sta339bw STMicroelectronics, sta339bw Datasheet - Page 55

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

STA339BW
6.11.5
6.11.6
Table 70.
0000
0001
0010
0011
0100
0101
0110
0111
1000
1001
1010
1011
1100
1101
1110
1111
LxAT[3:0]
Dynamic range compression mode
-31
-29
-27
-25
-23
-21
-19
-17
-16
-15
-14
-13
-12
-10
-7
-4
Limiter 1 Extended attack threshold (addr 0x32)
The extended attack threshold value is determined as follows:
Limiter 1 Extended release threshold (addr 0x33)
The extended release threshold value is determined as follows:
Limiter attack threshold as a
function of LxAT bits (DRC-
Mode)
ERTHEN1
EATHEN1
TBD
TBD
DRC (dB relative to Volume)
D7
D7
attack threshold = -12 + EATH1 / 4
release threshold = -12 + ERTH1 / 4
ERTH1[6]
EATH1[6]
TBD
TBD
D6
D6
ERTH1[5]
EATH1[5]
TBD
TBD
D5
D5
Doc ID 15251 Rev 4
ERTH1[4]
EATH1[4]
TBD
TBD
D4
D4
Table 71.
0000
0001
0010
0011
0100
0101
0110
0111
1000
1001
1010
1011
1100
1101
1110
1111
LxRT[3:0]
ERTH1[3]
EATH1[3]
TBD
TBD
D3
D3
Limiter release threshold as a
as a function of LxRT bits
(DRC-Mode)
-∞
-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
ERTH1[2]
EATH1[2]
DRC (db relative to Volume +
TBD
TBD
D2
D2
Register description
ERTH1[1]
EATH1[1]
LxAT)
TBD
TBD
D1
D1
ERTH1[0]
EATH1[0]
TBD
TBD
D0
D0
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