sta381bw STMicroelectronics, sta381bw Datasheet - Page 37

• Manufacturer Part Number: sta381bw
• Description: Sound Terminal 2.1-channel High-efficiency Digital Audio System
• Manufacturer: STMicroelectronics

STA381BW
4.3.10
Table 12.
Dynamic attack rate
CRC computed
Biquads CTRL
CRC expected
Function
OFFSET
Memory map
All the control parameters listed in the previous paragraphs are stored in the internal device
memory. Please refer to
For the programming procedure please refer to
control registers (addr 0x27 -
the STC coefficients memory.
STC coefficients memory map
Address
0X6A
0X6B
0x5B
0x5C
0x5D
0x5E
0x5F
0X68
0X69
0x54
0x55
0x56
0x57
0x58
0x59
0x60
0x61
0x62
0x63
0x64
0x65
0x66
0x67
0x71
0x72
0x73
0x74
05A
RR: release rate
AR: attack rate
LT: limiter threshold
CR: compressor ratio
CT: compressor threshold
RR: release rate
LT: limiter threshold
CR: compressor ratio
CT: compressor threshold
RR: release rate
AR: attack rate
LT: limiter threshold
CR: compressor ratio
CT: compressor threshold
RR: release rate
AR: attack rate
LT: limiter threshold
CR: compressor ratio
CT: compressor threshold
OFS0: offset DRC 0
OFS1: offset DRC 1
DAR: dynamic attack rate
Band splitter filter
coefficients range
AR: attack rate
OFS2: offset DRC 2
OFS3: offset DRC 3
Table 12
Parameter
Doc ID 018835 Rev 2
0x37). Be aware that the read-all operation is not available for
and
Table 13
[0.0078,1)
[0.0078,1)
[0.0078,1)
[0.0078,1)
[-24, +12]
[-24, +12]
[-24, +12]
[-24, +12]
for a complete list of their addresses.
[0, +48]
[0, +48]
[0, +48]
[0, +48]
[-48, 0]
[-48, 0]
[-48, 0]
[-48, 0]
Range
[0,15]
[0,15]
[0,15]
[0,15]
[0,16]
[0,16]
[0,16]
[0,16]
[0, 1)
Section 6.24: User-defined coefficient
Precision
0.0039
0.0039
0.0039
0.0039
0.0039
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
0.25
1
1
1
1
dB/ms
dB/ms
dB/ms
dB/ms
dB/ms
dB/ms
dB/ms
dB/ms
ms/dB
index
index
index
index
Unit
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
Device overview
0x0000AA
0x200000
0x200000
0x000000
0x000000
0x000000
0x200000
0x200000
0x000000
0x000000
0x000000
0x200000
0x200000
0x000000
0x000000
0x000000
0x200000
0x200000
0x000000
0x000000
0x000000
0x000000
0x000000
0x000000
0x000000
0x000000
Default
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