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P
TMS320DM6446
Digital Media System on-Chip
SPRS283–DECEMBER 2005
Table 2-24. VPBE Terminal Functions (continued)
SIGNAL
IPD/
IPU
(2)
TYPE
(1)
DESCRIPTION
NAME
NO.
This pin is multiplexed between GPIO, the VPFE, and the VPBE. In GPIO
mode, it is GPIO pin GPIO4.
In VPBE mode, it is RGB888 Red data bit 0 output R0.
In VPFE mode, it is CCDC field identification bidirectional signal C_FIELD.
This pin is multiplexed between GPIO and the VPBE. In GPIO mode, it is
GPIO pin GPIO5.
In VPBE mode, it is RGB888 Green data bit 1 output G1.
This pin is multiplexed between GPIO and the VPBE. In GPIO mode, it is
GPIO pin GPIO6.
In VPBE mode, it is RGB888 Blue data bit 1 output B1.
This pin is multiplexed between VPBE and GPIO. When used by GPIO, it
is GPIO38.
In VPBE mode, it is RGB888 Red output data bit 1.
This pin is multiplexed between PWM1, VPBE, and GPIO. For PWM1, it is
output PWM1.
In VPBE mode, it is RGB888 Red output bit 2 (R2).
For GPIO, it is GPIO46.
This pin is multiplexed between PWM2, VPBE, and GPIO. For PWM2, it is
output PWM2.
In VPBE mode, it is RGB888 Blue output bit 2 (B2).
For GPIO, it is GPIO47.
GPIO4/
R0/
C_FIELD
B14
I/O/Z
IPD
GPIO5/
G1
E14
I/O/Z
IPD
GPIO6/
B1
A14
I/O/Z
IPD
GPIO38/
R1
D14
I/O/Z
IPD
PWM1/
R2/
GPIO46
B15
I/O/Z
IPD
PWM2/
B2/
GPIO47
A15
I/O/Z
IPD
Table 2-25. DAC [Part of VPBE] Terminal Functions
SIGNAL
NAME
IPD/
IPU
(2)
TYPE
(1)
DESCRIPTION
NO.
DAC[A:D]
DAC_VREF
DAC_IOUT_A
DAC_IOUT_B
DAC_IOUT_C
DAC_IOUT_D
V
DDA_1P8V
V
SSA_1P8V
V
DDA_1P1V
V
SSA_1P1V
R17
P19
P18
R19
T19
R18
P17
P16
T18
A I
A O
A O
A O
A O
S
GND
S
GND
Reference voltage input (0.5 V)
Output of DAC A
Output of DAC B
Output of DAC C
Output of DAC D
1.8 V Analog I/O power
Analog I/O ground
1.20 V Analog core supply voltage (-594 device)
Analog core ground
External resistor connection for current bias configuration. This must be connected
via a 4 k
resistor to V
SSA_1P8V
.
DAC_RBIAS
R16
A I
(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.)
Device Overview
46