sta339bw STMicroelectronics, sta339bw Datasheet - Page 5

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sta339bw

Manufacturer Part Number
sta339bw
Description
2.1-channel High-efficiency Digital Audio System
Manufacturer
STMicroelectronics
Datasheet

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STA339BW
6.12
6.13
6.14
6.15
6.16
6.17
6.18
6.11.6
6.11.7
6.11.8
User-defined coefficient control registers (addr 0x16 - 0x26) . . . . . . . . . . 56
6.12.1
6.12.2
6.12.3
6.12.4
6.12.5
6.12.6
6.12.7
6.12.8
6.12.9
6.12.10 Coefficient a1 data register bits 7:0 . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57
6.12.11 Coefficient a2 data register bits 23:16 . . . . . . . . . . . . . . . . . . . . . . . . . . 57
6.12.12 Coefficient a2 data register bits 15:8 . . . . . . . . . . . . . . . . . . . . . . . . . . . 58
6.12.13 Coefficient a2 data register bits 7:0 . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58
6.12.14 Coefficient b0 data register bits 23:16 . . . . . . . . . . . . . . . . . . . . . . . . . . 58
6.12.15 Coefficient b0 data register bits 15:8 . . . . . . . . . . . . . . . . . . . . . . . . . . . 58
6.12.16 Coefficient b0 data register bits 7:0 . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58
6.12.17 Coefficient write/read control register . . . . . . . . . . . . . . . . . . . . . . . . . . 58
6.12.18 User-defined EQ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61
6.12.19 Pre-scale . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61
6.12.20 Post-scale . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61
6.12.21 Over-current post-scale . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62
Variable max power correction registers (addr 0x27 - 0x28) . . . . . . . . . . 63
Variable distortion compensation registers (addr 0x29 - 0x2A) . . . . . . . . 63
Fault detect recovery constant registers (addr 0x2B - 0x2C) . . . . . . . . . . 64
Device status register (addr 0x2D) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 64
EQ coefficients and DRC configuration register (addr 0x31) . . . . . . . . . . 65
Extended configuration register (addr 0x36) . . . . . . . . . . . . . . . . . . . . . . 65
6.18.1
6.18.2
6.18.3
6.18.4
6.18.5
Limiter 1 Extended release threshold (addr 0x33) . . . . . . . . . . . . . . . . . 55
Limiter 2 Extended attack threshold (addr 0x34 . . . . . . . . . . . . . . . . . . ) 56
Limiter 2 Extended release threshold (addr 0x35) . . . . . . . . . . . . . . . . . 56
Coefficient address register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56
Coefficient b1 data register bits 23:16 . . . . . . . . . . . . . . . . . . . . . . . . . . 56
Coefficient b1 data register bits 15:8 . . . . . . . . . . . . . . . . . . . . . . . . . . . 56
Coefficient b1 data register bits 7:0 . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56
Coefficient b2 data register bits 23:16 . . . . . . . . . . . . . . . . . . . . . . . . . . 57
Coefficient b2 data register bits 15:8 . . . . . . . . . . . . . . . . . . . . . . . . . . . 57
Coefficient b2 data register bits 7:0 . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57
Coefficient a1 data register bits 23:16 . . . . . . . . . . . . . . . . . . . . . . . . . . 57
Coefficient a1 data register bits 15:8 . . . . . . . . . . . . . . . . . . . . . . . . . . . 57
Dual-band DRC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66
EQ DRC mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67
Extended post scale range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68
Extended attack rate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68
Extended BIQUAD selector . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69
Doc ID 15251 Rev 4
Contents
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