Power Driver Integrated Full Digital Audio Amplifier
NTP-8230
Address
(decimal) (hexadecimal)
Address
default in
hex
REG 0x7E
description
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
0x15
0x16
0x17
0x18
0x19
0x1A
0x1B
0x1C
0x1D
0x1E
0x1F
0x20
0x21
0x22
0x23
0x04
0x04
0x04
0x04
0x04
0x04
0x04
0x04
0x04
0x04
0x04
0x04
0x04
0x04
0x04
PBQ3 b1
0x20000000
0x20000000
0x20000000
0x20000000
0x0318B4A4
0x0418B4A4
0x0318B4A4
0x117BA189
0x10F75628
0x20000000
0x20000000
0x20000000
0x107FFE1D
0x11000000
0x11000000
PBQ3 b2
PBQ3 a1
PBQ3 a2
Attack SW BQ b0
Attack SW BQ b1
Attack SW BQ b2
Attack SW BQ a1
Attack SW BQ a2
Loudness gain 1
Loudness gain 2
Loudness gain 3
Release Gain SW
THD Gain SW
Attack Gain SW
BiQuad Coefficients for Programmable Equalizer (PEQ)
PEQ BiQuad filters are programmed after setting Reg 0x7E as “0x08”.
Also, five coefficients should
be consecutively in incremental address form to program one BiQuad filter.
REG 0x7E
PEQ
address
(decimal) (hexadecimal)
address
default in
description
hex
0
0x00
0x01
0x02
0x03
0x04
0x05
0x06
0x07
0x08
0x09
0x0A
0x0B
0x0C
0x0D
0x0E
0x0F
0x10
0x11
0x12
0x13
0x14
0x15
0x16
0x17
0x18
0x19
0x08
0x08
0x08
0x08
0x08
0x08
0x08
0x08
0x08
0x08
0x08
0x08
0x08
0x08
0x08
0x08
0x08
0x08
0x08
0x08
0x08
0x08
0x08
0x08
0x08
0x08
PEQ CH1 BQ1 b0
PEQ CH1 BQ1 b1
PEQ CH1 BQ1 b2
PEQ CH1 BQ1 a1
PEQ CH1 BQ1 a2
PEQ CH1 BQ2 b0
PEQ CH1 BQ2 b1
PEQ CH1 BQ2 b2
PEQ CH1 BQ2 a1
PEQ CH1 BQ2 a2
PEQ CH1 BQ3 b0
PEQ CH1 BQ3 b1
PEQ CH1 BQ3 b2
PEQ CH1 BQ3 a1
PEQ CH1 BQ3 a2
PEQ CH1 BQ4 b0
PEQ CH1 BQ4 b1
PEQ CH1 BQ4 b2
PEQ CH1 BQ4 a1
PEQ CH1 BQ4 a2
PEQ CH1 BQ5 b0
PEQ CH1 BQ5 b1
PEQ CH1 BQ5 b2
PEQ CH1 BQ5 a1
PEQ CH1 BQ5 a2
PEQ CH2 BQ1 b0
0x11000000
0x20000000
0x20000000
0x20000000
0x20000000
0x11000000
0x20000000
0x20000000
0x20000000
0x20000000
0x11000000
0x20000000
0x20000000
0x20000000
0x20000000
0x11000000
0x20000000
0x20000000
0x20000000
0x20000000
0x11000000
0x20000000
0x20000000
0x20000000
0x20000000
0x11000000
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
Copyright ⓒ NeoFidelity, Inc.
Document Number: DS8230 draft ver. 0.1
Page 46
2011-01-11
ETC [ ETC ]
