prescale_counter_pad.txt

该源码为xilinx ise教程的附带光盘源码

|F12       |           |DIFFS    |IO_L94N_2             |UNUSED   |           |2             |          |         |           |         |       |          |         |           |                |
|F13       |           |         |GND                   |         |           |              |          |         |           |         |       |          |         |           |                |
|G1        |           |DIFFM    |IO_L94P_7             |UNUSED   |           |7             |          |         |           |         |       |          |         |           |                |
|G2        |           |         |GND                   |         |           |              |          |         |           |         |       |          |         |           |                |
|G3        |counter<18>|IOB      |IO_L96N_7             |OUTPUT   |LVTTL      |7             |12        |SLOW     |NONE**     |         |       |          |         |NO         |NONE            |
|G4        |counter<20>|IOB      |IO_L96P_7             |OUTPUT   |LVTTL      |7             |12        |SLOW     |NONE**     |         |       |          |         |NO         |NONE            |
|G10       |           |DIFFM    |IO_L94P_2             |UNUSED   |           |2             |          |         |           |         |       |          |         |           |                |
|G11       |           |DIFFS    |IO_L96N_2             |UNUSED   |           |2             |          |         |           |         |       |          |         |           |                |
|G12       |           |DIFFS    |IO_L96N_3             |UNUSED   |           |3             |          |         |           |         |       |          |         |           |                |
|G13       |           |DIFFM    |IO_L96P_2             |UNUSED   |           |2             |          |         |           |         |       |          |         |           |                |
|H1        |counter<14>|IOB      |IO_L96N_6             |OUTPUT   |LVTTL      |6             |12        |SLOW     |NONE**     |         |       |          |         |NO         |NONE            |
|H2        |           |         |VCCINT                |         |           |              |          |         |           |         |1.5    |          |         |           |                |
|H3        |counter<17>|IOB      |IO_L96P_6             |OUTPUT   |LVTTL      |6             |12        |SLOW     |NONE**     |         |       |          |         |NO         |NONE            |
|H4        |           |DIFFS    |IO_L94N_6             |UNUSED   |           |6             |          |         |           |         |       |          |         |           |                |
|H10       |           |         |GND                   |         |           |              |          |         |           |         |       |          |         |           |                |
|H11       |           |DIFFS    |IO_L94N_3             |UNUSED   |           |3             |          |         |           |         |       |          |         |           |                |
|H12       |           |DIFFM    |IO_L96P_3             |UNUSED   |           |3             |          |         |           |         |       |          |         |           |                |
|H13       |           |         |VCCINT                |         |           |              |          |         |           |         |1.5    |          |         |           |                |
|J1        |           |         |GND                   |         |           |              |          |         |           |         |       |          |         |           |                |
|J2        |           |DIFFM    |IO_L94P_6             |UNUSED   |           |6             |          |         |           |         |       |          |         |           |                |
|J3        |           |         |VCCO_6                |         |           |6             |          |         |           |         |3.30   |          |         |           |                |
|J4        |           |         |GND                   |         |           |              |          |         |           |         |       |          |         |           |                |
|J10       |           |DIFFS    |IO_L03N_3/VREF_3      |UNUSED   |           |3             |          |         |           |         |       |          |         |           |                |
|J11       |           |         |GND                   |         |           |              |          |         |           |         |       |          |         |           |                |
|J12       |           |         |VCCO_3                |         |           |3             |          |         |           |         |3.30   |          |         |           |                |
|J13       |counter<12>|IOB      |IO_L94P_3             |OUTPUT   |LVTTL      |3             |12        |SLOW     |NONE**     |         |       |          |         |NO         |NONE            |
|K1        |           |DIFFS    |IO_L03N_6/VREF_6      |UNUSED   |           |6             |          |         |           |         |       |          |         |           |                |
|K2        |           |DIFFM    |IO_L03P_6             |UNUSED   |           |6             |          |         |           |         |       |          |         |           |                |
|K3        |           |DIFFS    |IO_L02N_6/VRP_6       |UNUSED   |           |6             |          |         |           |         |       |          |         |           |                |
|K4        |           |DIFFM    |IO_L01P_5/CS_B        |UNUSED   |           |5             |          |         |           |         |       |          |         |           |                |
|K5        |counter<0> |IOB      |IO_L03P_5/D5/ALT_VRN_5|OUTPUT   |LVTTL      |5             |12        |SLOW     |NONE**     |         |       |          |         |NO         |NONE            |
|K6        |counter<2> |IOB      |IO_L94P_5/VREF_5      |OUTPUT   |LVTTL      |5             |12        |SLOW     |NONE**     |         |       |          |         |NO         |NONE            |
|K7        |counter<5> |IOB      |IO_L96P_4/GCLK0P      |OUTPUT   |LVTTL      |4             |12        |SLOW     |NONE**     |         |       |          |         |NO         |NONE            |
|K8        |counter<11>|IOB      |IO_L94P_4             |OUTPUT   |LVTTL      |4             |12        |SLOW     |NONE**     |         |       |          |         |NO         |NONE            |
|K9        |           |DIFFM    |IO_L03P_4/D3/ALT_VRN_4|UNUSED   |           |4             |          |         |           |         |       |          |         |           |                |
|K10       |           |DIFFS    |IO_L01N_3             |UNUSED   |           |3             |          |         |           |         |       |          |         |           |                |
