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STA382BWSTR 数据表(PDF) 114 Page - STMicroelectronics |
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STA382BWSTR 数据表(HTML) 114 Page - STMicroelectronics |
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114 / 172 page  Register description: Sound Terminal compatibility STA382BWS 114/172 Doc ID 022784 Rev 1 7.4.2 Post-scale link Post-scale functionality can be used for power supply error correction. For multi-channel applications running off the same power supply, the post-scale values can be linked to the value of channel 1 for ease of use and in order to update the values faster. 7.4.3 Biquad coefficient link For ease of use, all channels can use the biquad coefficients loaded into the channel-1 coefficient RAM space by setting the BQL bit to 1. Therefore, any EQ updates only have to be performed once. 7.4.4 Zero-detect mute enable Refer to 7.24: Enhanced zero-detect mute and input level measurement (address 0x50- 0x54, 0x2E, 0x2F and 0x5E). 7.4.5 Submix mode enable 7.5 Configuration register E (addr 0x04) Table 116. Post-scale link Bit R/W RST Name Description 3 R/W 1 PSL 0: Each channel uses individual post-scale value 1: Each channel uses channel 1 post-scale value Table 117. Biquad coefficient link Bit R/W RST Name Description 4R/W 1 BQL 0: Each channel uses coefficient values 1: Each channel uses channel 1 coefficient values Table 118. Zero-detect mute enable Bit R/W RST Name Description 6R/W 0 ZDE Setting of 1 enables the automatic zero-detect mute Setting of 0 disables the automatic zero-detect mute Table 119. Submix mode enable Bit R/W RST Name Description 7R/W 0 SME 0: Submix into left/right disabled 1: Submix into left/right enabled D7 D6 D5 D4 D3 D2 D1 D0 SVE ZCE Reserved PWMS AME NSBW Reserved Reserved 10 00 00 1 0 Obsolete Product(s) - Obsolete Product(s) |
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