YMF743 Datasheet, PDF (9/24 Pages) YAMAHA CORPORATION – AC’97 Revsion2.1 Audio CODEC with Digital Audio I/F

YMF743
1Ah : Record Select (Read/Write, Default: 0000h)
D15 D14 D13 D12 D11 D10 D9 D8 D7 D6 D5 D4 D3 D2 D1 D0
-
-
-
-
-
SL2-0
-
-
-
-
-
SR2-0
SL2-0 ............These bits select the left channel source for A/D converter.
SR2-0............These bits select the right channel source for A/D converter.
SL2 SL1 SL0
Left Source
SR2 SR1 SR0 Right Source
0
0
0
Mic
0
0
0
Mic
0
0
1
CD L-ch
0
0
1
CD R-ch
0
1
0
Video L-ch
0
1
0
Video R-ch
0
1
1
Aux L-ch
0
1
1
Aux R-ch
1
0
0
Line in L-ch
1
0
0
Line in R-ch
1
0
1
Stereo Mix L-ch
1
0
1
Stereo Mix R-ch
1
1
0
Mono Mix
1
1
0
Mono Mix
1
1
1
Phone
1
1
1
Phone
1Ch : Record Gain (Read/Write, Default: 8000h)
D15 D14 D13 D12 D11 D10 D9 D8 D7 D6 D5 D4 D3 D2 D1 D0
Mute -
-
-
GL3-0
-
-
-
-
GR3-0
Mute..............Setting this bit to “1” mutes the source which is selected at 1Ah:Record Select.
GL3-0 ...........These bits determine the volume level, which is selected at 1Ah:Record Select SL2-0 bits, by
1.5dB step. The volume range is from 0dB to +22.5dB. When all bits are set to “0”, volume is
minimum (0dB) and when all bits are set to “1”, volume is maximum (+22.5dB).
GR3-0 ...........These bits determine the volume level, which is selected at 1Ah:Record Select SR2-0 bits, by
1.5dB step. Setting to them is the same as the upper GL3-0 bits.
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December 18, 2000