Texas Instruments DEM-DAI3793A User Manual
www.ti.com
4.4
Daughter Card #2 (DIR: LC89052T and DIT: DIT4096)
Daughter Card #2 (DIR: LC89052T and DIT: DIT4096)
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)
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.
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.
that the OFF state of this switch sets a HIGH level.
(1)
See the
(TI literature number
, available for download from
the
) for further information.
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