count9.pnx

xilinx xc9572 cpld 实现的伺服电机控制器

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<!DOCTYPE ibis [
<!ELEMENT ibis (part, pin+)>
<!ELEMENT part EMPTY>
<!ELEMENT pin EMPTY>
<!ATTLIST part
  arch   CDATA #REQUIRED
  device CDATA #REQUIRED
  spg    CDATA #REQUIRED
  pkg    CDATA #REQUIRED>
<!ATTLIST pin
  nm     CDATA #REQUIRED
  no     CDATA #REQUIRED
  iostd  (TTL|LVTTL|LVCMOS2|NA) "NA"
  sr     (SLOW|FAST|slow|fast) "SLOW"
  dir    (BIDIR|bidir|INPUT|input|OUTPUT|output) "BIDIR">
]>
<ibis><part pkg="TQ100" spg="-10" arch="xc9500" device="XC9572"/><pin nm="CCLK" no="74" dir="input"/><pin nm="CLR" no="17" dir="input"/><pin nm="CE" no="11" dir="input"/><pin nm="UP" no="97" dir="input"/><pin nm="Qout&lt;0&gt;" no="39" sr="slow" dir="output"/><pin nm="Qout&lt;1&gt;" no="13" sr="slow" dir="output"/><pin nm="Qout&lt;2&gt;" no="15" sr="slow" dir="output"/><pin nm="Qout&lt;3&gt;" no="28" sr="slow" dir="output"/><pin nm="Qout&lt;4&gt;" no="64" sr="slow" dir="output"/><pin nm="Qout&lt;5&gt;" no="32" sr="slow" dir="output"/><pin nm="Qout&lt;6&gt;" no="94" sr="slow" dir="output"/><pin nm="Qout&lt;7&gt;" no="81" sr="slow" dir="output"/><pin nm="Qout&lt;8&gt;" no="60" sr="slow" dir="output"/><pin nm="Qout&lt;9&gt;" no="6" sr="slow" dir="output"/></ibis>