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STA323W13TR 数据表(PDF) 4 Page - STMicroelectronics

部件名 STA323W13TR
功能描述  2.1 high efficiency digital audio system
Download  71 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

STA323W13TR 数据表(HTML) 4 Page - STMicroelectronics

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Contents
STA323W
4/71
7.9.1
. . . . . . . . . . . . Register – automodes EQ, volume, GC (address 0x0B) 48
7.9.2
Register - preset EQ settings (address 0x0D) . . . . . . . . . . . . . . . . . . . . 51
7.10
Channel configuration registers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52
7.10.1
Channel 1 configuration (address 0x0E) . . . . . . . . . . . . . . . . . . . . . . . . 52
7.10.2
Channel 2 configuration (address 0x0F) . . . . . . . . . . . . . . . . . . . . . . . . 52
7.10.3
Channel 3 configuration (address 0x10) . . . . . . . . . . . . . . . . . . . . . . . . 52
7.11
Tone control (address 0x11) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53
7.12
Dynamics control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54
7.12.1
Limiter 1 attack/release threshold (address 0x12) . . . . . . . . . . . . . . . . . 54
7.12.2
Limiter 1 attack/release threshold (address 0x13) . . . . . . . . . . . . . . . . . 54
7.12.3
Limiter 2 attack/release rate (address 0x14) . . . . . . . . . . . . . . . . . . . . . 54
7.12.4
Limiter 2 attack/release threshold (address 0x15) . . . . . . . . . . . . . . . . . 54
7.12.5
Dynamics control description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54
7.12.6
Anti-clipping mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56
7.12.7
Dynamic range compression mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57
8
User-programmable settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59
8.1
EQ - biquad equation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59
8.2
Pre-scale . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59
8.3
Post-scale . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59
8.4
Mix/bass management . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60
8.5
Calculating 24-bit signed fractional numbers from a dB value . . . . . . . . . 61
8.6
User defined coefficient RAM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61
8.6.1
Coefficient address register 1 (address 0x16) . . . . . . . . . . . . . . . . . . . . 61
8.6.2
Coefficient b1data register bits 23...16 (address 0x17) . . . . . . . . . . . . . 61
8.6.3
Coefficient b1data register bits 15...8 (address 0x18) . . . . . . . . . . . . . . 61
8.6.4
Coefficient b1data register bits 7...0 (address 0x19) . . . . . . . . . . . . . . . 61
8.6.5
Coefficient b2 data register bits 23...16 (address 0x1A) . . . . . . . . . . . . 62
8.6.6
Coefficient b2 data register bits 15...8 (address 0x1B) . . . . . . . . . . . . . 62
8.6.7
Coefficient b2 data register bits 7...0 (address 0x1C) . . . . . . . . . . . . . . 62
8.6.8
Coefficient a1 data register bits 23...16 (address 0x1D) . . . . . . . . . . . . 62
8.6.9
Coefficient a1 data register bits 15...8 (address 0x1E) . . . . . . . . . . . . . 62
8.6.10
Coefficient a1 data register bits 7...0 (address 0x1F) . . . . . . . . . . . . . . 62
8.6.11
Coefficient a2 data register bits 23...16 (address 0x20) . . . . . . . . . . . . 63
8.6.12
Coefficient a2 data register bits 15...8 (address 0x21) . . . . . . . . . . . . . 63
8.6.13
Coefficient a2 data register bits 7...0 (address 0x22) . . . . . . . . . . . . . . 63


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