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ADVANCE INFORMATION<br />
<strong>UAC</strong> <strong>357xB</strong><br />
5.6.5. I 2 S Interface Timing Characteristics<br />
Symbol Parameter Pin Name Min. Typ. Max. Unit Test Conditions<br />
t s_I2S<br />
t h_I2S<br />
I 2 S Input Setup Time<br />
before Rising Edge of Clock<br />
I 2 S Input Hold Time<br />
after Rising Edge of Clock<br />
CLI<br />
DAI<br />
USBCLK<br />
USBDAT<br />
10 ns<br />
40 ns<br />
t d_I2S<br />
I 2 S Output Delay Time<br />
after Falling Edge of Clock<br />
CLI<br />
WSI<br />
DAO<br />
USBCLK<br />
USBWSI<br />
USBDAT<br />
30 ns C L =30 pF<br />
t o_I2S<br />
I 2 S Output Setup Time<br />
before Rising Edge of Clock<br />
CLI<br />
DAO<br />
USBCLK<br />
USBDAT<br />
4 ns C L =30 pF<br />
The interfaces can be used in three different modes.<br />
WSI - Input<br />
1/F I2SWS<br />
CLI - Input<br />
SONY format<br />
PHILIPS format<br />
Detail D<br />
SONY format<br />
PHILIPS format<br />
Detail C<br />
Detail A<br />
DAI - Input<br />
R LSB L MSB<br />
L LSB R MSB<br />
R LSB L LSB<br />
16/32 bit left channel<br />
16/32 bit right channel<br />
Detail B<br />
DAO - Output<br />
R LSB L MSB<br />
L LSB R MSB<br />
R LSB L LSB<br />
16/32 bit left channel<br />
16/32 bit right channel<br />
Detail C<br />
1/F CLI =325.5 ns<br />
Detail D<br />
1/F CLI =325.5 ns<br />
Detail A,B<br />
CLI - Output<br />
CLI - Output<br />
CLI - Output<br />
T s_I2S T h_I2S<br />
DAI - Input<br />
T s_I2S<br />
T d_I2S<br />
T o_I2S<br />
T d_I2S<br />
WSI as OUTPUT<br />
WSI as OUTPUT<br />
DAO - Output<br />
(30 pF load)<br />
Fig. 5–22: Timing: synchronous I 2 S input / output<br />
Micronas Aug. 20, 2004; 6251-650-1AI 49
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