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TSC2117
Low-Power Audio Codec With Embedded miniDSP, Stereo Class-D
Speaker Amplifier, and Smart Four-Wire Touch-Screen Controller
www.ti.com
SLAS550A – APRIL 2009 – REVISED JUNE 2009
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 will not be switched at the next frame boundary
1: DAC coefficient buffers will be switched at the next frame boundary, if adaptive filtering mode is
enabled. This bit will self-clear on switching.
Table 6-4. Page 8 Registers
REGISTER
RESET VALUE
REGISTER NAME
NUMBER
8 MSBs of n0 coefficient for left DAC-programmable biquad A or Coefficient C1(15:8) of DAC
2
0111 1111
miniDSP (DAC Buffer A)
8 LSBs of n0 coefficient for left DAC-programmable biquad A or Coefficient C1(7:0) of DAC
3
1111 1111
miniDSP (DAC Buffer A)
8 MSBs of n1 coefficient for left DAC-programmable biquad A or Coefficient C2(15:8) of DAC
4
0000 0000
miniDSP (DAC Buffer A)
8 LSBs of n1 coefficient for left DAC-programmable biquad A or Coefficient C2(7:0) of DAC
5
0000 0000
miniDSP (DAC Buffer A)
8 MSBs of n2 coefficient for left DAC-programmable biquad A or Coefficient C3(15:8) of DAC
6
0000 0000
miniDSP (DAC Buffer A)
8 LSBs of n2 coefficient for left DAC-programmable biquad A or Coefficient C3(7:0) of DAC
7
0000 0000
miniDSP (DAC Buffer A)
8 MSBs of d1 coefficient for left DAC-programmable biquad A or Coefficient C4(15:8) of DAC
8
0000 0000
miniDSP (DAC Buffer A)
8 LSBs of d1 coefficient for left DAC-programmable biquad A or Coefficient C4(7:0) of DAC
9
0000 0000
miniDSP (DAC Buffer A)
8 MSBs of d2 coefficient for left DAC-programmable biquad A or Coefficient C5(15:8) of DAC
10
0000 0000
miniDSP (DAC Buffer A)
8 LSBs of d2 coefficient for left DAC-programmable biquad A or Coefficient C5(7:0) of DAC
11
0000 0000
miniDSP (DAC Buffer A)
8 MSBs of n0 coefficient for left DAC-programmable biquad B or Coefficient C6(15:8) of DAC
12
0111 1111
miniDSP (DAC Buffer A)
8 LSBs of n0 coefficient for left DAC-programmable biquad B or Coefficient C6(7:0) of DAC
13
1111 1111
miniDSP (DAC Buffer A)
8 MSBs of n1 coefficient for left DAC-programmable biquad B or Coefficient C7(15:8) of DAC
14
0000 0000
miniDSP (DAC Buffer A)
8 LSBs of n1 coefficient for left DAC-programmable biquad B or Coefficient C7(7:0) of DAC
15
0000 0000
miniDSP (DAC Buffer A)
8 MSBs of n2 coefficient for left DAC-programmable biquad B or Coefficient C8(15:8) of DAC
16
0000 0000
miniDSP (DAC Buffer A)
8 LSBs of n2 coefficient for left DAC-programmable biquad B or Coefficient C8(7:0) of DAC
17
0000 0000
miniDSP (DAC Buffer A)
8 MSBs of d1 coefficient for left DAC-programmable biquad B or Coefficient C9(15:8) of DAC
18
0000 0000
miniDSP (DAC Buffer A)
8 LSBs of d1 coefficient for left DAC-programmable biquad B or Coefficient C9(7:0) of DAC
19
0000 0000
miniDSP (DAC Buffer A)
REGISTER MAP
155