Table 6-3. Dao1 & Dao2 Clocking Relationship Configuration (Parameter B); Table 6-4. Output Dao_Sclk/Lrclk Configuration (Parameter C) - Cirrus Logic CS485 Series User Manual

Table 6-3. DAO1 & DAO2 Clocking Relationship Configuration (Parameter B)
Please refer to Table
contained in Table
Table 6-4 shows values and messages for the output DAO_SCLK/LRCLK frequency configuration
parameter.
C Value
0 (default)
DS734UM7
B
DAO1 & DAO2 Clocking Relationship Hex Message
Value
a
DAO2 dependent on DAO1 clocks
0
a. This command is required because the DAO2 clocks are not
bonded out.
6-4, Table 6-5, and Table 6-6
6-2.

Table 6-4. Output DAO_SCLK/LRCLK Configuration (Parameter C)

DAO_SCLK Frequency
DAO_MCLK = 256 FS
DAO_SCLK = DAO_MCLK / 4 = 64 FS
DAO_LRCLK = DAO_SCLK / 64 = FS
DAO_MCLK = 256 FS
1
DAO_SCLK = DAO_MCLK / 2 = 128 FS
DAO_LRCLK = DAO_SCLK / 128 = FS
DAO_MCLK = 256 FS
2
DAO_SCLK = DAO_MCLK / 1 = 256 FS
DAO_LRCLK = DAO_SCLK / 256 = FS
DAO_MCLK = 128 FS
3
DAO_SCLK = DAO_MCLK / 2 = 64 FS
DAO_LRCLK = DAO_SCLK / 64 = FS
Copyright 2009 Cirrus Logic, Inc.
Digital Audio Output Port Description
0x8140001B
0x00002000
for examples of the clocking directions for the settings
Hex Message
0x8100002D
0x00007711
0x8100002E
0x00007711
0x8180001C
0xFFFFFF8F
0x8140001C
0x00000020
0x8100002D
0x00017701
0x8100002E
0x00017701
0x8180001C
0xFFFFFF8F
0x8140001C
0x00000040
0x8100002D
0x00037700
0x8100002E
0x00037700
0x8180001C
0xFFFFFF8F
0x8140001C
0x00000060
0x8100002D
0x00007701
0x8100002E
0x00007701
0x8180001C
0xFFFFFF8F
0x8140001C
0x00000020
CS485xx Hardware User's Manual
6-6