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CS4237B Datasheet(PDF) 56 Page - Cirrus Logic

Part # CS4237B
Description  CrystalClear Advanced Audio System with 3D Sound
Download  114 Pages
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Manufacturer  CIRRUS [Cirrus Logic]
Direct Link  http://www.cirrus.com
Logo CIRRUS - Cirrus Logic

CS4237B Datasheet(HTML) 56 Page - Cirrus Logic

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Left Wavetable Serial Port Volume (X16)
Default = 00000000
D7
D6
D5
D4
D3
D2
D1
D0
LWM
res
LWG5
LWG4
LWG3
LWG2
LWG1
LWG0
This Wavetable volume register can also be control-
led through I18 when WTEN=1 (C8 or Global Config.
byte) & WTRMD=0 (X4).
LWG5-LWG0
Left Wavetable Serial Port Gain.
Least significant bit represents
1.5 dB, with 01000 = 0 dB.
See Table 6.
res
Reserved. Must write 0. Could read
as 0 or 1.
LWM
Left Wavetable Serial Port Mute.
When set, the Left Wavetable Serial
Input to the digital mixer is muted.
Right Wavetable Serial Port Volume (X17)
Default = 00000000
D7
D6
D5
D4
D3
D2
D1
D0
RWM
res
RWG5
RWG4
RWG3
RWG2
RWG1
RWG0
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.
Least significant bit represents
1.5 dB, with 01000 = 0 dB.
See Table 6.
res
Reserved. Must write 0. Could read
as 0 or 1.
RWM
Right Wavetable Serial Port Mute.
When set, the Right Wavetable Se-
rial Input to the digital mixer is
muted.
Chip Version and ID (X25)
Default = 11001000
D7
D6
D5
D4
D3
D2
D1
D0
V2
V1
V0
CID4
CID3
CID2
CID1
CID0
This register was added to Revision C silicon. In revi-
sion B, this register read 0x00.
CID5-CID0
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
V2-V0
Version Number. As enhancements
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
DS213PP4
CS4237B
56


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