lcd.pnx

来自「这是我最近买的一套CPLD开发板VHDL源程序并附上开发板的原理图,希望对你是一」· PNX 代码 · 共 19 行

<?xml version='1.0' encoding='utf-8' ?>
<!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="TQ144" spg="-10" arch="xc9500xl" device="XC95144XL"/><pin nm="Reset" no="110" dir="input"/><pin nm="clk" no="128" dir="input"/><pin nm="data&lt;4&gt;" no="64" sr="fast" dir="output"/><pin nm="data&lt;7&gt;" no="58" sr="fast" dir="output"/><pin nm="lcd_rw" no="56" sr="fast" dir="output"/><pin nm="data&lt;0&gt;" no="75" sr="fast" dir="output"/><pin nm="data&lt;2&gt;" no="71" sr="fast" dir="output"/><pin nm="data&lt;3&gt;" no="69" sr="fast" dir="output"/><pin nm="data&lt;1&gt;" no="70" sr="fast" dir="output"/><pin nm="data&lt;5&gt;" no="66" sr="fast" dir="output"/><pin nm="data&lt;6&gt;" no="61" sr="fast" dir="output"/><pin nm="lcd_rs" no="57" sr="fast" dir="output"/></ibis>