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STA310 数据表(PDF) 73 Page - STMicroelectronics |
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STA310 数据表(HTML) 73 Page - STMicroelectronics |
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73 / 90 page ![]() 73/90 STA310 KAR_VCANCEL Voice cancellation ON/OFF Address: 0x85 Type: R/W Reset value: 0 Description: KAR_VVALUE Degree of voice cancellation Address: 0x86 Type: R/W Reset value: 0x0 Description: When the voice cancellation is enabled by the KAR_VCANCEL register, KAR_VVALUE specifies the extent of the voice cancellation according to the following table: KAR_MMUTE Music channel mute Address: 0x87 Type: R/W Reset value:0 Description: This register mutes the music channel. KAR_VCh0VOL Voice channel 0 (L) volume Address: 0x88 Type: R/W Reset value: 0xFF Description: This register has the same function as KAR_MCh0VOL for the left voice channel instead of the left music channel. KAR_VCh1VOL Voice channel 1 (R) volume Address: 0x89 Type: R/W Reset value: 0xFF Description: This register has the same function as KAR_MCh0VOL for the right voice channel instead of the left music channel. Key control (tone) 1/4 1/2 3/4 1 1.16 1.34 1.58 1.93 2.49 3.5 KEYVAL UE (decimal) 10 11 12 13 14 15 16 17 18 19 7 6 543 2 1 0 Reserved VCANCEL Bitfield Description VCANCELL 0: voice cancellation off, 1: voice cancellation on 76 54 321 0 Reserved LEVEL[2:0] Bitfield Description LEVEL[2:0] 0: cut-band filter with 40dB attenuation at 700Hz 1: cut-band filter with 35dB attenuation at 700Hz 2: cut-band filter with 32dB attenuation at 700Hz 3: cut-band filter with 27dB attenuation at 700Hz 4: cut-band filter with 23dB attenuation at 700Hz 76 54 321 0 Reserved MUTE Bitfield Description MUTE 0: not muted, 1: muted 76 54 321 0 Value 76 54 321 0 Value |
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