CS4922 View Datasheet(PDF) - Cirrus Logic
Part Name
Description
MFG CO.
'CS4922' PDF : 33 Pages View PDF
CS4922
SWITCHING CHARACTERISTICS - SERIAL AUDIO PORT (TA = 25 °C; VA+, VD+ =
5V; Inputs: Logic 0 = GND, Logic 1 = VD+; CL = 20 pF)
Parameter
Symbol Min Typ Max Units
SCLK Frequency
-
- 12.5 MHz
SCLK Pulse Width Low
SCLK Pulse Width High
SCLK rising to FSYNC edge delay
SCLK rising to FSYNC edge setup
SDATA valid to SCLK rising setup
SCLK rising to SDATA hold time
Rise time of SCLK
tsckl
25
-
-
ns
tsckh
25
-
-
ns
(Note 15) tsfds
20
-
-
ns
(Note 15) tsfs
20
-
-
ns
(Note 15) tsss
20
-
-
ns
(Note 15) tssh
20
-
-
ns
tsclr
-
-
20
ns
Notes: 15. The table above assumes data is output on the falling edge and latched on the rising edge. The SCLK
edge is selectable in setting the EDG bit in the ASICN register. The diagram is for EDG = 1.
FSYNC
SCLK
SDATA
t sfds
t sfs
t sckl t sckh
t sclr
t sss t ssh
Figure 4. Serial Audio Port Timing
12
Share Link: 
