xst.xmsgs

用CPLD驱动SJA1000 CAN控制器

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<messages>
<msg type="warning" file="Xst" num="819" delta="unknown" >&quot;<arg fmt="%s" index="1">G:/pax255_debug/pxa255_cpld/top.vhd</arg>&quot; line <arg fmt="%d" index="2">100</arg>: The following signals are missing in the process sensitivity list:
<arg fmt="%s" index="3">nreset_3828, cpu_ncs5, cpu_addr24</arg>.
</msg>

<msg type="warning" file="Xst" num="819" delta="unknown" >&quot;<arg fmt="%s" index="1">G:/pax255_debug/pxa255_cpld/top.vhd</arg>&quot; line <arg fmt="%d" index="2">146</arg>: The following signals are missing in the process sensitivity list:
<arg fmt="%s" index="3">cpu_addr, cpu_data</arg>.
</msg>

<msg type="warning" file="Xst" num="819" delta="unknown" >&quot;<arg fmt="%s" index="1">G:/pax255_debug/pxa255_cpld/top.vhd</arg>&quot; line <arg fmt="%d" index="2">161</arg>: The following signals are missing in the process sensitivity list:
<arg fmt="%s" index="3">can_ad</arg>.
</msg>

<msg type="warning" file="Xst" num="647" delta="unknown" >Input &lt;<arg fmt="%s" index="1">cpu_ncs1</arg>&gt; is never used.
</msg>

<msg type="warning" file="Xst" num="647" delta="unknown" >Input &lt;<arg fmt="%s" index="1">cpu_ncs3</arg>&gt; is never used.
</msg>

<msg type="warning" file="Xst" num="1306" delta="unknown" >Output &lt;<arg fmt="%s" index="1">cpu_nwait</arg>&gt; is never assigned.
</msg>

<msg type="info" file="Xst" num="1767" delta="unknown" >HDL ADVISOR - Resource sharing has identified that some arithmetic operations in this design can share the same physical resources for reduced device utilization. For improved clock frequency you may try to disable resource sharing.
</msg>

</messages>