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4.4
Daughter Card #2 (DIR: LC89052T and DIT: DIT4096)
Daughter Card #2 (DIR: LC89052T and DIT: DIT4096)
Table 4-6
lists the connector references for the second DEM-DAI3793A/3794A EVM daughter card.
Table 4-6. Analog Input and Output—Daughter Card #2
Connectors
Analog Input and Output of Daughter Card #2
SW001
Toggle switch. Opt/Coax selector for S/PDIF input
SW002
Toggle switch. Reset/Power-down LC89052T and DIT4096
SW003
Clock source selection for LC89052T (Onboard crystal oscillator or
external source from CN306 of motherboard)
SW004
DIP switch. Sets channel-status data of the DIT4096
(1)
. Note that the
OFF state of this switch sets a HIGH level. Channel-status data can
be set up if needed. It is also possible to connect a microcontroller.
SW005
DIP switch. Sets the DIT4096 system clock and data format. Note
that the OFF state of this switch sets a HIGH level.
(1)
See the
DIT4096 product data sheet
(TI literature number
SBOS225
, available for download from
the
TI web site
) for further information.
Table 4-7
describes the audio clock and data control format options for Daughter Card #2.
Table 4-7. Audio Clock and Input Data Control
Format—Daughter Card #2
CLK0
CLK1
System Clock
L
L
Not used
L
H
256f
S
(initial setting)
H
L
384f
S
H
H
512f
S
FMT0
FMT1
Input Data Format
L
L
24-bit, left-justified, MSB-first
L
H
24-bit, I
2
S (initial setting)
H
L
24-bit, right-justified, MSB-first
H
H
16-bit, right-justified, MSB-first
Switches and Connectors
48
SBAU127 – July 2007
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Содержание DEM-DAI3793A
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