2.4.12ClockInterface
TMS320DM355
DigitalMediaSystem-on-Chip(DMSoC)
SPRS463A–SEPTEMBER2007–REVISEDSEPTEMBER2007
Table2-17.SPITerminalFunctions(continued)
TERMINAL
TYPE
(1)
OTHER
(2)(3)
DESCRIPTION
NAMENO.
StandardCCDAnalogFrontEnd(AFE):Notused
•YCC16-bit:timemultiplexedbetweenchroma.CB/CR[07]
CIN7/
•YCC8-bit(whichallowsfortwosimultaneousdecoderinputs),itis
PD
GIO101/N3I/O/Z
timemultiplexedbetweenlumaandchromaoftheupperchannel.
V
DD_VIN
SPI2_SCLK
Y/CB/CR[07]
SPI:SPI2clock
GIO:GIO[101]
StandardCCDAnalogFrontEnd(AFE):Raw[13]
•YCC16-bit:timemultiplexedbetweenchroma.CB/CR[05]
CIN5/
•YCC8-bit(whichallowsfortwosimultaneousdecoderinputs),itis
PD
GIO099/M3I/O/Z
timemultiplexedbetweenlumaandchromaoftheupperchannel.
V
DD_VIN
SPI2_SDENA[0]
Y/CB/CR[07]
SPI:SPI2chipselect
GIO:GIO[099]
StandardCCDAnalogFrontEnd(AFE):Raw[12]
•YCC16-bit:timemultiplexedbetweenchroma.CB/CR[04]
CIN4/
•YCC8-bit(whichallowsfortwosimultaneousdecoderinputs),itis
GIO098/PD
L4I/O/Z
timemultiplexedbetweenlumaandchromaoftheupperchannel.
SPI2_SDI/V
DD_VIN
Y/CB/CR[04]
SPI2_SDENA[1]
SPI:SPI2Datain
GIO:GIO[0998]
StandardCCDAnalogFrontEnd(AFE):Notused
•YCC16-bit:timemultiplexedbetweenchroma.CB/CR[06]
CIN6/
•YCC8-bit(whichallowsfortwosimultaneousdecoderinputs),itis
PD
GIO100/K5I/O/Z
timemultiplexedbetweenlumaandchromaoftheupperchannel.
V
DD_VIN
SPI2_SDO/
Y/CB/CR[06]
SPI:SPI2Dataout
GIO:GIO[100]
Theprovidesinterfacewiththesystemclocks.
Table2-18.ClocksTerminalFunctions
TERMINAL
TYPE
(1)
OTHER
(2)(3)
DESCRIPTION
NAMENO.
CLKOUT1CLKOUT:OutputClock1
D12I/O/ZV
DD
/GIO018GIO:GIO[018]
CLKOUT2CLKOUT:OutputClock2
A11I/O/ZV
DD
/GIO017GIO:GIO[017]
CLKOUT3CLKOUT:OutputClock3
C11I/O/ZV
DD
/GIO016GIO:GIO[016]
MXI1A9IV
DD
Crystalinputforsystemoscillator(24MHzor36MHz)
Outputforsystemoscillator(24MHzor36MHz).WhentheMX02isnotused,
MXO1B9OV
DD
theMX02signalcanbeleftopen.
Crystalinputforvideooscillator(27MHz)Optional,useonlyif27MHzderived
fromMXI1andPLLdoesnotprovidesufficientperformanceforVideoDAC.
MXI2R1IV
DD
WhentheMX12isnotusedandpowereddown,theMXI2signalshouldbeleft
asaNoConnect
Outputforvideooscillator(27MHz)Optional,useonlyif27MHzderivedfrom
MXI1andPLLdoesnotprovidesufficientperformanceforVideoDACWhenthe
MXO2T1OV
DD
MXO2isnotusedandpowereddown,theMXO2signalshouldbeleftasaNo
Connect.
(1)I=Input,O=Output,Z=Highimpedance,S=Supplyvoltage,GND=Ground,A=Analogsignal.
(2)SpecifiestheoperatingI/Osupplyvoltageforeachsignal.SeeSection5.3,PowerSuppliesformoredetail.
(3)PD=pull-down,PU=pull-up.(Topullupasignaltotheoppositesupplyrail,a1kΩresistorshouldbeused.)
DeviceOverview 32SubmitDocumentationFeedback
