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ALC5610-GR Datasheet(PDF) 46 Page - Realtek Semiconductor Corp. |
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ALC5610-GR Datasheet(HTML) 46 Page - Realtek Semiconductor Corp. |
46 / 93 page ![]() ALC5610 Datasheet AC’97 Audio Codec + Touch Panel Controller + Voice PCM Interface 37 Track ID: JATR-1076-21 Rev. 1.4 8.13. Reg-22h: Microphone Control Default: 0000h Table 23. Reg-22h: Microphone Control Name Bits Read/Write Reset State Description Reserved 15:12 R 0’h Reserved mic1_boost_ctrl 11:10 RW 0’h MIC1 Boost Control 00: Bypass 01: +20dB 10: +30dB 11: +40dB mic2_boost_ctrl 9:8 RW 0’h MIC2 Boost Control 00: Bypass 01: +20dB 10: +30dB 11: +40dB Reserved 7:6 R 0’h Reserved. Read as 0 mic1_bias_voltage_ctrl 5 RW 0’h MICBIAS1 Output Voltage Control 0: 0.9 * AVDD 1: 0.75 * AVDD mic2_bias_voltage_ctrl 4 RW 0’h MICBIAS2 Output Voltage Control 0: 0.9 * AVDD 1: 0.75 * AVDD Reserved 2:3 R 0’h Reserved. Read as 0 mic_bias_threshold 1:0 RW 0’h MICBIAS1/2 Short Current Detector Threshold 00: 600µA 01: 1200µA 1x: 1800µA 8.14. Reg-26h: Power Down Control/Status Default: EF00h Table 24. Reg-26h: Power Down Control/Status Name Bits Read/Write Reset State Description ac_pr7 15 RW 1’h PR7 0: Normal 1: Power down Speaker Amplifier ac_pr6 14 RW 1’h PR6 0: Normal 1: Power down Headphone Out and MONO Out ac_pr5 13 RW 1’h PR5 0: Normal 1: Disable internal clock of AC’97 (Without PLL) ac_pr4 12 RW 0’h PR4 0: Normal 1: Power down AC-Link Note: Though this bit is read as 1, write 1 to power down the AC-Link. |
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