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參數(shù)資料
| 型號： | AD1981BLJSTZ-REEL2 |
| 廠商： | Analog Devices, Inc. |
| 元件分類： | Codec |
| 英文描述： | AC ’97 SoundMAX㈢ Codec |
| 中文描述： | ㈢交流\u0026#39;97 SoundMAX編解碼器 |
| 文件頁數(shù)： | 24/28頁 |
| 文件大?。?/td> | 215K |
| 代理商： | AD1981BLJSTZ-REEL2 |
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REV. 0
AD1981BL
–24–
Jack Sense/Audio Interrupt/Status Register (Index 72h)
Reg
No. Name
D15 D14
D13 D12
D11
D10
D9
D8
D7
D6
D5
D4
D3
D2
D1
D0
Default
72h Jack Sense
X
X
X
JS
MT2
JS
MT1
JS
MT0
JS1
EQB
JS0
EQB
JS1
TMR
JS0
TMR
JS1
MD
JS0
MD
JS1
ST
JS0
ST
JS1
INT
JS0
INT
0000h
All register bits are read/write except for JS0ST and JS1ST, which are read-only. All registers not shown and bits containing an X are assumed to be reserved.
JS0INT
Indicates Pin JS0 Has Generated an Interrupt. Remains set until the software services JS0 interrupt, i.e., JS0 ISR
should clear this bit by writing a 0 to it. Note that the interrupt to the system is actually an OR combination of this bit
and JS1INT. Also note that the actual interrupt implementation is selected by the INTS bit (Register 76h). It is also
possible to generate a software system interrupt by writing a 1 to this bit.
JS1INT
Indicates Pin JS1 Has Generated an Interrupt. Remains set until the software services JS1 interrupt, i.e., JS1 ISR
should clear this bit by writing a 0 to it. See JS0INT description for additional details.
JS0ST
JS0 State. This bit always reports the logic state of JS0 pin.
JS1ST
JS1 State. This bit always reports the logic state of JS1 pin.
JS0MD
JS0 Mode. This bit selects the operation mode for the JS0 pin.
0 = Jack Sense mode (default).
1 = Interrupt mode.
JS1MD
JS1 Mode. This bit selects the operation mode for the JS1 pin.
0 = Jack Sense mode (default).
1 = Interrupt mode.
JS0TMR
JS0 Timer Enable. If this bit is set to a 1, JS0 must be high for greater than 278 ms to be recognized.
JS1TMR
JS1 Timer Enable. If this bit is set to a 1, JS1 must be high for greater than 278 ms to be recognized.
JS0EQB
JS0 EQ Bypass Enable. This bit enables JS0 to control the EQ bypass. When this bit is set to 1, JS0 = 1 will cause the
EQ to be bypassed.
JS1EQB
JS1 EQ Bypass Enable. This bit enables JS1 to control the EQ bypass. When this bit is set to 1, JS1 = 1 will cause the
EQ to be bypassed.
JSMT[2,0]
JS Mute Enable Selector. These three bits select and enable the Jack Sense muting action (see Table VIII).
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| AD1981HD | HD Audio SoundMAX Codec |
| AD1981HDJSTZ | HD Audio SoundMAX Codec |
| AD1981HDJSTZ-REEL | HD Audio SoundMAX Codec |
| AD1983 | HD Audio SoundMAX Codec |
| AD1983JCPZ | HD Audio SoundMAX Codec |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AD1981BWBSTZ | 制造商:Analog Devices 功能描述: |
| AD1981BWBSTZ-REEL | 制造商:Analog Devices 功能描述:ANAAD1981BWBSTZ-REEL AC'97 SOUNDMAX CODE |
| AD1981HD | 制造商:AD 制造商全稱:Analog Devices 功能描述:HD Audio SoundMAX Codec |
| AD1981HDJSTZ | 制造商:Analog Devices 功能描述:Audio Codec 2ADC / 2DAC 20-Bit/24-Bit 48-Pin LQFP |
| AD1981HDJSTZ-REEL | 制造商:Analog Devices 功能描述:Audio Codec 2ADC / 2DAC 20-Bit/24-Bit 48-Pin LQFP T/R |
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