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ALC5611-GR Datasheet(PDF) 22 Page - Realtek Semiconductor Corp. |
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ALC5611-GR Datasheet(HTML) 22 Page - Realtek Semiconductor Corp. |
22 / 73 page ALC5611 Datasheet AC’97 Audio Codec + Touch Panel Controller 14 Track ID: JATR-1076-21 Rev. 1.1 7.5.4. Analog Audio Input Path The ALC5611 supports four Analog Audio Input paths: • Line_IN_L/R • PHONEP/N • MIC1 • MIC2 7.5.4.1 Line Input Line_In_L and Line_In_R provide 2-channel stereo single-ended input that can be mixed into the MONO mixer, Headphone mixer, Speaker mixer, or the ADC record mixer. The Line_In_L/R volume and mute are controlled by Reg0A. Reg3E[7:6] can be used to power down Line_In volume control. 7.5.4.2 Phone Input PHONEP/N provides one-channel MONO differential or single-ended input configured by Reg08[13] that can be mixed into the ADC record mixer, or any analog output mixer except for the MONO mixer. PHONEP is main input when differential mode is disabled. The PHONEP/N volume and mute are controlled by Reg08. Reg3E[5:4] can be used to power down the PHONEP/N volume control and mixer. 7.5.4.3 Microphone Input MIC1P/N and MIC2P/N provide two-channel stereo differential or single-ended input via Reg10[12], [4], that can be mixed into the ADC record mixer, or any analog output mixer. MIC1P and MIC2P are main inputs when differential mode is disabled. MIC1N is pin-shared to AUX3 input. The ALC5611 Microphone input boost provides 20/30/40dB boost, set by Reg22[11:10] (for MIC1), and by Reg22[9:8] (for MIC2). The MIC1/2 volume and mute are controlled by Reg0E. For detailed power management of MIC1/2, Reg3E[3][2] can be used to power down the MIC1/2 volume control. Reg3E[1][0] can be used to power down MIC1/2 and mixer. |
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