YMF753 Datasheet, PDF(8/26 Page) YAMAHA CORPORATION – AC97 Revision2.2 Audio CODEC with Digital Audio I/F

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YMF753 Datasheet, PDF (8/26 Pages) YAMAHA CORPORATION – AC97 Revision2.2 Audio CODEC with Digital Audio I/F

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YMF753

0Ah : PC_BEEP Volume (Read/Write, Default: 0000h)

D15 D14 D13 D12 D11 D10 D9 D8 D7 D6 D5 D4 D3 D2 D1 D0

Mute -

PV3-0

Mute..............Setting this bit to â1â mutes the PC_BEEP.

PV3-0............These bits determine the volume level of the PC_BEEP by 3.0dB step. The volume range is from

0dB to -45dB. When all bits are set to â0â, volume is maximum (0dB) and when all bits are set

to â1â, volume is minimum (-45dB).

0Ch : Phone Volume (Read/Write, Default: 8008h)

D15 D14 D13 D12 D11 D10 D9 D8 D7 D6 D5 D4 D3 D2 D1 D0

Mute -

GN4-0

Mute..............Setting this bit to â1â mutes the Phone.

GN4-0 ...........These bits determine the volume level of the Phone by 1.5dB step. The volume range is from

+12dB to -34.5dB. When all bits are set to â0â, volume is maximum (+12dB) and when all bits

are set to â1â, volume is minimum (-34.5dB).

0Eh : Mic Volume (Read/Write, Default: 8008h)

D15 D14 D13 D12 D11 D10 D9 D8 D7 D6 D5 D4 D3 D2 D1 D0

Mute -

- 20dB -

GN4-0

Mute..............Setting this bit to â1â mutes the Microphone.

20dB .............Setting this bit to â1â increases +20dB for the microphone volume, which is set to GN4-0 bits.

GN4-0 ...........These bits determine the volume level of the microphone by 1.5dB step. The volume range is

from +12dB to -34.5dB. When all bits are set to â0â, volume is maximum (+12dB) and when all

bits are set to â1â, volume is minimum (-34.5dB).

10h : Line in Volume (Read/Write, Default: 8808h)

12h : CD Volume (Read/Write, Default: 8808h)

14h : Video Volume (Read/Write, Default: 8808h)

16h : Aux Volume (Read/Write, Default: 8808h)

18h : PCM out Volume (Read/Write, Default: 8808h)

D15 D14 D13 D12 D11 D10 D9 D8 D7 D6 D5 D4 D3 D2 D1 D0

Mute -

GL4-0

GR4-0

Mute..............Setting this bit to â1â mutes both left and right channels of the each source.

GL4-0 ...........These bits determine the volume level of the left channel by 1.5dB step. The volume range is

from +12dB to -34.5dB. When all bits are set to â0â, volume is maximum (+12dB) and when all

bits are set to â1â, volume is minimum (-34.5dB).

GR4-0 ...........These bits determine the volume level of the right channel by 1.5dB step.

Setting to them is the same as the upper GL4-0 bits.

March 6, 2001

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