CS4245_07 Datasheet, PDF (22/57 Pages) Cirrus Logic – 104 dB, 24-Bit, 192 kHz Stereo Audio CODEC

SWITCHING CHARACTERISTICS - SERIAL AUDIO PORT 1
Logic ‘0’ = DGND = AGND = 0 V; Logic ‘1’ = VL, C_L = 20 pF. (Note 28)
Parameter
Symbol Min
Typ
Sample Rate
MCLK Specifications
Single Speed Mode Fs
4
-
Double Speed Mode Fs
50
-
Quad Speed Mode Fs
100
-
MCLK1 Input Frequency
fmclk
1.024
-
MCLK1 Input Pulse Width High/Low
Master Mode
tclkhl
8
-
LRCK1 Duty Cycle
-
50
SCLK1 Duty Cycle
-
50
SCLK1 falling to LRCK1 edge
SCLK1 falling to SDOUT valid
Slave Mode
t_slr
-10
-
t_sdo
0
-
LRCK1 Duty Cycle
40
50
SCLK1 Period
Single-Speed Mode t_sclkw
(^---1^---2^-1--8^-0--)^-9--F^----s^-
-
Double-Speed Mode t_sclkw
(^---6^--1-4^--0-)^---9F^----s^-
-
Quad-Speed Mode t_sclkw
(^---6^--1-4^--0-)^---9F^----s^-
-
SCLK1 Pulse Width High
SCLK1 Pulse Width Low
SCLK1 falling to LRCK1 edge
SCLK1 falling to SDOUT valid
t_sclkh
30
-
t_sclkl
48
-
t_slr
-10
-
t_sdo
0
-
28. See Figure 3 and Figure 4 on page 23.
CS4245
Max
50
100
200
51.200
-
-
-
10
36
60
-
Unit
kHz
kHz
kHz
MHz
ns
%
%
ns
ns
%
ns
-
ns
-
ns
-
ns
-
ns
10
ns
36
ns
22
DS656F2