ad9851_pad.txt

经典的dds发生器ad9851vhdl的并行通信代码

|P139      |           |IOB      |IO          |UNUSED   |           |2             |          |         |           |         |       |          |         |           |                |
|P140      |           |IOB      |IO          |UNUSED   |           |2             |          |         |           |         |       |          |         |           |                |
|P141      |           |IOB      |IO          |UNUSED   |           |2             |          |         |           |         |       |          |         |           |                |
|P142      |           |IOB      |IO_D2       |UNUSED   |           |2             |          |         |           |         |       |          |         |           |                |
|P143      |           |         |VCCINT      |         |           |              |          |         |           |         |2.5    |          |         |           |                |
|P144      |           |         |VCCO        |         |           |0             |          |         |           |         |3.30   |          |         |           |                |
|P145      |           |         |GND         |         |           |              |          |         |           |         |       |          |         |           |                |
|P146      |           |IOB      |IO_D1       |UNUSED   |           |2             |          |         |           |         |       |          |         |           |                |
|P147      |           |IOB      |IO_VREF_2   |UNUSED   |           |2             |          |         |           |         |       |          |         |           |                |
|P148      |           |IOB      |IO          |UNUSED   |           |2             |          |         |           |         |       |          |         |           |                |
|P149      |           |IOB      |IO          |UNUSED   |           |2             |          |         |           |         |       |          |         |           |                |
|P150      |           |IOB      |IO_VREF_2   |UNUSED   |           |2             |          |         |           |         |       |          |         |           |                |
|P151      |           |IOB      |IO          |UNUSED   |           |2             |          |         |           |         |       |          |         |           |                |
|P152      |           |IOB      |IO          |UNUSED   |           |2             |          |         |           |         |       |          |         |           |                |
|P153      |           |IOB      |IO_DIN_D0   |UNUSED   |           |2             |          |         |           |         |       |          |         |           |                |
|P154      |           |IOB      |IO_DOUT_BUSY|UNUSED   |           |2             |          |         |           |         |       |          |         |           |                |
|P155      |           |         |CCLK        |         |           |              |          |         |           |         |       |          |         |           |                |
|P156      |           |         |VCCO        |         |           |0             |          |         |           |         |3.30   |          |         |           |                |
|P157      |           |         |TDO         |         |           |              |          |         |           |         |       |          |         |           |                |
|P158      |           |         |GND         |         |           |              |          |         |           |         |       |          |         |           |                |
|P159      |           |         |TDI         |         |           |              |          |         |           |         |       |          |         |           |                |
|P160      |           |IOB      |IO_CS       |UNUSED   |           |1             |          |         |           |         |       |          |         |           |                |
|P161      |           |IOB      |IO_WRITE    |UNUSED   |           |1             |          |         |           |         |       |          |         |           |                |
|P162      |           |IOB      |IO          |UNUSED   |           |1             |          |         |           |         |       |          |         |           |                |
|P163      |           |IOB      |IO          |UNUSED   |           |1             |          |         |           |         |       |          |         |           |                |
|P164      |           |IOB      |IO_VREF_1   |UNUSED   |           |1             |          |         |           |         |       |          |         |           |                |
|P165      |           |IOB      |IO          |UNUSED   |           |1             |          |         |           |         |       |          |         |           |                |
|P166      |           |IOB      |IO          |UNUSED   |           |1             |          |         |           |         |       |          |         |           |                |
|P167      |           |IOB      |IO_VREF_1   |UNUSED   |           |1             |          |         |           |         |       |          |         |           |                |
|P168      |           |IOB      |IO          |UNUSED   |           |1             |          |         |           |         |       |          |         |           |                |
|P169      |           |         |GND         |         |           |              |          |         |           |         |       |          |         |           |                |
|P170      |           |         |VCCO        |         |           |0             |          |         |           |         |3.30   |          |         |           |                |
|P171      |           |         |VCCINT      |         |           |              |          |         |           |         |2.5    |          |         |           |                |
|P172      |           |IOB      |IO          |UNUSED   |           |1             |          |         |           |         |       |          |         |           |                |
|P173      |           |IOB      |IO          |UNUSED   |           |1             |          |         |           |         |       |          |         |           |                |
|P174      |           |IOB      |IO          |UNUSED   |           |1             |          |         |           |         |       |          |         |           |                |
