pin_legxbr.htm

来自「通过PC104访问内存地址」· HTM 代码 · 共 21 行

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<html><body><pre>Legend :  NC  = Not Connected, unbonded pin        PGND  = Unused I/O configured as additional Ground pin         KPR  = Unused I/O with weak keeper (leave unconnected)         WPU  = Unused I/O with weak pull up (leave unconnected)         TIE  = Unused I/O floating -- must tie to VCC, GND or other signal         VCC  = Dedicated Power Pin      VCCAUX  = Power supply for JTAG pins   VCCIO-3.3  = I/O supply voltage for LVTTL, LVCMOS33, SSTL3_I   VCCIO-2.5  = I/O supply voltage for LVCMOS25, SSTL2_I   VCCIO-1.8  = I/O supply voltage for LVCMOS18   VCCIO-1.5  = I/O supply voltage for LVCMOS15, HSTL_I        VREF  = Reference voltage for indicated input standard         GND  = Dedicated Ground Pin         TDI  = Test Data In, JTAG pin         TDO  = Test Data Out, JTAG pin         TCK  = Test Clock, JTAG pin         TMS  = Test Mode Select, JTAG pin  PROHIBITED  = User reserved pin</pre></body></html>

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