STA335BWS Datasheet, PDF (52/68 Pages) STMicroelectronics – 2.1-channel high-efficiency digital audio system

Register description
Dynamic range compression mode
Table 29.
Limiter attack threshold
as a function of LxAT bits
(DRC-Mode)
LxAT[3:0]
DRC
(dB relative to Volume)
0000
-31
0001
-29
0010
-27
0011
-25
0100
-23
0101
-21
0110
-19
0111
-17
1000
-16
1001
-15
1010
-14
1011
-13
1100
-12
1101
-10
1110
-7
1111
-4
STA335BWS
Table 30.
Limiter release threshold
as a as a function of
LxRT bits (DRC-Mode)
LxRT[3:0]
DRC
(db relative to Volume + LxAT)
0000
0001
0010
0011
0100
0101
0110
0111
1000
1001
1010
1011
1100
1101
1110
1111
-∞
-38 dB
-36 dB
-33 dB
-31 dB
-30 dB
-28 dB
-26 dB
-24 dB
-22 dB
-20 dB
-18 dB
-15 dB
-12 dB
-9 dB
-6 dB
6.12
6.12.1
6.12.2
User-defined coefficient control registers (addr 0x16 to 0x26)
Coefficient address register
D7
D6
Reserved
D5
CFA5
0
D4
CFA4
0
D3
CFA3
0
D2
CFA2
0
D1
CFA1
0
D0
CFA0
0
Coefficient b1 data register bits 23:16
D7
C1B23
0
D6
C1B22
0
D5
C1B21
0
D4
C1B20
0
D3
C1B19
0
D2
C1B18
0
D1
C1B17
0
D0
C1B16
0
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