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參數(shù)資料
| 型號： | LM4935WL |
| 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(jī)和揚(yáng)聲器放大器的高效率和多功能模數(shù)轉(zhuǎn)換器 |
| 文件頁數(shù)： | 53/112頁 |
| 文件大?。?/td> | 5017K |
| 代理商： | LM4935WL |
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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.
L
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相關(guān)PDF資料 |
PDF描述 |
|---|---|
| LM4935WLX | Audio Sub-System with Dual-Mode Stereo Headphone and Mono High Efficiency Loudspeaker Amplifiers and Multi-Purpose ADC |
| LM4936 | Stereo 2W Audio Power Amplifiers with Volume Control and Selectable Control Interface (SPI or I2C) |
| LM4951 | Wide Voltage Range 1.8 Watt Audio Amplifier |
| LM4953 | Ground-Referenced, Ultra Low Noise, Ceramic Speaker Driver |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LM4935WLX | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Audio Sub-System with Dual-Mode Stereo Headphone and Mono High Efficiency Loudspeaker Amplifiers and Multi-Purpose ADC |
| LM4936 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Stereo 2W Audio Power Amplifiers with Volume Control and Selectable Control Interface (SPI or I2C) |
| LM49360 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:Mono Class D Audio Codec PMU with Ground Referenced Headphone Amplifiers, Earpiece Driver, Audio DSP, 2 Step-Down DC-DC Converters, and 7 LDO Regulators |
| LM49360RL | 制造商:TI 制造商全稱:Texas Instruments 功能描述:Mono Class D Audio Codec PMU with Ground Referenced Headphone Amplifiers, Earpiece Driver, Audio DSP, 2 Step-Down DC-DC Converters, and 7 LDO Regulators |
| LM49360RLX | 制造商:TI 制造商全稱:Texas Instruments 功能描述:Mono Class D Audio Codec PMU with Ground Referenced Headphone Amplifiers, Earpiece Driver, Audio DSP, 2 Step-Down DC-DC Converters, and 7 LDO Regulators |
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