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P
TMS320DM6446
Digital Media System on-Chip
SPRS283–DECEMBER 2005
Table 2-22. VLYNQ Terminal Functions
SIGNAL
NAME
IPD/
IPU
(2)
TYPE
(1)
DESCRIPTION
NO.
VLYNQ
This pin is multiplexed between EMIFA, GPIO, and VLYNQ. For EMIFA, it is Chip
Select 5 output EM_CS5 for use with asynchronous memories (i.e., NOR flash) or
NAND flash.
For GPIO, it is GPIO pin 8 GPIO8
For VLYNQ, it is the clock (VLYNQ_CLOCK).
This pin is multiplexed between EMIFA, GPIO, and VLYNQ. For EMIFA, it is Chip
Select 4 output EM_CS4 for use with asynchronous memories (i.e., NOR flash) or
NAND flash.
For GPIO, it is GPIO9.
For VLYNQ, it is the Serial Clock run request (VLYNQ_SCRUN).
This pin is multiplexed between EMIFA, GPIO, and VLYNQ. For EMIFA, it is
address bit 15 output EM_A[15].
For GPIO, it is GPIO16.
For VLYNQ, it is transmit bus bit 3 output VLYNQ_TXD3.
This pin is multiplexed between EMIFA, GPIO, and VLYNQ. For EMIFA, it is
address bit 17 output EM_A[17].
For GPIO, it is GPIO14.
For VLYNQ, it is transmit bus bit 2 output VLYNQ_TXD2.
This pin is multiplexed between EMIFA, GPIO, and VLYNQ. For EMIFA, it is
address bit 19 output EM_A[19].
For GPIO, it is GPIO12.
For VLYNQ, it is transmit bus bit 1 output VLYNQ_TXD1.
This pin is multiplexed between EMIFA, GPIO, and VLYNQ. For EMIFA, it is
address bit 21 output EM_A[21].
For GPIO, it is GPIO10.
For VLYNQ, it is bit 0 of the transmit bus (VLYNQ_TXD0).
This pin is multiplexed between EMIFA, GPIO, and VLYNQ. For EMIFA, it is
address bit 14 output EM_A[14].
For GPIO, it is GPIO17.
For VLYNQ, it is receive bus bit 3 input VLYNQ_RXD3.
This pin is multiplexed between EMIFA, GPIO, and VLYNQ. For EMIFA, it is
address bit 16 output EM_A[16].
For GPIO, it is GPIO15.
For VLYNQ, it is receive bus bit 2 input VLYNQ_RXD2.
This pin is multiplexed between EMIFA, GPIO, and VLYNQ. For EMIFA, it is
address bit 18 output EM_A[18].
For GPIO, it is GPIO13.
For VLYNQ, it is receive bus bit 1 input VLYNQ_RXD1.
This pin is multiplexed between EMIFA, GPIO, and VLYNQ. For EMIFA, it is
address bit 20 output EM_A[20].
For GPIO, it is GPIO11.
For VLYNQ, it is receive bus bit 0 input VLYNQ_RXD0.
EM_CS5/
GPIO8/
VLYNQ_CLOCK
T1
I/O/Z
IPD
EM_CS4/
GPIO9/
VLYNQ_SCRUN
T2
I/O/Z
IPD
EM_A[15]/
GPIO16/
VLYNQ_TXD3
P3
I/O/Z
IPD
EM_A[17]/
GPIO14/
VLYNQ_TXD2
R2
I/O/Z
IPD
EM_A[19]/
GPIO12/
VLYNQ_TXD1
R4
I/O/Z
IPD
EM_A[21]/
GPIO10/
VLYNQ_TXD0
T3
I/O/Z
IPD
EM_A[14]/
GPIO17/
VLYNQ_RXD3
P4
I/O/Z
IPD
EM_A[16]/
GPIO15/
VLYNQ_RXD2
R5
I/O/Z
IPD
EM_A[18]/
GPIO13/
VLYNQ_RXD1
P5
I/O/Z
IPD
EM_A[20]/
GPIO11/
VLYNQ_RXD0
R3
I/O/Z
IPD
(1)
(2)
I = Input, O = Output, Z = High impedance, S = Supply voltage, GND = Ground, A = Analog signal
IPD = Internal pulldown, IPU = Internal pullup. (To pull up a signal to the opposite supply rail, a 1-k
resistor should be used.)
Table 2-23. VPFE Terminal Functions
SIGNAL
NAME
IPD/
IPU
(2)
TYPE
(1)
DESCRIPTION
NO.
VIDEO/IMAGE IN (VPFE)
Pixel clock input used to load image data into the CCD Controller (CCDC) on pins
CI[7:0] and YI[7:0].
Vertical synchronization signal that can be either an input (slave mode) or an
output (master mode), which signals the start of a new frame to the CCDC.
PCLK
M19
I
VD
L19
I/O/Z
(1)
(2)
I = Input, O = Output, Z = High impedance, S = Supply voltage, GND = Ground, A = Analog signal
IPD = Internal pulldown, IPU = Internal pullup. (To pull up a signal to the opposite supply rail, a 1-k
resistor should be used.)
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