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参数资料
| 型号： | PT7A6526 |
| 英文描述： | 50V Fast Recovery Diode in a DO-203AB (DO-5) package |
| 中文描述： | 单通道协议控制器？ |用户手册PT7A6525（6）在中断演示模式？（PDF格式系统） |
| 文件页数： | 10/41页 |
| 文件大小： | 1640K |
| 代理商： | PT7A6526 |
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18
PT Pericom Technology Inc.
The Demo Board of PT7A6525
in DMA Mode
Read the Data in Input Buffer
Press the button “Read Buffer” in Main Menu to enter
the Read Buffer Window shown as Figure 13.
Pressing the button “Read” will start to read the data
from the input buffer in the system memory.
The reading process of the demo program is shown in
Figure 6. If a frame reception shown as Figure 4 has
been finished before reading input buffer, the demo
program will get a RME interrupt.
If a RME interrupt has happened, this window will show
the content of ISTA, RBCH, RBCL and RSTA. And
the count of the data byte is shown in a text box. Then
the demo program reads the data in the input buffer
and displays them in the text box “The content of input
buffer”.
Figure 13. Read Buffer Window
After the reading process, the demo program will re-
initialize channel 0 of 8237 and send a RMC command
to PT7A6525.
The length of the frame received is one byte more than
the length transmitted. This byte is the RSTA content
and it is added to the end of the data. This byte can be
seen in Figure 13.
If the reading process is finished correctly, press the
button “OK” to return to Main Menu. Otherwise, an
error message box will be shown.
Note: The count of data is shown in decimal format.
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