一、ModuleType
is an I/O Pad or standard-cell(CORE)
二、MTC(ModuleTypeClass)
MTC_IOPAD = 0,
MTC_CORE,
MTC_BLOCK,
MTC_OTHER,
MTC_LUT,
MTC_FF,
MTC_DSP,
MTC_RAM,
MTC_IO,
MTC_CARRY8,
MTC_HalfCLB
三、Constraint guide
UCF(User Constraint File)
PCF(Physical Constraint File)
NCF(Netlist Constraint File)
HDL(Hardware Description Language)