cs4924 Cirrus Logic, Inc., cs4924 Datasheet - Page 16

• Manufacturer Part Number: cs4924
• Description: Multi-channel Digital Audio Decoders Logic
• Manufacturer: Cirrus Logic, Inc.

SWITCHING CHARACTERISTICS—DIGITAL AUDIO INPUT
(T
Notes: 19. Master mode timing specifications are characterized, not production tested.
16
SCLKN1(2) period for both Master and Slave mode
SCLKN1(2) duty cycle for Master and Slave mode
Master Mode
LRCLKN1(2) delay after SCLKN1(2) transition
SDATAN1(2) setup to SCLKN1(2) transition
SDATAN1(2) hold time after SCLKN1(2) transition
Slave Mode
Time from active edge of SCLKN1(2) to LRCLKN1(2) transition
Time from LRCLKN1(2) transition to SCLKN1(2) active edge
SDATAN1(2) setup to SCLKN1(2) transition
SDATAN1(2) hold time after SCLKN1(2) transition
A
= 25 C; VA, VD = 3.3 V 5%; Inputs: Logic 0 = DGND, Logic 1 = VD, C
20. Master mode is defined as the CS4923 driving LRCLKN1(2) and SCLKN1(2). Master or Slave mode
21. This timing parameter is defined from the non-active edge of SCLKN1(2). The active edge of
22. This timing parameter is defined from the active edge of SCLKN1(2). The active edge of SCLKN1(2) is
23. Slave mode is defined as SCLKN1(2) and LRCLKN1(2) being driven by an external source.
can be programmed.
SCLKN1(2) is the point at which the data is valid.
the point at which the data is valid.
Parameter
(Note 19,20)
(Note 19)
(Note 19)
(Note 21)
(Note 22) T
(Note 22)
(Note 23)
(Note 22)
(Note 22)
Symbol
T
T
L
T
T
T
sdsum
T
T
sdsus
sdhm
sdhs
sclki
= 20 pF)
lrds
stlr
lrts
CS4923/4/5/6/7/8/9
Min
40
45
10
10
10
5
5
5
-
Max
55
10
-
-
-
-
-
-
-
DS262F2
Unit
ns
ns
ns
ns
ns
ns
ns
ns
%