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ALC5611-GR Datasheet(PDF) 24 Page - Realtek Semiconductor Corp. |
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ALC5611-GR Datasheet(HTML) 24 Page - Realtek Semiconductor Corp. |
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24 / 73 page  ALC5611 Datasheet AC’97 Audio Codec + Touch Panel Controller 16 Track ID: JATR-1076-21 Rev. 1.1 The ALC5611 speaker supports Class AB and Class D type amplifiers (set in Reg1C[13]:spk_out_sel). As the voltage of SPKVDD is usually higher than AVDD, the driver should set the Class AB Vmid ratio in Reg40[5:3], and the Class D Vmid ratio in Reg40[7:6] in order to extend the output level. In class AB mode, for single stereo speaker solutions, SPK_OUT_R can select a different signal source (SPKR Volume output or SPKL Volume output by Reg1C[14]) but SPK_OUT_RN only outputs SPKR Volume Negative Output. The SPK_OUT_L/R volume and mute are controlled by Reg02. Reg3E[13:12]and Reg3E[9:8] can be used to power down SPK output. Reg3C[14]: pow_clsab is used to power down Class AB output. SPK_OUT_L/R supports the zero-cross detect function (enabled at Reg02[6][14]: sp_l_dezero/ sp_r_dezero). 7.5.5.2 Headphone Output HP_OUT_L/R provides two-channel single-ended output. The HP_OUT_L/R source is set in Reg1C[9][8]. Sources are shown below: • Vmid • Headphone mixer The HP_OUT_L/R volume and mute are controlled by Reg04. Reg3E[11]: pow_hp_l_vol and Reg3E[10]: pow_hp_r_vol can be used to power down the volume of HP output. HP_OUT supports the zero-cross detect function (enabled at Reg04[14][6]:hp_l_dezero/ hp_r_dezero). 7.5.5.3 MONO Output MONO_OUT provide one-channel differential or single-ended output configured by Reg08[15]. The MONO_OUT source is set in Reg1C[7:6]. Sources are shown below: • Vmid • Headphone mixer (L+R) • Speaker mixer • MONO mixer The MONO_OUT volume and mute are controlled by Reg08. Reg3E[14]: pow_MONO_out_vol can be used to power down the volume of MONO_OUT. MONO_OUT supports the zero-cross detect function (enabled at Reg08[6]:MONO_dezero). |
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