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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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STA381BW датащи(PDF) 63 Page - STMicroelectronics |
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STA381BW датащи(HTML) 63 Page - STMicroelectronics |
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63 / 171 page  STA381BW Register description: New Map Doc ID 018835 Rev 7 63/171 Table 6: 6.16 Configuration register D (addr 0x14) 6.16.1 DSP bypass Setting the DSPB bit bypasses the EQ function of the STA381BW. 6.16.2 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. 6.16.3 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. Table 38. Compensating pulse size CSZ[3:0] Compensating pulse size 0000 0 ns (0 ticks) compensating pulse size 0001 20 ns (1 tick) clock period compensating pulse size …… 1111 300 ns (15 ticks) clock period compensating pulse size D7 D6 D5 D4 D3 D2 D1 D0 SME ZDE Reserved BQL PSL DSPB Reserved Reserved 00 01 10 0 0 Table 39. DSP bypass Bit R/W RST Name Description 2 R/W 0 DSPB 0: Normal operation 1: Bypass of biquad and bass/treble functions Table 40. Post-scale link Bit R/W RST Name Description 3 R/W 1 PSL 0: Each channel uses individual post-scale values 1: Each channel uses channel 1 post-scale values Table 41. 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 |
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