STA335BWS 查看數據表（PDF） - STMicroelectronics
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STA335BWS Datasheet PDF : 68 Pages
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Register description
STA335BWS
6.4.2 De-emphasis
6.4.3
Bit R/W RST
Name
Description
1
R/W
0
DEMP
0: No de-emphasis
1: De-emphasis
Setting the DEMP bit enables de-emphasis on all channels
DSP bypass
6.4.4
Bit R/W RST
Name
Description
2
R/W
0
DSPB
0: Normal operation
1: Bypass of biquad and bass/treble functionality
Setting the DSPB bit bypasses the EQ functionality of the STA335BWS.
Post-scale link
6.4.5
Bit R/W RST
Name
Description
3
R/W
0
0: Each channel uses individual post-scale value
PSL
1: Each channel uses channel 1 post-scale value
Post-scale functionality can be used for power-supply error correction. For multi-channel
applications running off the same power-supply, the post-scale values can be linked to the
value of channel 1 for ease of use and update the values faster.
Biquad coefficient link
Bit R/W RST
Name
Description
4
R/W
0
BQL
0: Each channel uses coefficient values
1: Each channel uses channel 1 coefficient values
For ease of use, all channels can use the biquad coefficients loaded into the Channel 1
Coefficient RAM space by setting the BQL bit to 1. Therefore, any EQ updates only have to
be performed once.
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