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TMS320DM6437
Digital Media Processor
SPRS345B–NOVEMBER 2006–REVISED MARCH 2007
Table 2-21. DAC [Part of VPBE] Terminal Functions
SIGNAL
TYPE
(1)
OTHER
(2)(3)
DESCRIPTION
ZWT
NO.
ZDU
NO.
NAME
DAC[A:D]
Reference voltage input (0.5 V)
DAC_VREF
N19
V22
A I
(3)
Note:
If the DAC peripheral is not being used, for proper device
operation, this pin must be tied directly to V
SS
.
Output of DAC A
DAC_IOUT_A
P19
V21
A O
Note:
If the DAC peripheral is not being used, for proper device
operation, this pin must be left unconnected.
Output of DAC B
DAC_IOUT_B
P18
U22
A O
Note:
If the DAC peripheral is not being used, for proper device
operation, this pin must be left unconnected.
Output of DAC C
DAC_IOUT_C
N18
T21
A O
Note:
If the DAC peripheral is not being used, for proper device
operation, this pin must be left unconnected.
Output of DAC D
DAC_IOUT_D
N17
T22
A O
Note:
If the DAC peripheral is not being used, for proper device
operation, this pin must be left unconnected.
1.8 V Analog I/O power
V
DDA_1P8V
P17
V20
S
(3)
Note:
If the DAC peripheral is not being used, for proper device
operation, this pin must be tied directly to V
SS
.
Analog I/O ground
V
SSA_1P8V
P16
U20
GND
(3)
Note:
If the DAC peripheral is not being used, for proper device
operation, this pin must be tied directly to V
SS
.
1.20 V Analog core supply voltage (-600, -500, -400 devices)
1.05 V Analog core supply voltage (-400 devices)
V
DDA_1P1V
N15
T20
S
(3)
Note:
If the DAC peripheral is not being used, for proper device
operation, this pin must be tied directly to V
SS
.
Analog core ground
V
SSA_1P1V
P15
T19
GND
(3)
Note:
If the DAC peripheral is not being used, for proper device
operation, this pin must be tied directly to V
SS
.
External resistor connection for current bias configuration.
This must be connected via a 4 k
resistor to V
SSA_1P8V
.
DAC_RBIAS
N16
U21
A I
(3)
Note:
If the DAC peripheral is not being used, for proper device
operation, this pin must be tied directly to V
SS
.
(1)
(2)
(3)
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
For more information, see the
Recommended Operating Conditions
table
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