sta381bws STMicroelectronics, sta381bws Datasheet - Page 135
sta381bws
Manufacturer Part Number
sta381bws
Description
Sound Terminal 2.1-channel High-efficiency Digital Audio System Sound Terminal 2.1-channel High-efficiency Digital Audio System
Manufacturer
STMicroelectronics
Datasheet
1.STA381BWS.pdf
(168 pages)
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STA381BWS
7.12.12
7.12.13
7.12.14
7.12.15
7.12.16
7.12.17
Note:
Coefficient a2 data register bits 15:8
Coefficient a2 data register bits 7:0
Coefficient b0 data register bits 23:16
Coefficient b0 data register bits 15:8
Coefficient b0 data register bits 7:0
Coefficient write/read control register
Coefficients for user-defined EQ, mixing, scaling, bass management and STCompressor
(see
available to the user via an I
to this function. One contains a coefficient base address, five sets of three store the values
of the 24-bit coefficients to be written or that were read, and one contains bits used to
control the write/read of the coefficient(s) to/from RAM.
The read and write operation on RAM coefficients works only if LRCKI (pin 29) is switching.
C4B15
C5B23
C5B15
C4B7
C5B7
D7
D7
D7
D7
D7
D7
Section
0
0
0
0
0
4.2) are handled internally in the STA381BWS via RAM. Access to this RAM is
C4B14
C5B22
C5B14
C4B6
C5B6
D6
D6
D6
D6
D6
D6
0
0
0
0
0
Reserved
0
C4B13
C5B21
C5B13
C4B5
C5B5
D5
D5
D5
D5
D5
D5
0
0
0
0
0
2
C register interface. A collection of I
Doc ID 018937 Rev 2
Register description: Sound Terminal compatibility
C4B12
C5B20
C5B12
C4B4
C5B4
D4
D4
D4
D4
D4
D4
0
0
0
0
0
C4B11
C5B19
C5B11
C4B3
C5B3
RA
D3
D3
D3
D3
D3
D3
0
0
0
0
0
0
C4B10
C5B18
C5B10
C4B2
C5B2
D2
D2
D2
D2
D2
D2
R1
0
0
0
0
0
0
2
C registers are dedicated
C5B17
C4B9
C4B1
C5B9
C5B1
WA
D1
D1
D1
D1
D1
D1
0
0
0
0
0
0
C5B16
C4B8
C4B0
C5B8
C5B0
135/168
W1
D0
D0
D0
D0
D0
D0
0
0
0
0
0
0
TM
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