sta339bw STMicroelectronics, sta339bw Datasheet - Page 56

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

Register description
6.11.7
6.11.8
Note:
6.12
6.12.1
6.12.2
6.12.3
6.12.4
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Limiter 2 Extended attack threshold (addr 0x34)
The extended attack threshold value is determined as follows:
Limiter 2 Extended release threshold (addr 0x35)
The extended release threshold value is determined as follows:
Attack/release threshold step is 0.125 dB in the range -12 dB and 0 dB.
User-defined coefficient control registers (addr 0x16 - 0x26)
Coefficient address register
Coefficient b1 data register bits 23:16
Coefficient b1 data register bits 15:8
Coefficient b1 data register bits 7:0
ERTHEN2
EATHEN2
C1B23
C1B15
C1B7
TBD
TBD
D7
D7
D7
D7
D7
D7
attack threshold = -12 + EATH2 / 4
release threshold = -12 + ERTH2 / 4
0
0
0
Reserved
0
ERTH2[6]
EATH2[6]
C1B22
C1B14
C1B6
TBD
TBD
D6
D6
D6
D6
D6
D6
0
0
0
ERTH2[5]
EATH2[5]
C1B21
C1B13
CFA5
C1B5
TBD
TBD
D5
D5
D5
D5
D5
D5
0
0
0
0
Doc ID 15251 Rev 4
ERTH2[4]
EATH2[4]
C1B20
C1B12
CFA4
C1B4
TBD
TBD
D4
D4
D4
D4
D4
D4
0
0
0
0
ERTH2[3]
EATH2[3]
C1B19
C1B11
CFA3
C1B3
TBD
TBD
D3
D3
D3
D3
D3
D3
0
0
0
0
ERTH2[2]
EATH2[2]
C1B18
C1B10
CFA2
C1B2
TBD
TBD
D2
D2
D2
D2
D2
D2
0
0
0
0
ERTH2[1]
EATH2[1]
C1B17
CFA1
C1B9
C1B1
TBD
TBD
D1
D1
D1
D1
D1
D1
0
0
0
0
STA339BW
ERTH2[0]
EATH2[0]
C1B16
CFA0
C1B8
C1B0
TBD
TBD
D0
D0
D0
D0
D0
D0
0
0
0
0