Power Driver Integrated Full Digital Audio Amplifier
NTP-8230
Addr 0x23: DRC Control 7
Bit
7
6
5
4
3
2
1
0
Name
X
C1C_P
X
A1C_P
Name
A1C_P
Description
DRC attack time
(post-DRC)
DRC release time
(post-DRC)
Value
b‟000
b‟111
b‟000
b‟111
Meaning
Attack time (default = b’001)
Ref.
~
~
C1C_P
Release time (default = b’100)
Addr 0x24 : DRC Control 8
Bit
7
6
5
4
3
2
1
0
Name
X
X
X
DLL
Name
DLL
Description
Delay line length
Value
Meaning
Ref.
b‟00000~ Delay line length. 0~20(decimal)
b’10100
Addr 0x25 : DRC Control 9
Bit
7
6
5
4
3
2
1
0
Name
CCO
DTS1
DTS2
2BM
ASB
RSB
TSB
CAS
Name
CAS
Description
Coupled
Structure enable
Threshold
parameter select bit
Value
Allpass b’0
Meaning
Enable coupled allpass structure
Disable coupled allpass structure
Uses Threshold parameters in Table
Uses Threshold parameters from external
loading
Uses Release parameters in Table
Uses Release parameters from external
loading
Ref.
b‟1
b’0
b‟1
TSB
RSB
ASB
Release parameter b’0
select bit
b‟1
Attack
parameter b’0
Uses Attack parameters in Table
Uses Attack parameters from external
loading
select bit
b‟1
2BM
2band mode enable b’0
1 band DRC
b‟1
2 band DRC
DTS2
DTS1
CCO
P-DRC type select
b’0
b‟1
P-DRC new mode
P-DRC old mode
LH-DRC new mode
LH-DRC old mode
Clip on
LH-DRC type select b’0
b‟1
b’0
Clip control option
b‟1
Clip off
Addr 0x26 : Soft mute Control 0
Bit
7
6
5
4
3
2
1
0
Name
SMH
X
X
X
X
SM3
SM2
SM1
Name
SMn
Description
Softmute
Value
b‟0
Meaning
increase for channel n
Ref.
b’1
b’0
b‟1
decrease for channel n
42/46 msec(at 96/88.2kHz))
Hard change
SMH
Softmute speed
Copyright ⓒ NeoFidelity, Inc.
Page 33
Document Number: DS8230 draft ver. 0.1
2011-01-11
ETC [ ETC ]
