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2.4.10I
2
CInterface
2.4.11SerialInterface
TMS320DM355
DigitalMediaSystem-on-Chip(DMSoC)
SPRS463A–SEPTEMBER2007–REVISEDSEPTEMBER2007
Table2-15.UARTTerminalFunctions(continued)
TERMINAL
TYPE
(1)
OTHER
(2)(3)
DESCRIPTION
NAMENO.
MMCSD1_DA
MMCSD1:DATA0
TA0/
A18I/O/ZV
DD
GIO:GIO019
GIO019/
UART2:TXD
UART2_TXD
TheincludesanI
2
Ctwo-wireserialinterfaceforcontrolofexternalperipherals.Thisinterfaceis
multiplexedwithGIOsignals.
Table2-16.I
2
CTerminalFunctions
TERMINAL
TYPE
(1)
OTHER
(2)(3)
DESCRIPTION
NAMENO.
I2C_SDA/I2C:Serialdata
R13I/O/ZV
DD
GIO015GIO:GIO015
I2C_SCL/I2C:Serialclock
R14I/O/ZV
DD
GIO014GIO:GIO014
(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.)
Theincludesthreeindependentserialports.TheseinterfacesaremultiplexedwithGIOandothersignals.
Table2-17.SPITerminalFunctions
TERMINAL
TYPE
(1)
OTHER
(2)(3)
DESCRIPTION
NAMENO.
SPI0_SCLKC12I/O/ZV
DD
SPI0:Clock
SPI0_SDENA[0]/SPI0:Chipselect0
B12I/O/ZV
DD
GIO103GIO:GIO[103]
GIO007GIO:GIO[007]
C17I/O/ZV
DD
SPI0_SDENA[1]SPI0:Chipselect1
SPI0_SDI/SPI0:Datain
A12I/O/ZV
DD
GIO102GIO:GIO[102]
SPI0_SDOB11I/O/ZV
DD
SPI0:Dataout
SPI1_SCLK/SPI1:Clock
C13I/O/ZV
DD
GIO010GIO:GIO[010]
SPI1:Chipselect0
SPI1_SDENA[0]/
E13I/O/ZV
DD
GIO:GIO[011]-ActivelowduringMMC/SDboot(canbeusedas
GIO011
MMC/SDpowercontrol)
SPI1_SDI/SPI1:Datainor
GIO009/A13I/O/ZV
DD
SPI1:Chipselect
SPI1_SDENA[1]GIO:GIO[09]
SPI1_SDO/SPI1:Dataout
E12I/O/ZV
DD
GIO008GIO:GIO[008]
(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.)
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