
SLAS644B – JULY 2009 – REVISED OCTOBER 2009
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Page 8 / Register 1: DAC Coefficient RAM Control
READ/
RESET
BIT
DESCRIPTION
WRITE
VALUE
D7–D4
R/W
00000
Reserved. Write only the reset value.
D3
R
0
DAC miniDSP generated flag for toggling MSB of coefficient RAM address (only used in non-adaptive
mode)
D2
R/W
0
DAC Adaptive Filtering Control
0: Adaptive filtering disabled in DAC miniDSP
1: Adaptive filtering enabled in DAC miniDSP
D1
R
0
DAC Adaptive Filter Buffer Control Flag
0: In adaptive filter mode, DAC miniDSP accesses DAC coefficient Buffer A and the external control
interface accesses DAC coefficient Buffer B
1: In adaptive filter mode, DAC miniDSP accesses DAC coefficient Buffer B and the external control
interface accesses DAC coefficient Buffer A
D0
R/W
0
DAC Adaptive Filter Buffer Switch Control
0: DAC coefficient buffers are not switched at the next frame boundary.
1: DAC coefficient buffers are switched at the next frame boundary, if adaptive filtering mode is enabled.
This bit self-clears on switching.
Table 6-4. Page-8 Registers
REGISTER
RESET VALUE
REGISTER NAME
NUMBER
Coefficient N0(15:8) for left DAC-programmable biquad A or coefficient C1(15:8) of DAC
2
0111 1111
miniDSP (DAC buffer A)
Coefficient N0(7:0) for left DAC-programmable biquad A or coefficient C1(7:0) of DAC
3
1111 1111
miniDSP (DAC buffer A)
Coefficient N1(15:8) for left DAC-programmable biquad A or coefficient C2(15:8) of DAC
4
0000 0000
miniDSP (DAC buffer A)
Coefficient N1(7:0) for left DAC-programmable biquad A or coefficient C2(7:0) of DAC
5
0000 0000
miniDSP (DAC buffer A)
Coefficient N2(15:8) for left DAC-programmable biquad A or coefficient C3(15:8) of DAC
6
0000 0000
miniDSP (DAC buffer A)
Coefficient N2(7:0) for left DAC-programmable biquad A or coefficient C3(7:0) of DAC
7
0000 0000
miniDSP (DAC buffer A)
Coefficient D1(15:8) for left DAC-programmable biquad A or coefficient C4(15:8) of DAC
8
0000 0000
miniDSP (DAC buffer A)
Coefficient D1(7:0) for left DAC-programmable biquad A or coefficient C4(7:0) of DAC
9
0000 0000
miniDSP (DAC buffer A)
Coefficient D2(15:8) for left DAC-programmable biquad A or coefficient C5(15:8) of DAC
10
0000 0000
miniDSP (DAC buffer A)
Coefficient D2(7:0) for left DAC-programmable biquad A or coefficient C5(7:0) of DAC
11
0000 0000
miniDSP (DAC buffer A)
Coefficient N0(15:8) for left DAC-programmable biquad B or coefficient C6(15:8) of DAC
12
0111 1111
miniDSP (DAC buffer A)
Coefficient N0(7:0) for left DAC-programmable biquad B or coefficient C6(7:0) of DAC
13
1111 1111
miniDSP (DAC buffer A)
Coefficient N1(15:8) for left DAC-programmable biquad B or coefficient C7(15:8) of DAC
14
0000 0000
miniDSP (DAC buffer A)
Coefficient N1(7:0) for left DAC-programmable biquad B or coefficient C7(7:0) of DAC
15
0000 0000
miniDSP (DAC buffer A)
Coefficient N2(15:8) for left DAC-programmable biquad B or coefficient C8(15:8) of DAC
16
0000 0000
miniDSP (DAC buffer A)
Coefficient N2(7:0) for left DAC-programmable biquad B or coefficient C8(7:0) of DAC
17
0000 0000
miniDSP (DAC buffer A)
Coefficient D1(15:8) for left DAC-programmable biquad B or coefficient C9(15:8) of DAC
18
0000 0000
miniDSP (DAC buffer A)
Coefficient D1(7:0) for left DAC-programmable biquad B or coefficient C9(7:0) of DAC
19
0000 0000
miniDSP (DAC buffer A)
118
REGISTER MAP
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