prescale_counter_pad.txt

Xilinx ISE9.x FPGACPLD设计指南 原书光盘上的源码 包含大量vhdl源码

|K5        |               |DIFFM    |IO_L03P_5/D5/ALT_VRN_5|UNUSED   |           |5             |          |         |           |         |         |          |         |           |                |
|K6        |               |DIFFM    |IO_L94P_5/VREF_5      |UNUSED   |           |5             |          |         |           |         |         |          |         |           |                |
|K7        |               |DIFFM    |IO_L96P_4/GCLK0P      |UNUSED   |           |4             |          |         |           |         |         |          |         |           |                |
|K8        |               |DIFFM    |IO_L94P_4             |UNUSED   |           |4             |          |         |           |         |         |          |         |           |                |
|K9        |               |DIFFM    |IO_L03P_4/D3/ALT_VRN_4|UNUSED   |           |4             |          |         |           |         |         |          |         |           |                |
|K10       |counter_out<4> |IOB      |IO_L01N_3             |OUTPUT   |LVTTL      |3             |12        |SLOW     |NONE**     |         |         |          |         |NO         |NONE            |
|K11       |counter_out<12>|IOB      |IO_L02P_3/VRN_3       |OUTPUT   |LVTTL      |3             |12        |SLOW     |NONE**     |         |         |          |         |NO         |NONE            |
|K12       |counter_out<3> |IOB      |IO_L02N_3/VRP_3       |OUTPUT   |LVTTL      |3             |12        |SLOW     |NONE**     |         |         |          |         |NO         |NONE            |
|K13       |counter_out<9> |IOB      |IO_L03P_3             |OUTPUT   |LVTTL      |3             |12        |SLOW     |NONE**     |         |         |          |         |NO         |NONE            |
|L1        |               |DIFFM    |IO_L02P_6/VRN_6       |UNUSED   |           |6             |          |         |           |         |         |          |         |           |                |
|L2        |               |DIFFS    |IO_L01N_6             |UNUSED   |           |6             |          |         |           |         |         |          |         |           |                |
|L3        |               |DIFFM    |IO_L01P_6             |UNUSED   |           |6             |          |         |           |         |         |          |         |           |                |
|L4        |               |DIFFS    |IO_L01N_5/RDWR_B      |UNUSED   |           |5             |          |         |           |         |         |          |         |           |                |
|L5        |               |DIFFS    |IO_L03N_5/D4/ALT_VRP_5|UNUSED   |           |5             |          |         |           |         |         |          |         |           |                |
|L6        |               |DIFFS    |IO_L94N_5             |UNUSED   |           |5             |          |         |           |         |         |          |         |           |                |
|L7        |               |         |VCCINT                |         |           |              |          |         |           |         |1.5      |          |         |           |                |
|L8        |               |DIFFS    |IO_L95N_4/GCLK3S      |UNUSED   |           |4             |          |         |           |         |         |          |         |           |                |
|L9        |               |         |GND                   |         |           |              |          |         |           |         |         |          |         |           |                |
|L10       |counter_out<7> |IOB      |IO_L02N_4/D0          |OUTPUT   |LVTTL      |4             |12        |SLOW     |NONE**     |         |         |          |         |NO         |NONE            |
|L11       |               |         |VCCO_4                |         |           |4             |          |         |           |         |3.30     |          |         |           |                |
|L12       |               |         |VCCO_3                |         |           |3             |          |         |           |         |3.30     |          |         |           |                |
|L13       |counter_out<13>|IOB      |IO_L01P_3             |OUTPUT   |LVTTL      |3             |12        |SLOW     |NONE**     |         |         |          |         |NO         |NONE            |
|M1        |               |         |VCCO_6                |         |           |6             |          |         |           |         |any******|          |         |           |                |
|M2        |               |         |M1                    |         |           |              |          |         |           |         |         |          |         |           |                |
|M3        |               |         |M2                    |         |           |              |          |         |           |         |         |          |         |           |                |
|M4        |               |DIFFM    |IO_L02P_5/D7          |UNUSED   |           |5             |          |         |           |         |         |          |         |           |                |
|M5        |               |         |GND                   |         |           |              |          |         |           |         |         |          |         |           |                |
|M6        |               |DIFFM    |IO_L95P_5/GCLK4P      |UNUSED   |           |5             |          |         |           |         |         |          |         |           |                |
|M7        |               |DIFFM    |IO_L96P_5/GCLK6P      |UNUSED   |           |5             |          |         |           |         |         |          |         |           |                |
|M8        |               |DIFFM    |IO_L95P_4/GCLK2P      |UNUSED   |           |4             |          |         |           |         |         |          |         |           |                |
|M9        |               |         |VCCO_4                |         |           |4             |          |         |           |         |3.30     |          |         |           |                |
|M10       |counter_out<2> |IOB      |IO_L02P_4/D1          |OUTPUT   |LVTTL      |4             |12        |SLOW     |NONE**     |         |         |          |         |NO         |NONE            |
|M11       |counter_out<5> |IOB      |IO_L01N_4/DOUT        |OUTPUT   |LVTTL      |4             |12        |SLOW     |NONE**     |         |         |          |         |NO         |NONE            |
|M12       |               |         |PWRDWN_B              |         |           |              |          |         |           |         |         |          |         |           |                |
|M13       |               |         |CCLK                  |         |           |              |          |         |           |         |         |          |         |           |                |
|N1        |               |         |VCCAUX                |         |           |              |          |         |           |         |3.3      |          |         |           |                |
|N2        |               |         |M0                    |         |           |              |          |         |           |         |         |          |         |           |                |
|N3        |               |         |VCCO_5                |         |           |5             |          |         |           |         |any******|          |         |           |                |
|N4        |               |DIFFS    |IO_L02N_5/D6          |UNUSED   |           |5             |          |         |           |         |         |          |         |           |                |
|N5        |               |         |VCCO_5                |         |           |5             |          |         |           |         |any******|          |         |           |                |
|N6        |               |DIFFS    |IO_L95N_5/GCLK5S      |UNUSED   |           |5             |          |         |           |         |         |          |         |           |                |
|N7        |               |DIFFS    |IO_L96N_5/GCLK7S      |UNUSED   |           |5             |          |         |           |         |         |          |         |           |                |
|N8        |               |DIFFS    |IO_L96N_4/GCLK1S      |UNUSED   |           |4             |          |         |           |         |         |          |         |           |                |
|N9        |               |DIFFS    |IO_L94N_4/VREF_4      |UNUSED   |           |4             |          |         |           |         |         |          |         |           |                |
|N10       |reset          |IOB      |IO_L03N_4/D2/ALT_VRP_4|INPUT    |LVTTL      |4             |          |         |           |NONE     |         |          |         |NO         |NONE            |
|N11       |counter_out<6> |IOB      |IO_L01P_4/INIT_B      |OUTPUT   |LVTTL      |4             |12        |SLOW     |NONE**     |         |         |          |         |NO         |NONE            |
|N12       |               |         |DONE                  |         |           |              |          |         |           |         |         |          |         |           |                |
|N13       |               |         |VCCAUX                |         |           |              |          |         |           |         |3.3      |          |         |           |                |
+-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+

* 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.