CS98100 Cirrus Logic, Inc., CS98100 Datasheet - Page 13

• Manufacturer Part Number: CS98100
• Description: DVD Video Processor With Progressive Scan
• Manufacturer: Cirrus Logic, Inc.

1.4
Figure 8
pin clocks at 8x the frequency of the AUD_BCK pin. The AUD_BCK pin outputs at 32x or 48x of the
sample frequency, and transitions on the falling edge of the AUD_XCK pin. AUD_BCK is shown without
polarity to indicate the polarity is programmable.
*AUD_BCK (Output)
* Active clock edge is programmable. Timing is referenced from active edge
AIN_DATA (Input)
AIN_LRCK (Input)
Digital Audio Interface Timing
tslri
tsdi
thsdi
and
Symbol
Figure 9
AIN_LRCK setup to AUD_BCK active edge
AIN_DATA setup to AUD_BCK active edge
AIN_DATA hold time after AUD_BCK active edge 1
illustrate the signal timing for the digital audio pins. The bi-directional AUD_XCK
Table 5. Digital Audio In Characteristics
Figure 8. Digital Audio In Timing Diagram
Description
t
t
lrts
sdsus
t
sdhs
2.5
2.5
Min
Typ
-
-
-
Max
CS98100
ns
ns
ns
Unit
13