cs4237b Cirrus Logic, Inc., cs4237b Datasheet - Page 65

• Manufacturer Part Number: cs4237b
• Description: Crystalclear Advanced Audio System With 3d Sound
• Manufacturer: Cirrus Logic, Inc.

Control Indirect Registers
The Control Indirect registers are accessed
thr ough CTRLbase+3 and CTRLbase+4.
CTRLbase+3 is the address register and
CTRLbase+4 is the data register used to access
C0 through C8 indirect registers.
WSS Master Control (C0)
Default = 0xxxxxxx
res
RWSS
Version / Chip ID (C1)
Default = 11001000
CID4-CID0
V2-V0
DS213PP4
RWSS
D7
V2
D7
D6
V1
D6
res
D5
V0
Reserved. Must write 0. Could read
as 0 or 1.
Reset WSS registers. Setting this bit
forces the WSS registers to zero,
then clearing this bit forces the WSS
registers to their default state.
Chip Identification. Distinguishes
between this chip and other codec
chips that support this register set.
This register is identical to the WSS
X25 register.
01000 - CS4237B
Version number. As enhancements
are made, the version number is
changed so software can distinguish
between the different versions of the
same chip.
100 - Revision A
101 - Revision B
110 - Revision C/D
111 - Revision E
D5
res
CID4
D4
D4
res
CID3
D3
D3
res
CID2
D2
D2
res
CID1
D1
D1
res
CID0
D0
D0
res
CTRLbase+3
CTRLbase+4
Index
Address
C0
C1
C2
C3
C4
C5
C6
C7
C8
Table 22. Control Indirect Access Registers
Table 23. Control Indirect Registers
WSS Master Control
Version / Chip ID
3D Space and Center
3D Enable
Consumer Serial Port Enable
Lower Channel Status
Upper Channel Status
Reserved
CS9236 Wavetable Control
Control Indirect Address
Control Indirect Data
Register Name
Register Name
CS4237B
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