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TMS320C6727,TMS320C6726,TMS320C6722
Floating-PointDigitalSignalProcessors
SPRS268E–MAY2005–REVISEDJANUARY2007
Table3-5.PriorityofControlofDataOutputonMultiplexedPins
PINFIRSTPRIORITYSECONDPRIORITYTHIRDPRIORITY
SPI0_SOMI/I2C0_SDASPI0_SOMII2C0_SDA
SPI0_CLK/I2C0_SCLSPI0_CLKI2C0_SCL
SPI0_SCS/I2C1_SCLSPI0_SCSI2C1_SCL
SPI0_ENA/I2C1_SDASPI0_ENAI2C1_SDA
AXR0[5]/SPI1_SCSAXR0[5]SPI1_SCS
AXR0[6]/SPI1_ENAAXR0[6]SPI1_ENA
AXR0[7]/SPI1_CLKAXR0[7]SPI1_CLK
AXR0[8]/AXR1[5]/SPI1_SOMIAXR0[8]AXR1[5]SPI1_SOMI
AXR0[9]/AXR1[4]/SPI1_SIMOAXR0[9]AXR1[4]SPI1_SIMO
AXR0[10]/AXR1[3]AXR0[10]AXR1[3]
AXR0[11]/AXR1[2]AXR0[11]AXR1[2]
AXR0[12]/AXR1[1]AXR0[12]AXR1[1]
AXR0[13]/AXR1[0]AXR0[13]AXR1[0]
AXR0[14]/AXR2[1]AXR0[14]AXR2[1]
AXR0[15]/AXR2[0]AXR0[15]AXR2[0]
AHCLKR0/AHCLKR1AHCLKR0AHCLKR1
AHCLKX0/AHCLKX2AHCLKX0AHCLKX2
AMUTE2/HINTAMUTE2HINT
HD[16]/HHWILHD[16]HHWIL
EM_D[31:16]/UHPI_HA[15:0]
(1)
EM_D[31:16](DisabledifUHPI_HA[15:0](InputOnly)
CFGHPI.NMUX=1)
(1)WhenusingtheUHPIinnon-multiplexedmode,ensureEM_D[31:16]areconfiguredasinputssothatthesepinsmaybeusedas
UHPI_HA[15:0].Toensurethis,youmustsettheCFGHPI.NMUXbittoa'1'beforetheEMIFSDRAMinitializationcompletes;
otherwise,adriveconflictwilloccur.[TheEMIFbusparkingfunctiondrivesthedatabusinbetweenaccesses.]
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