|K11       |           |DIFFM    |IO_L02P_3/VRN_3       |UNUSED   |           |3             |          |         |           |         |       |          |         |           |                |
|K12       |           |DIFFS    |IO_L02N_3/VRP_3       |UNUSED   |           |3             |          |         |           |         |       |          |         |           |                |
|K13       |           |DIFFM    |IO_L03P_3             |UNUSED   |           |3             |          |         |           |         |       |          |         |           |                |
|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        |counter<1> |IOB      |IO_L03N_5/D4/ALT_VRP_5|OUTPUT   |LVTTL      |5             |12        |SLOW     |NONE**     |         |       |          |         |NO         |NONE            |
|L6        |counter<13>|IOB      |IO_L94N_5             |OUTPUT   |LVTTL      |5             |12        |SLOW     |NONE**     |         |       |          |         |NO         |NONE            |
|L7        |           |         |VCCINT                |         |           |              |          |         |           |         |1.5    |          |         |           |                |
|L8        |counter<6> |IOB      |IO_L95N_4/GCLK3S      |OUTPUT   |LVTTL      |4             |12        |SLOW     |NONE**     |         |       |          |         |NO         |NONE            |
|L9        |           |         |GND                   |         |           |              |          |         |           |         |       |          |         |           |                |
|L10       |           |DIFFS    |IO_L02N_4/D0          |UNUSED   |           |4             |          |         |           |         |       |          |         |           |                |
|L11       |           |         |VCCO_4                |         |           |4             |          |         |           |         |3.30   |          |         |           |                |
|L12       |           |         |VCCO_3                |         |           |3             |          |         |           |         |3.30   |          |         |           |                |
|L13       |           |DIFFM    |IO_L01P_3             |UNUSED   |           |3             |          |         |           |         |       |          |         |           |                |
|M1        |           |         |VCCO_6                |         |           |6             |          |         |           |         |3.30   |          |         |           |                |
|M2        |           |         |M1                    |         |           |              |          |         |           |         |       |          |         |           |                |
|M3        |           |         |M2                    |         |           |              |          |         |           |         |       |          |         |           |                |
|M4        |           |DIFFM    |IO_L02P_5/D7          |UNUSED   |           |5             |          |         |           |         |       |          |         |           |                |
|M5        |           |         |GND                   |         |           |              |          |         |           |         |       |          |         |           |                |
|M6        |counter<3> |IOB      |IO_L95P_5/GCLK4P      |OUTPUT   |LVTTL      |5             |12        |SLOW     |NONE**     |         |       |          |         |NO         |NONE            |
|M7        |counter<10>|IOB      |IO_L96P_5/GCLK6P      |OUTPUT   |LVTTL      |5             |12        |SLOW     |NONE**     |         |       |          |         |NO         |NONE            |
|M8        |counter<9> |IOB      |IO_L95P_4/GCLK2P      |OUTPUT   |LVTTL      |4             |12        |SLOW     |NONE**     |         |       |          |         |NO         |NONE            |
|M9        |           |         |VCCO_4                |         |           |4             |          |         |           |         |3.30   |          |         |           |                |
|M10       |           |DIFFM    |IO_L02P_4/D1          |UNUSED   |           |4             |          |         |           |         |       |          |         |           |                |
|M11       |           |DIFFS    |IO_L01N_4/DOUT        |UNUSED   |           |4             |          |         |           |         |       |          |         |           |                |
|M12       |           |         |PWRDWN_B              |         |           |              |          |         |           |         |       |          |         |           |                |
|M13       |           |         |CCLK                  |         |           |              |          |         |           |         |       |          |         |           |                |
|N1        |           |         |VCCAUX                |         |           |              |          |         |           |         |3.3    |          |         |           |                |
|N2        |           |         |M0                    |         |           |              |          |         |           |         |       |          |         |           |                |
|N3        |           |         |VCCO_5                |         |           |5             |          |         |           |         |3.30   |          |         |           |                |
|N4        |           |DIFFS    |IO_L02N_5/D6          |UNUSED   |           |5             |          |         |           |         |       |          |         |           |                |
|N5        |           |         |VCCO_5                |         |           |5             |          |         |           |         |3.30   |          |         |           |                |
|N6        |clk        |IOB      |IO_L95N_5/GCLK5S      |INPUT    |LVTTL      |5             |          |         |           |NONE     |       |          |         |NO         |NONE            |
|N7        |counter<7> |IOB      |IO_L96N_5/GCLK7S      |OUTPUT   |LVTTL      |5             |12        |SLOW     |NONE**     |         |       |          |         |NO         |NONE            |
|N8        |counter<4> |IOB      |IO_L96N_4/GCLK1S      |OUTPUT   |LVTTL      |4             |12        |SLOW     |NONE**     |         |       |          |         |NO         |NONE            |
|N9        |counter<8> |IOB      |IO_L94N_4/VREF_4      |OUTPUT   |LVTTL      |4             |12        |SLOW     |NONE**     |         |       |          |         |NO         |NONE            |
|N10       |           |DIFFS    |IO_L03N_4/D2/ALT_VRP_4|UNUSED   |           |4             |          |         |           |         |       |          |         |           |                |
|N11       |           |DIFFM    |IO_L01P_4/INIT_B      |UNUSED   |           |4             |          |         |           |         |       |          |         |           |                |
|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.