|P175      |           |IOB      |IO          |UNUSED   |           |1             |          |         |           |         |       |          |         |           |                |
|P176      |           |IOB      |IO          |UNUSED   |           |1             |          |         |           |         |       |          |         |           |                |
|P177      |           |         |GND         |         |           |              |          |         |           |         |       |          |         |           |                |
|P178      |           |IOB      |IO_VREF_1   |UNUSED   |           |1             |          |         |           |         |       |          |         |           |                |
|P179      |           |IOB      |IO          |UNUSED   |           |1             |          |         |           |         |       |          |         |           |                |
|P180      |           |IOB      |IO          |UNUSED   |           |1             |          |         |           |         |       |          |         |           |                |
|P181      |           |IOB      |IO          |UNUSED   |           |1             |          |         |           |         |       |          |         |           |                |
|P182      |           |GCLKIOB  |GCK2        |UNUSED   |           |1             |          |         |           |         |       |          |         |           |                |
|P183      |           |         |GND         |         |           |              |          |         |           |         |       |          |         |           |                |
|P184      |           |         |VCCO        |         |           |0             |          |         |           |         |3.30   |          |         |           |                |
|P185      |           |GCLKIOB  |GCK3        |UNUSED   |           |0             |          |         |           |         |       |          |         |           |                |
|P186      |           |         |VCCINT      |         |           |              |          |         |           |         |2.5    |          |         |           |                |
|P187      |           |IOB      |IO          |UNUSED   |           |0             |          |         |           |         |       |          |         |           |                |
|P188      |           |IOB      |IO          |UNUSED   |           |0             |          |         |           |         |       |          |         |           |                |
|P189      |           |IOB      |IO_VREF_0   |UNUSED   |           |0             |          |         |           |         |       |          |         |           |                |
|P190      |           |         |GND         |         |           |              |          |         |           |         |       |          |         |           |                |
|P191      |           |IOB      |IO          |UNUSED   |           |0             |          |         |           |         |       |          |         |           |                |
|P192      |           |IOB      |IO          |UNUSED   |           |0             |          |         |           |         |       |          |         |           |                |
|P193      |           |IOB      |IO          |UNUSED   |           |0             |          |         |           |         |       |          |         |           |                |
|P194      |           |IOB      |IO          |UNUSED   |           |0             |          |         |           |         |       |          |         |           |                |
|P195      |           |IOB      |IO          |UNUSED   |           |0             |          |         |           |         |       |          |         |           |                |
|P196      |           |         |VCCINT      |         |           |              |          |         |           |         |2.5    |          |         |           |                |
|P197      |           |         |VCCO        |         |           |0             |          |         |           |         |3.30   |          |         |           |                |
|P198      |           |         |GND         |         |           |              |          |         |           |         |       |          |         |           |                |
|P199      |           |IOB      |IO          |UNUSED   |           |0             |          |         |           |         |       |          |         |           |                |
|P200      |           |IOB      |IO_VREF_0   |UNUSED   |           |0             |          |         |           |         |       |          |         |           |                |
|P201      |           |IOB      |IO          |UNUSED   |           |0             |          |         |           |         |       |          |         |           |                |
|P202      |           |IOB      |IO          |UNUSED   |           |0             |          |         |           |         |       |          |         |           |                |
|P203      |           |IOB      |IO_VREF_0   |UNUSED   |           |0             |          |         |           |         |       |          |         |           |                |
|P204      |           |IOB      |IO          |UNUSED   |           |0             |          |         |           |         |       |          |         |           |                |
|P205      |           |IOB      |IO          |UNUSED   |           |0             |          |         |           |         |       |          |         |           |                |
|P206      |           |IOB      |IO          |UNUSED   |           |0             |          |         |           |         |       |          |         |           |                |
|P207      |           |         |TCK         |         |           |              |          |         |           |         |       |          |         |           |                |
|P208      |           |         |VCCO        |         |           |0             |          |         |           |         |3.30   |          |         |           |                |
+---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+

* Default value.
** This default Pullup/Pulldown value can be overridden in Bitgen. 
****** Special VCCO requirements may apply. Please consult the device 
       family datasheet for specific guideline on VCCO requirements.