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STA382BWSTR 数据表(PDF) 85 Page - STMicroelectronics |
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STA382BWSTR 数据表(HTML) 85 Page - STMicroelectronics |
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85 / 172 page ![]() STA382BWS Register description: New Map Doc ID 022784 Rev 1 85/172 default, all post-scale factors are set to 0x7FFFFF. When line output is being used, channel-3 post-scale will affect both channels 3 and 4. Table 74. RAM block for biquads, mixing, scaling and bass management Index (decimal) Index (hex) Description Coefficient Default 0 0x00 Channel 1 - Biquad 1 C1H10(b1/2) 0x000000 1 0x01 C1H11(b2) 0x000000 2 0x02 C1H12(a1/2) 0x000000 3 0x03 C1H13(a2) 0x000000 4 0x04 C1H14(b0/2) 0x100000 5 0x05 Channel 1 - Biquad 2 C1H20 0x000000 …… … … … 19 0x13 Channel 1 - Biquad 4 C1H44 0x100000 20 0x14 Channel 2 - Biquad 1 C2H10 0x000000 21 0x15 C2H11 0x000000 …… … … … 39 0x27 Channel 2 - Biquad 4 C2H44 0x100000 40 0x28 Channel 1/2 - Biquad 5 for XO = 000 High-pass 2nd order filter for XO ≠000 C12H0(b1/2) 0x000000 41 0x29 C12H1(b2) 0x000000 42 0x2A C12H2(a1/2) 0x000000 43 0x2B C12H3(a2) 0x000000 44 0x2C C12H4(b0/2) 0x400000 45 0x2D Channel 3 - Biquad for XO = 000 Low-pass 2nd order filter for XO ≠000 C3H0(b1/2) 0x000000 46 0x2E C3H1(b2) 0x000000 47 0x2F C3H2(a1/2) 0x000000 48 0x30 C3H3(a2) 0x000000 49 0x31 C3H4(b0/2) 0x400000 50 0x32 Channel 1 - Pre-Scale C1PreS 0x7FFFFF 51 0x33 Channel 2 - Pre-Scale C2PreS 0x7FFFFF 52 0x34 Channel 1 - Post-Scale C1PstS 0x7FFFFF 53 0x35 Channel 2 - Post-Scale C2PstS 0x7FFFFF 54 0x36 Channel 3 - Post-Scale C3PstS 0x7FFFFF 55 0x37 Reserved reserved 0x5A9DF7 56 0x38 Channel 1 - Mix 1 C1MX1 0x7FFFFF 57 0x39 Channel 1 - Mix 2 C1MX2 0x000000 58 0x3A Channel 2 - Mix 1 C2MX1 0x000000 59 0x3B Channel 2 - Mix 2 C2MX2 0x7FFFFF 60 0x3C Channel 3 - Mix 1 C3MX1 0x400000 61 0x3D Channel 3 - Mix 2 C3MX2 0x400000 62 0x3E UNUSED 63 0x3F UNUSED Obsolete Product(s) - Obsolete Product(s) |
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