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TMS320C6727,TMS320C6726,TMS320C6722
Floating-PointDigitalSignalProcessors
SPRS268E–MAY2005–REVISEDJANUARY2007
Table2-12.TerminalFunctions(continued)
GDH/
SIGNALNAMERFPTYPE
(1)
PULL
(2)
GPIO
(3)
DESCRIPTION
ZDH
UniversalHost-PortInterface(UHPI)DataandControl
UHPI_HD[0]-K13IOIPDY
UHPI_HD[1]-K14IOIPDY
UHPI_HD[2]-M14IOIPDY
UHPI_HD[3]-L13IOIPDY
UHPI_HD[4]-L14IOIPDY
UHPI_HD[5]-N13IOIPDY
UHPI_HD[6]-N14IOIPDY
UHPI_HD[7]-P14IOIPDY
UHPIDataBus[Lower16Bits]
UHPI_HD[8]-E14IOIPDY
UHPI_HD[9]-F14IOIPDY
UHPI_HD[10]-F13IOIPDY
UHPI_HD[11]-G14IOIPDY
UHPI_HD[12]-G13IOIPDY
UHPI_HD[13]-H14IOIPDY
UHPI_HD[14]-H13IOIPDY
UHPI_HD[15]-J13IOIPDY
UHPI_HD[16]/HHWIL-H1IO/IIPDY
UHPI_HD[17]-G3IOIPDY
UHPI_HD[18]-G4IOIPDY
UHPI_HD[19]-F3IOIPDY
UHPI_HD[20]-F4IOIPDY
UHPIDataBus[Upper16Bits(IO)]inthefollowing
modes:
UHPI_HD[21]-E3IOIPDY
•FullwordMultiplexedAddressandData
UHPI_HD[22]-D3IOIPDY
•FullwordNon-Multiplexed
UHPI_HD[23]-C3IOIPDY
UHPI_HHWIL(I)onpinUHPI_HD[16]/HHWILandGPIO
UHPI_HD[24]-P2IOIPDY
onotherpinsinthefollowingmode:
UHPI_HD[25]-N2IOIPDY
•Half-wordMultiplexedAddressandData
UHPI_HD[26]-N3IOIPDY
Inthismode,UHPI_HHWILindicateswhetherthehighor
lowhalf-wordisbeingaddressed.
UHPI_HD[27]-M3IOIPDY
UHPI_HD[28]-L3IOIPDY
UHPI_HD[29]-L4IOIPDY
UHPI_HD[30]-L2IOIPDY
UHPI_HD[31]-H4IOIPDY
UniversalHost-PortInterface(UHPI)Control
UHPI_HBE[0]-C6IIPDYUHPIByteEnableforUHPI_HD[7:0]
UHPI_HBE[1]-C5IIPDYUHPIByteEnableforUHPI_HD[15:8]
UHPI_HBE[2]-C4IIPDYUHPIByteEnableforUHPI_HD[23:16]
UHPI_HBE[3]-B2IIPDYUHPIByteEnableforUHPI_HD[31:24]
UHPI_HCNTL[0]-D9IIPDY
UHPIControlInputsSelectAccessMode
UHPI_HCNTL[1]-C10IIPDY
UHPIHostAddressStrobeforHostswithMultiplexed
UHPI_HAS-C9IIPDY
Address/Databus
UHPI_HRW-D8IIPDYUHPIRead/notWriteInput
UHPI_HDS[1]-D7IIPUY
UHPISelectSignalswhichcreatetheinternalHSTROBE
activewhen:
UHPI_HDS[2]-C7IIPUY
(UHPI_HCS=='0')&(UHPI_HDS[1]!=UHPI_HDS[2])
UHPI_HCS-C8IIPUY
UHPI_HRDY-D6OIPDYUHPIReadyOutput
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