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參數(shù)資料
| 型號： | AK4544A |
| 廠商： | Asahi Kasei Microsystems Co.,Ltd |
| 元件分類： | Codec |
| 英文描述： | AC97 MULTIMEDIA AUDIO CODEC WITH SRC |
| 中文描述： | AC97多媒體音頻編解碼器與SRC |
| 文件頁數(shù)： | 22/35頁 |
| 文件大?。?/td> | 381K |
| 代理商： | AK4544A |
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[ASAHI KASEI] [AK4544A]
<MS0026-E-00> - 22 -
n
3D Control Register (Index 22h)
The following table shows the relationship between the bit and 3D Depth.
DP3
DP2
DP1
DP0
Depth
0
0
0
0
0%
0
0
0
1
50%
0
0
1
0
50%
0
0
1
1
50%
0
1
0
0
50%
0
1
0
1
50%
0
1
1
0
50%
0
1
1
1
50%
1
0
0
0
70%
1
0
0
1
70%
1
0
1
0
70%
1
0
1
1
70%
1
1
0
0
70%
1
1
0
1
70%
1
1
1
0
70%
1
1
1
1
100%
Recommended Application
Off
Audio
Audio
Audio
Audio
Audio
Audio
Audio
Audio
Audio
Audio
Audio
Audio
Audio
Audio
Game
n
Powerdown Control/Status Register (Index 26h)
BitsD0 to D3 are read only. Any write to these bits will not affect the AK 4544A. These bits are used as status bits to
subsections of the AC’97 codec. A 1 indicates the subsection is “ready” or that is capable of performing in a nominal
manner.
Bit
D3
Function
REF
Vref up to nominal state
0=NOT ready, 1=ready,
Analog mixers, etc ready
0=NOT ready, 1=ready
DAC section ready to accept data
0=NOT ready, 1=ready
ADC section ready to transmit data
0=NOT ready, 1=ready
ANL
D2
DAC
D1
ADC
D0
The power down modes are as follows.
Bit
D8
D9
D10
D11
D12
D13
D14
D15
Function
PR0
PR1
PR2
PR3
PR4
PR5
PR6
PR7
PCM in ADC’s & Input Mux Powerdown
PCM out DACs Powerdown
Analog Mixer Powerdown (Vref still on)
Analog Mixer Powerdown (Vref off)
Digital Interface (AC-link) Powerdown
Internal Clk disable
True Line Level Out Powerdown
EAPD(External Amplifier Powerdown)
When PR3 is set to “1”, ADC, DAC, Mixer, True Line Lever Out, and VREF are powered down even if any PRx bit are
“0”. When PR3 bit is reset to “0”, the AK4544A resumes the previous state by referencing previous PRx bit. In this
case, the AK4544A outputs corresponding slot-x valid bits in the slot 0 as “0” until the AK4544A is power-up.
EAPD(External Amplifier Power Down) bit controls an external audio amplifier. EAPD=”0” places a “0”(L) on the
output pin, enabling an external audio amplifier, EAPD=”1”(H) shuts it down. Power-up default is
EAPD=”0”(external audio amplifier enabled).
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| AK4544AVQ | CABLE ASSEMBLY; BNC MALE TO N MALE; 50 OHM, RG223/U COAX, DOUBLE SHIELDED; 36" CABLE LENGTH |
| AK4544 | AC97 MULTIMEDIA AUDIO CODEC WITH SRC |
| AK4545 | AC97 AUDIO CODEC WITH SRC AND DIT |
| AK4545VQ | AC97 AUDIO CODEC WITH SRC AND DIT |
| AK4551 | LOW POWER & SMALL PACKAGE 20BIT CODEC |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AK4544AVQ | 制造商:AKM 制造商全稱:AKM 功能描述:AC97 MULTIMEDIA AUDIO CODEC WITH SRC |
| AK4545 | 制造商:AKM 制造商全稱:AKM 功能描述:AC97 AUDIO CODEC WITH SRC AND DIT |
| AK4545VQ | 制造商:AKM 制造商全稱:AKM 功能描述:AC97 AUDIO CODEC WITH SRC AND DIT |
| AK4550 | 制造商:AKM 制造商全稱:AKM 功能描述:EVALUATION BOARD REV.C FOR AK4550 |
| AK4550VT | 制造商:AKM 制造商全稱:AKM 功能描述:LOW POWER & SMALL PACKAGE 16BIT CODEC |
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