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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
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