YMF753 Datasheet, PDF (10/26 Pages) YAMAHA CORPORATION – AC97 Revision2.2 Audio CODEC with Digital Audio I/F

YMF753
20h : General Purpose (Read/Write, Default: 0000h)
D15 D14 D13 D12 D11 D10 D9 D8 D7 D6 D5 D4 D3 D2 D1 D0
POP - 3D -
-
- MIX MS LPBK -
-
-
-
-
-
-
POP...............This bit selects whether PCM (DAC) output is gone through the 3D and Tone (Bass / Treble) or
not.
“0” : PCM (DAC) output is gone through the 3D and Tone.
“1” : PCM (DAC) output is bypassed the 3D and Tone.
3D .................This bit selects whether 3D enhancement is used or not.
“0” : Off
“1” : On
MIX ..............This bit selects the output to MONO_OUT(No.37).
“0” : All mixing sources are output to MONO_OUT.
“1” : The microphone input is output to MONO_OUT.
MS ................This bit selects either MIC1 or MIC2 for the microphone input.
“0” : MIC1 (No.21)
“1” : MIC2 (No.22)
LPBK............This bit selects data to the D/A converter.
“0” : Data from the AC-Link
“1” : Loopback from A/D converted data
22h : 3D Control (Read/Write, Default: 0000h)
D15 D14 D13 D12 D11 D10 D9 D8 D7 D6 D5 D4 D3 D2 D1 D0
-
-
-
-
WD3-1
-
-
-
-
-
-
-
-
-
WD3-1 ..........These bits determine the wide level of 3D enhancement (wide stereo). The wide range is from
0% to 100%. When all bits are set to “0”, wide level is 0% and when all bits are set to “1”, wide
level is 100%.
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March 6, 2001