Fihonest Communication Co. Ltd. JS-BTM256 Manuel D’Utilisation
Fihonest Communication Co.,Ltd.
Fihonest Communication Co.,Ltd
11
Proprietary and Confidential
®
3.3 Audio Codec/PCM
AUD_CLK
AUD_IN/FSYNC_IN
AUD_OUT/FSYNC_OUT
3.3.1 PCM Maste
Symbol
Parameter
Condition
Min
Max
Unit
Tclk
Cycle time
62.5(16MHz)
Tw
High or low pulse width
40% of Tclk
Tis
AUD_IN setup time
8
Tih
AUD_IN hold time
0
Tis
AUD_FSYNC setup time
8
Tih
AUD_FSYNC hold time
0
Top
AUD_OUT propagation time
40pF load
0
21
ns
3.3.2 PCM Slave
Symbol
Parameter
Condition
Min
Max
Unit
Tclk
Cycle time
62.5(16MHz)
Tw
High or low pulse width
40% of Tclk
Tis
AUD_IN setup time
8
Tih
AUD_IN hold time
0
Tis
AUD_FSYNC setup time
8
Tih
AUD_FSYNC hold time
0
ns
Tclk
Tw
Tw
Tis
Tih
Top