ad9851_pad.txt

经典的dds发生器ad9851vhdl的并行通信代码

|P59       |           |IOB      |IO_VREF_5   |UNUSED   |           |5             |          |         |           |         |       |          |         |           |                |
|P60       |           |IOB      |IO          |UNUSED   |           |5             |          |         |           |         |       |          |         |           |                |
|P61       |           |IOB      |IO          |UNUSED   |           |5             |          |         |           |         |       |          |         |           |                |
|P62       |           |IOB      |IO_VREF_5   |UNUSED   |           |5             |          |         |           |         |       |          |         |           |                |
|P63       |           |IOB      |IO          |UNUSED   |           |5             |          |         |           |         |       |          |         |           |                |
|P64       |           |         |GND         |         |           |              |          |         |           |         |       |          |         |           |                |
|P65       |           |         |VCCO        |         |           |0             |          |         |           |         |3.30   |          |         |           |                |
|P66       |           |         |VCCINT      |         |           |              |          |         |           |         |2.5    |          |         |           |                |
|P67       |dds_data<7>|IOB      |IO          |OUTPUT   |LVTTL      |5             |12        |SLOW     |NONE**     |         |       |          |         |YES        |NONE            |
|P68       |dds_data<6>|IOB      |IO          |OUTPUT   |LVTTL      |5             |12        |SLOW     |NONE**     |         |       |          |         |YES        |NONE            |
|P69       |dds_data<5>|IOB      |IO          |OUTPUT   |LVTTL      |5             |12        |SLOW     |NONE**     |         |       |          |         |YES        |NONE            |
|P70       |dds_data<3>|IOB      |IO          |OUTPUT   |LVTTL      |5             |12        |SLOW     |NONE**     |         |       |          |         |YES        |NONE            |
|P71       |dds_data<2>|IOB      |IO          |OUTPUT   |LVTTL      |5             |12        |SLOW     |NONE**     |         |       |          |         |YES        |NONE            |
|P72       |           |         |GND         |         |           |              |          |         |           |         |       |          |         |           |                |
|P73       |dds_data<1>|IOB      |IO_VREF_5   |OUTPUT   |LVTTL      |5             |12        |SLOW     |NONE**     |         |       |          |         |YES        |NONE            |
|P74       |dds_data<0>|IOB      |IO          |OUTPUT   |LVTTL      |5             |12        |SLOW     |NONE**     |         |       |          |         |YES        |NONE            |
|P75       |dds_data<4>|IOB      |IO          |OUTPUT   |LVTTL      |5             |12        |SLOW     |NONE**     |         |       |          |         |YES        |NONE            |
|P76       |           |         |VCCINT      |         |           |              |          |         |           |         |2.5    |          |         |           |                |
|P77       |clk        |GCLKIOB  |GCK1        |INPUT    |LVTTL      |5             |          |         |           |NONE     |       |LOCATED   |         |NO         |NONE            |
|P78       |           |         |VCCO        |         |           |0             |          |         |           |         |3.30   |          |         |           |                |
|P79       |           |         |GND         |         |           |              |          |         |           |         |       |          |         |           |                |
|P80       |           |GCLKIOB  |GCK0        |UNUSED   |           |4             |          |         |           |         |       |          |         |           |                |
|P81       |           |IOB      |IO          |UNUSED   |           |4             |          |         |           |         |       |          |         |           |                |
|P82       |           |IOB      |IO          |UNUSED   |           |4             |          |         |           |         |       |          |         |           |                |
|P83       |           |IOB      |IO          |UNUSED   |           |4             |          |         |           |         |       |          |         |           |                |
|P84       |dds_reset  |IOB      |IO_VREF_4   |OUTPUT   |LVTTL      |4             |12        |SLOW     |NONE**     |         |       |          |         |YES        |NONE            |
|P85       |           |         |GND         |         |           |              |          |         |           |         |       |          |         |           |                |
|P86       |dds_fqud   |IOB      |IO          |OUTPUT   |LVTTL      |4             |12        |SLOW     |NONE**     |         |       |          |         |YES        |NONE            |
|P87       |           |IOB      |IO          |UNUSED   |           |4             |          |         |           |         |       |          |         |           |                |
|P88       |           |IOB      |IO          |UNUSED   |           |4             |          |         |           |         |       |          |         |           |                |
|P89       |           |IOB      |IO          |UNUSED   |           |4             |          |         |           |         |       |          |         |           |                |
|P90       |           |IOB      |IO          |UNUSED   |           |4             |          |         |           |         |       |          |         |           |                |
|P91       |           |         |VCCINT      |         |           |              |          |         |           |         |2.5    |          |         |           |                |
|P92       |           |         |VCCO        |         |           |0             |          |         |           |         |3.30   |          |         |           |                |
|P93       |           |         |GND         |         |           |              |          |         |           |         |       |          |         |           |                |
|P94       |           |IOB      |IO          |UNUSED   |           |4             |          |         |           |         |       |          |         |           |                |
|P95       |           |IOB      |IO_VREF_4   |UNUSED   |           |4             |          |         |           |         |       |          |         |           |                |
|P96       |           |IOB      |IO          |UNUSED   |           |4             |          |         |           |         |       |          |         |           |                |
|P97       |           |IOB      |IO          |UNUSED   |           |4             |          |         |           |         |       |          |         |           |                |
|P98       |           |IOB      |IO_VREF_4   |UNUSED   |           |4             |          |         |           |         |       |          |         |           |                |
