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參數(shù)資料
| 型號： | LM4935 |
| 廠商： | National Semiconductor Corporation |
| 元件分類： | ADC |
| 英文描述： | Audio Sub-System with Dual-Mode Stereo Headphone and Mono High Efficiency Loudspeaker Amplifiers and Multi-Purpose ADC |
| 中文描述： | 音頻子系統(tǒng)的雙模單聲道立體聲耳機和揚聲器放大器的高效率和多功能模數(shù)轉換器 |
| 文件頁數(shù)： | 53/112頁 |
| 文件大?。?/td> | 5017K |
| 代理商： | LM4935 |
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12.0 Status & Control Registers
(Continued)
12.30 STATUS REGISTER
This register is used to report the status of the device.
TABLE 30. STATUS (0x18h)
Bits
0
Field
Description
HEADSET
This field is high when headset presence is detected (only valid if the detection system is
enabled). (Note 29)
This field is high when a headset with stereo speakers is detected (only valid if the detection
system is enabled). (Note 29)
This field is high when a headset with a microphone is detected (only valid if the detection system
is enabled). (Note 29)
This field is high when the button on the headset is pressed (only valid if the detection system is
enabled). IRQ is cleared when the button has been released
and
this register has been written
to.
If this field is high then an event has happened on SAR trigger 1 (write to this register to clear
IRQ).
If this field is high then an event has happened on SAR trigger 2 (write to this register to clear
IRQ).
If this field is high then a temperature event has occurred (write to this register to clear IRQ). This
field will stay high even when the IRQ is cleared so long as the event occurs. This bit is only valid
whenever the loudspeaker amplifier is turned off.
When GPIO_SEL is set to a readable configuration a digital input on GPIO1 can be read back
here.
1
STEREO_
HEADSET
MIC
2
3
BTN
4
SAR TRIG 1
5
SAR TRIG 2
6
TEMP
7
GPIN
Note 29:
The detection IRQ is cleared when this register has been written to.
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| LM49350 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:High Performance Audio Codec Sub-System with a Ground-Referenced Stereo Headphone Amplifier |
| LM49350RL | 制造商:Texas Instruments 功能描述:Audio Codec 1ADC / 1DAC 36-Pin uSMD T/R 制造商:Texas Instruments 功能描述:AUDIO CODEC SUBSYSTEM 36MICRO SMDXT |
| LM49350RL/NOPB | 功能描述:接口—CODEC Hi Perf Audio Codec Subsystem RoHS:否 制造商:Texas Instruments 類型: 分辨率: 轉換速率:48 kSPs 接口類型:I2C ADC 數(shù)量:2 DAC 數(shù)量:4 工作電源電壓:1.8 V, 2.1 V, 2.3 V to 5.5 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:DSBGA-81 封裝:Reel |
| LM49350RL/NOPB | 制造商:Texas Instruments 功能描述:Audio Codec IC |
| LM49350RLEVAL | 功能描述:音頻 IC 開發(fā)工具 LM49350RL EVAL BOARD RoHS:否 制造商:Texas Instruments 產品:Evaluation Kits 類型:Audio Amplifiers 工具用于評估:TAS5614L 工作電源電壓:12 V to 38 V |
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