Switching characteristics - serial audio port – Cirrus Logic CS5341 User Manual
Page 11
DS564F2
11
CS5341
Confidential Draft
3/11/08
SWITCHING CHARACTERISTICS - SERIAL AUDIO PORT
(Logic "0" = GND = 0 V; Logic "1" = VL, C
L
= 20 pF)
11. For a description of speed modes, please refer to
Parameter
Symbol
Min
Typ
Max
Unit
MCLK Specifications
MCLK Period
t
clkw
39
-
45
ns
78
-
1953
ns
MCLK Pulse Duty Cycle
40
-
60
%
Master Mode
SCLK falling to LRCK
Single-Speed
t
mslr
-20
-
20
ns
Double-Speed
-20
-
20
ns
Quad-Speed
-8
-
8
ns
SCLK falling to SDOUT valid.
t
sdo
-
-
32
ns
SCLK Duty Cycle.
Single-Speed
-
50
-
%
Double-Speed
-
50
-
%
Quad-Speed
-
33
-
%
Slave Mode
LRCK Duty Cycle
40
50
60
%
SCLK Period
t
sclkw
156
-
-
ns
SCLK Duty Cycle
45
50
55
%
SDOUT valid before SCLK rising
t
stp
10
-
-
ns
SDOUT valid after SCLK rising
t
hld
5
-
-
ns
SCLK falling to LRCK edge
t
slrd
-20
-
20
ns
Double-Speed
LRCK Duty Cycle
40
50
60
%
SCLK Period
t
sclkw
156
-
-
ns
SCLK Duty Cycle
45
50
55
%
SDOUT valid before SCLK rising
t
stp
10
-
-
ns
SDOUT valid after SCLK rising
t
hld
5
-
-
ns
SCLK falling to LRCK edge.
t
slrd
-20
-
20
ns
LRCK Duty Cycle
40
50
60
%
SCLK Period
t
sclkw
78
-
-
ns
SCLK Duty Cycle
29.7
33
50
%
SDOUT valid before SCLK rising
t
stp
10
-
-
ns
SDOUT valid after SCLK rising
t
hld
5
-
-
ns
SCLK falling to LRCK edge.
t
slrd
-8
-
8
ns