cs4237b Cirrus Logic, Inc., cs4237b Datasheet - Page 56

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

Left Wavetable Serial Port Volume (X16)
Default = 00000000
This Wavetable volume register can also be control-
led through I18 when WTEN=1 (C8 or Global Config.
byte) & WTRMD=0 (X4).
LWG5-LWG0
res
LWM
Right Wavetable Serial Port Volume (X17)
Default = 00000000
This Wavetable volume register can also be control-
led through I19 when WTEN=1 (C8 or Global Config.
byte) & WTRMD=0 (X4).
RWG5-RWG0 Right Wavetable Serial Port Gain.
res
RWM
56
RWM
LWM
D7
D7
D6
D6
res
res
RWG5 RWG4 RWG3 RWG2 RWG1 RWG0
LWG5
D5
D5
Left Wavetable Serial Port Gain.
Least significant bit represents
1.5 dB, with 01000 = 0 dB.
See Table 6.
Reserved. Must write 0. Could read
as 0 or 1.
Left Wavetable Serial Port Mute.
When set, the Left Wavetable Serial
Input to the digital mixer is muted.
Least significant bit represents
1.5 dB, with 01000 = 0 dB.
See Table 6.
Reserved. Must write 0. Could read
as 0 or 1.
Right Wavetable Serial Port Mute.
When set, the Right Wavetable Se-
rial Input to the digital mixer is
muted.
LWG4
D4
D4
LWG3
D3
D3
LWG2
D2
D2
LWG1
D1
D1
LWG0
D0
D0
Chip Version and ID (X25)
Default = 11001000
This register was added to Revision C silicon. In revi-
sion B, this register read 0x00.
CID5-CID0
V2-V0
D7
V2
D6
V1
D5
V0
Chip Identification. Distinguishes
between this chip and other codec
chips that support this register set.
This register is identical to C1 and
replaces the ID register in I25.
00000 - CS4237B, Revision B
01000 - CS4237B
are made, the version number is
changed so software can distinguish
between the different versions of the
same chip.
000 - Revision B
110 - Revision C/D
111 - Revision E
Version Number. As enhancements
CID4
D4
CID3
D3
CID2
D2
CS4237B
CID1
D1
DS213PP4
CID0
D0