|P99       |           |IOB      |IO          |UNUSED   |           |4             |          |         |           |         |       |          |         |           |                |
|P100      |           |IOB      |IO          |UNUSED   |           |4             |          |         |           |         |       |          |         |           |                |
|P101      |           |IOB      |IO          |UNUSED   |           |4             |          |         |           |         |       |          |         |           |                |
|P102      |           |IOB      |IO          |UNUSED   |           |4             |          |         |           |         |       |          |         |           |                |
|P103      |           |         |GND         |         |           |              |          |         |           |         |       |          |         |           |                |
|P104      |           |         |DONE        |         |           |              |          |         |           |         |       |          |         |           |                |
|P105      |           |         |VCCO        |         |           |0             |          |         |           |         |3.30   |          |         |           |                |
|P106      |           |         |PROGRAM     |         |           |              |          |         |           |         |       |          |         |           |                |
|P107      |           |IOB      |IO_INIT     |UNUSED   |           |3             |          |         |           |         |       |          |         |           |                |
|P108      |           |IOB      |IO_D7       |UNUSED   |           |3             |          |         |           |         |       |          |         |           |                |
|P109      |           |IOB      |IO          |UNUSED   |           |3             |          |         |           |         |       |          |         |           |                |
|P110      |           |IOB      |IO          |UNUSED   |           |3             |          |         |           |         |       |          |         |           |                |
|P111      |           |IOB      |IO_VREF_3   |UNUSED   |           |3             |          |         |           |         |       |          |         |           |                |
|P112      |           |IOB      |IO          |UNUSED   |           |3             |          |         |           |         |       |          |         |           |                |
|P113      |           |IOB      |IO          |UNUSED   |           |3             |          |         |           |         |       |          |         |           |                |
|P114      |           |IOB      |IO_VREF_3   |UNUSED   |           |3             |          |         |           |         |       |          |         |           |                |
|P115      |           |IOB      |IO_D6       |UNUSED   |           |3             |          |         |           |         |       |          |         |           |                |
|P116      |           |         |GND         |         |           |              |          |         |           |         |       |          |         |           |                |
|P117      |           |         |VCCO        |         |           |0             |          |         |           |         |3.30   |          |         |           |                |
|P118      |           |         |VCCINT      |         |           |              |          |         |           |         |2.5    |          |         |           |                |
|P119      |           |IOB      |IO_D5       |UNUSED   |           |3             |          |         |           |         |       |          |         |           |                |
|P120      |           |IOB      |IO          |UNUSED   |           |3             |          |         |           |         |       |          |         |           |                |
|P121      |           |IOB      |IO          |UNUSED   |           |3             |          |         |           |         |       |          |         |           |                |
|P122      |           |IOB      |IO          |UNUSED   |           |3             |          |         |           |         |       |          |         |           |                |
|P123      |           |IOB      |IO          |UNUSED   |           |3             |          |         |           |         |       |          |         |           |                |
|P124      |           |         |GND         |         |           |              |          |         |           |         |       |          |         |           |                |
|P125      |           |IOB      |IO_VREF_3   |UNUSED   |           |3             |          |         |           |         |       |          |         |           |                |
|P126      |           |IOB      |IO_D4       |UNUSED   |           |3             |          |         |           |         |       |          |         |           |                |
|P127      |           |IOB      |IO          |UNUSED   |           |3             |          |         |           |         |       |          |         |           |                |
|P128      |           |         |VCCINT      |         |           |              |          |         |           |         |2.5    |          |         |           |                |
|P129      |           |PCIIOB   |IO_TRDY     |UNUSED   |           |3             |          |         |           |         |       |          |         |           |                |
|P130      |           |         |VCCO        |         |           |0             |          |         |           |         |3.30   |          |         |           |                |
|P131      |           |         |GND         |         |           |              |          |         |           |         |       |          |         |           |                |
|P132      |           |PCIIOB   |IO_IRDY     |UNUSED   |           |2             |          |         |           |         |       |          |         |           |                |
|P133      |           |IOB      |IO          |UNUSED   |           |2             |          |         |           |         |       |          |         |           |                |
|P134      |dds_wclk   |IOB      |IO          |OUTPUT   |LVTTL      |2             |12        |SLOW     |NONE**     |         |       |          |         |NO         |NONE            |
|P135      |           |IOB      |IO_D3       |UNUSED   |           |2             |          |         |           |         |       |          |         |           |                |
|P136      |           |IOB      |IO_VREF_2   |UNUSED   |           |2             |          |         |           |         |       |          |         |           |                |
|P137      |           |         |GND         |         |           |              |          |         |           |         |       |          |         |           |                |
|P138      |           |IOB      |IO          |UNUSED   |           |2             |          |         |           |         |       |          |         |           |                |