sta381bw STMicroelectronics, sta381bw Datasheet - Page 5

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sta381bw

Manufacturer Part Number
sta381bw
Description
Sound Terminal 2.1-channel High-efficiency Digital Audio System
Manufacturer
STMicroelectronics
Datasheet

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STA381BW
6.22
6.23
6.24
6.25
6.26
Tone control register (addr 0x22) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72
User-defined coefficient control registers (addr 0x27 - 0x37) . . . . . . . . . . 78
Fault-detect recovery constant registers (addr 0x3C - 0x3D) . . . . . . . . . . 85
Extended configuration register (addr 0x47) . . . . . . . . . . . . . . . . . . . . . . 85
6.22.1
Dynamic control registers (addr 0x23 - 0x26 / addr 0x43 - 0x46) . . . . . . 73
6.23.1
6.23.2
6.23.3
6.23.4
6.23.5
6.23.6
6.23.7
6.23.8
6.24.1
6.24.2
6.24.3
6.24.4
6.24.5
6.24.6
6.24.7
6.24.8
6.24.9
6.24.10 Coefficient a1 data register bits 7:0 . . . . . . . . . . . . . . . . . . . . . . . . . . . . 79
6.24.11 Coefficient a2 data register bits 23:16 . . . . . . . . . . . . . . . . . . . . . . . . . . 79
6.24.12 Coefficient a2 data register bits 15:8 . . . . . . . . . . . . . . . . . . . . . . . . . . . 80
6.24.13 Coefficient a2 data register bits 7:0 . . . . . . . . . . . . . . . . . . . . . . . . . . . . 80
6.24.14 Coefficient b0 data register bits 23:16 . . . . . . . . . . . . . . . . . . . . . . . . . . 80
6.24.15 Coefficient b0 data register bits 15:8 . . . . . . . . . . . . . . . . . . . . . . . . . . . 80
6.24.16 Coefficient b0 data register bits 7:0 . . . . . . . . . . . . . . . . . . . . . . . . . . . . 80
6.24.17 Coefficient write/read control register . . . . . . . . . . . . . . . . . . . . . . . . . . 80
6.24.18 User-defined EQ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 83
6.24.19 Pre-scale . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 83
6.24.20 Post-scale . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 83
6.26.1
6.26.2
Tone control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72
Limiter 1 attack/release rate (L1AR addr 0x23) . . . . . . . . . . . . . . . . . . . 73
Limiter 1 attack/release threshold (L1ATRT addr 0x24) . . . . . . . . . . . . . 73
Limiter 2 attack/release rate ( L2AR addr 0x25) . . . . . . . . . . . . . . . . . . 73
Limiter 2 attack/release threshold ( L2 ATRT addr 0x26) . . . . . . . . . . . . 73
Limiter 1 extended attack threshold (addr 0x43) . . . . . . . . . . . . . . . . . . 77
Limiter 1 extended release threshold (addr 0x44) . . . . . . . . . . . . . . . . . 77
Limiter 2 extended attack threshold (addr 0x45) . . . . . . . . . . . . . . . . . . 78
Limiter 2 extended release threshold (addr 0x46) . . . . . . . . . . . . . . . . . 78
Coefficient address register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 78
Coefficient b1 data register bits 23:16 . . . . . . . . . . . . . . . . . . . . . . . . . . 78
Coefficient b1 data register bits 15:8 . . . . . . . . . . . . . . . . . . . . . . . . . . . 78
Coefficient b1 data register bits 7:0 . . . . . . . . . . . . . . . . . . . . . . . . . . . . 78
Coefficient b2 data register bits 23:16 . . . . . . . . . . . . . . . . . . . . . . . . . . 79
Coefficient b2 data register bits 15:8 . . . . . . . . . . . . . . . . . . . . . . . . . . . 79
Coefficient b2 data register bits 7:0 . . . . . . . . . . . . . . . . . . . . . . . . . . . . 79
Coefficient a1 data register bits 23:16 . . . . . . . . . . . . . . . . . . . . . . . . . . 79
Coefficient a1 data register bits 15:8 . . . . . . . . . . . . . . . . . . . . . . . . . . . 79
Extended post-scale range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 85
Extended attack rate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 85
Doc ID 018835 Rev 2
Contents
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