Cs4391 – Cirrus Logic CS4391 User Manual
Page 3

CS4391
DS335PP4
3
Serial Audio Data - SDATA ...........................................................................................21
Serial Clock - SCLK ......................................................................................................22
Left / Right Clock - LRCK ..............................................................................................22
Master Clock - MCLK ....................................................................................................22
Mode Select - M3, M2, M1 and M0 (Stand-alone Mode) .............................................22
Mode Select - M3 (Control Port Mode) ........................................................................22
Serial Control Interface Clock - SCL/CCLK (Control Port Mode) .................................23
Serial Control Data I/O - SDA/CDIN (Control Port Mode) .............................................23
Address Bit / Chip Select - AD0 / CS (Control Port Mode)...........................................23
Positive Voltage Reference - FILT+ ..............................................................................23
Common Mode Voltage - CMOUT ................................................................................23
Channel A and Channel B Mute Control - AMUTEC and BMUTEC .............................23
Differential Analog Output - AOUTB+, AOUTB- and AOUTA+, AOUTA-......................24
Analog Ground - AGND ................................................................................................24
Analog Power - VA ........................................................................................................24
10. REFERENCES ...............................................................................................................37
11. PACKAGE DIMENSIONS ...........................................................................................38