STA381BWS Datasheet, PDF (159/171 Pages) STMicroelectronics – Sound Terminal® 2.1-channel high-efficiency digital audio system

STA381BWS
Register description: Sound Terminal compatibility
7.27 STCompressor^TM configuration register (address 0x5A;
0x5B)
D7
reserved
0
D6
LIM_BYP
0
D5
STC_BYP
1
D4
STC_ENA
1
D3
reserved
0
D2
NP_CRES
0
D1
reserved
0
D0
NP_CRC-GO
0
D7
reserved
0
D6
reserved
0
D5
reserved
0
D4
reserved
0
D3
reserved
0
Table 178. STCompressor^TM configuration bits1
Bit R/W RST
Name
D2
reserved
0
D1
STC_LNK
0
D0
BRC_EN
0
Description
6
R/W
0
5
R/W
1
4
R/W
1
2
R
0
0
R/W
0
LIM_BYP
STC_BYP
STC_EN
NP_CRCRES
NP_CRC_GO
‘0’: STCompressor^TM DRC active
‘1’: STCompressor^TM DRC is bypassed
‘0’: STCompressor^TM processing activated
‘1’: STCompressor^TM is in pass-through
‘0’: STCompressor^TM is switched off (no
configuration is possible in this state)
‘1’: STCompressor^TM is enabled
‘1’: CRC STCompressor ok
‘0’: CRC STCompressor error
‘1’: Start CRC STCompressor compute ON
‘0’: Idle
Table 179. STCompressor^TM configuration bits 2
Bit R/W RST
Name
Description
1
R/W 0
STC_LNK
0
R/W 0
BRC_EN
‘0’: Channel 0 and channel 1 attenuation are
applied indepenently
‘1’: Channel 0 and channel 1 attenuation are
linked so that the higher one is applied to both
channel 0 and channel 1
‘1’: STCompressor band recombination enabled
‘0’: Disabled
Doc ID 018937 Rev 6
159/171