User's Manual

ATM100
Version 1.0 page 8 of 14
I2S Communication Interface Timing
I2S Interface Timing
Parameter MIN TYP MAX UNIT Notes
V
L
Low voltage level -0.3 0 0.4 V
V
L
High voltage level 2.4 3.3 3.6 V
T Clock period 325.5 ns 1/3.072MHz
T
LO
Clock low period 0.4T 0.6T
T
HI
Clock high period 0.4T 0.6T
T
R
Rise time 50 ns
T
F
Fall time 50 ns
T
S
u
Setup time 25 ns
T
Hd
Hold time 25 ns
T
Od
Output delay -25 25 ns
Bit clocks/Word
clock
64
I2S protocol is “I2S Justified” as shown below.