cantofddi.pnx

RS232-光纤的CPLD调制解调源程序

<?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 arch="xc9500" device="XC9536" pkg="VQ44" spg="-10"/><pin dir="input" nm="CLK" no="1"/><pin dir="input" nm="FDDI_RX" no="22"/><pin dir="input" nm="CAN_RX" no="38"/><pin dir="input" nm="SD" no="21"/><pin dir="output" nm="FDDI_TX" no="20" sr="fast"/><pin dir="output" nm="CAN_TX" no="37" sr="fast"/><pin dir="bidir" nm="LED_RX" no="14" sr="fast"/><pin dir="bidir" nm="LED_TX" no="13" sr="fast"/></ibis>