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TMS320DM6443
Digital Media System-on-Chip
SPRS282E–DECEMBER 2005–REVISED MARCH 2007
Table 2-11. I2C Terminal Functions
SIGNAL
NAME
TYPE
(1)
OTHER
(2)
DESCRIPTION
NO.
I2C
SCL/
GPIO43
SDA/
GPIO44
This pin is multiplexed between I2C and GPIO.
For I2C, it is clock output SCL.
This pin is multiplexed between I2C and GPIO.
For I2C, it is bi-directional data signal SDA.
C4
I/O/Z
DV
DD18
B4
I/O/Z
DV
DD18
(1)
(2)
I = Input, O = Output, Z = High impedance, S = Supply voltage, GND = Ground, A = Analog signal
Specifies the operating I/O supply voltage for each signal
Table 2-12. Audio Serial Port (ASP) Terminal Functions
SIGNAL
NAME
TYPE
(1)
OTHER
(2)
DESCRIPTION
NO.
Audio Serial Port (ASP)
This pin is multiplexed between ASP and GPIO.
For ASP, it is Transmit clock IO CLKX.
This pin is multiplexed between ASP and GPIO.
For ASP, it is Receive clock IO CLKR.
This pin is multiplexed between ASP and GPIO.
For ASP, it is Transmit frame synchronization IO FSX.
This pin is multiplexed between ASP and GPIO.
For ASP, it is Receive frame synchronization IO FSR.
This pin is multiplexed between ASP and GPIO.
For ASP, it is Data Transmit output DX.
This pin is multiplexed between ASP and GPIO.
For ASP, it is Data Receive input DR.
CLKX/
GPIO29
CLKR/
GPIO30
FSX/
GPIO31
FSR/
GPIO32
DX/
GPIO33
DR/
GPIO34
B8
I/O/Z
DV
DD18
A8
I/O/Z
DV
DD18
C8
I/O/Z
DV
DD18
C7
I/O/Z
DV
DD18
B7
I/O/Z
DV
DD18
A7
I/O/Z
DV
DD18
(1)
(2)
I = Input, O = Output, Z = High impedance, S = Supply voltage, GND = Ground, A = Analog signal
Specifies the operating I/O supply voltage for each signal
Table 2-13. SPI Terminal Functions
SIGNAL
NAME
TYPE
(1)
OTHER
(2)
DESCRIPTION
NO.
Serial Port Interface (SPI)
This pin is multiplexed between SPI and GPIO.
When used by SPI, it is SPI slave device 0 enable output SPI_EN0.
SPI_EN0/
GPIO37
SPI_EN1/
HDDIR/
GPIO42
SPI_CLK/
GPIO39
SPI_DI/
GPIO40
SPI_DO/
GPIO41
A4
I/O/Z
DV
DD18
This pin is multiplexed between SPI, ATA, and GPIO.
When used by SPI, it is SPI slave device 1 enable output SPI_EN1.
B2
I/O/Z
DV
DD18
This pin is multiplexed between SPI and GPIO.
For SPI, it is clock output SPI_CLK.
This pin is multiplexed between SPI and GPIO.
For SPI, it is data input SPI_DI.
This pin is multiplexed between SPI and GPIO.
For SPI it is data output SPI_DO.
A3
I/O/Z
DV
DD18
B3
I/O/Z
DV
DD18
A2
I/O/Z
DV
DD18
(1)
(2)
I = Input, O = Output, Z = High impedance, S = Supply voltage, GND = Ground, A = Analog signal
Specifies the operating I/O supply voltage for each signal
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