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Quad-channel Protocol Controller? | Demo board Schematic and Program?(PDF) |
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| PT7A7511 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:4.63V Reset Active Low Supervisor? |
| PT7A7512 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:4.38V Reset Active Low Supervisor? |
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