Figure 10. Software Mode Audio Data Flow Switching Options; Figure 11. Cs8427 Clock Routing - Cirrus Logic Crystal CS8427 Series Preliminary Product Information

ILRCK
ISCLK
SDIN
RXN
RXP
ILRCK
ISCLK
SDIN
RXP
RMCK
Note: When SWCLK mode is enabled, signal input on OMCK is only output through RMCK and
not routed back through the RXD1 multiplexer; RMCK is not bi-directional in this mode.
*
18
Serial
Audio
Input
AES3
Receiver

Figure 10. Software Mode Audio Data Flow Switching Options

SOMS
Serial
Audio
Input
ILRCK
MUX
I O
I
RXD0
MUX
PLL
RXD1
Int. RMCK
O
MUX
I
*

Figure 11. CS8427 Clock Routing

SPD
MUX
AES3
MUX
Encoder
TXD
Channel
Status
INC
Buffer
O
Memory
User
Bit
Buffer
Memory
OLRCK
Serial
Audio
OSCLK
Output
SDOUT
AESBP TXOFF
TXP
TXN
OLRCK
Serial
OSCLK
Audio
Output SDOUT
TXP
Transmit
TXN
MUX
OUTC
I O
OMCK
SWCLK
UNLOCK
CS8427
DS477PP1