Datasheet

4−5
4.4.3 Serial Audio Port Slave-Mode Signals Over Recommended Operating Conditions (unless
otherwise noted)
PARAMETER
TEST
CONDITIONS
MIN TYP MAX UNITS
f
LRCLK
Frequency, LRCLK (Fs) 8 96 kHz
t
w(SCLKIN)
Pulse duration, SCLKIN high See Note 2 0.25 H
SCLKIN
HSCLKIN 0.75 H
SCLKIN
ns
f
SCLKIN
Frequency, SCLKIN See Note 1 32 Fs 25 MHz
t
cyc
Cycle time, SCLKIN See Note 1 40 1/32 Fs ns
t
pd1
Propagation delay, SCLKIN falling edge to
SDOUT
15.1 ns
t
su1
Setup time, LRCLK to SCLKIN rising edge 6.6 ns
t
h1
Hold time, LRCLK from SCLKIN rising edge 0 ns
t
su2
Setup time, SDIN to SCLKIN rising edge 1.15 ns
t
h2
Hold time, SDIN from SCLKIN rising edge 2.3 ns
t
pd2
Propagation delay,
SCLKIN falling edge
SCLKOUT2 = SCLKIN 12.4 ns
t
pd2
SCLKIN falling edge
to SCLKOUT2 falling
edge
SCLKOUT2 < SCLKIN 12.5 ns
NOTES: 1. Typical duty cycle is 50/50.
2. H
SCLKIN
= 1/2f
SCLKIN
SCLKIN
LRCLK
(Input)
SDOUT1
SDOUT2
SDOUT3
SDIN1
SDIN2
SDIN3
SCLKOUT2
t
h1
t
su1
t
pd1
t
pd2
t
su2
t
h2
t
cyc
t
w(SCLKIN)
SDIN4
Figure 4−3. Serial Audio Port Slave-Mode Timing Waveforms