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参数资料
| 型号： | YMF743 |
| 厂商： | Yamaha Corporation |
| 元件分类： | Codec |
| 英文描述： | AC97 Revsion2.1 Audio CODEC with Digital Audio I/F(AC97 2.1版音频编解码器（带数字音频接口）) |
| 中文描述： | AC97 Revsion2.1音频编解码器和数字音频I / F（AC97 2.1版音频编解码器（带数字音频接口）） |
| 文件页数： | 23/24页 |
| 文件大小： | 160K |
| 代理商： | YMF743 |
YMF743
February 17, 2000
8
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 “1” 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 “0”, volume is maximum (0dB) and when all bits are set
to “1”, 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 “1” 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 “0”, volume is maximum (+12dB) and when all bits
are set to “1”, 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 “1” mutes the Microphone.
20dB .............Setting this bit to “1” 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 “0”, volume is maximum (+12dB) and when all
bits are set to “1”, 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 “1” 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 “0”, volume is maximum (+12dB) and when all
bits are set to “1”, 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.
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|---|---|
| YMF744B | DS-1S |
| YMF752 | AC97 Rev2.1 Audio CODEC with SRC |
| YMF752-S | AC97 Rev2.1 Audio CODEC with SRC |
| YMF753-S | SPECIALTY CONSUMER CIRCUIT, PQFP48 |
| YMF753 | AC97 Revision2.2 Audio CODEC with Digital Audio I/F |
相关代理商/技术参数 |
参数描述 |
|---|---|
| YMF743-S | 制造商:未知厂家 制造商全称:未知厂家 功能描述:Consumer IC |
| YMF744B | 制造商:未知厂家 制造商全称:未知厂家 功能描述:DS-1S |
| YMF744BR | 制造商:未知厂家 制造商全称:未知厂家 功能描述:Industrial Control IC |
| YMF744BV | 制造商:未知厂家 制造商全称:未知厂家 功能描述:Industrial Control IC |
| YMF752 | 制造商:YAMAHA 制造商全称:YAMAHA CORPORATION 功能描述:AC97 Rev2.1 Audio CODEC with SRC |
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