Power Driver Integrated Full Digital Audio Amplifier
NTP-8230
Addr 0x4B : SE Soft Start Control 1
Bit
7
6
5
4
3
2
1
0
Name
X
SSC
Name
SSC
Description
SE_CHARGE_TIME 0x00~
0x7F
Value
Meaning
Ref.
PWM output delay time from point of PWM
STBY signal to high. The unit of 1bit is
10ns. (default : 0x22)
Addr 0x4C : SE Soft Start Control 2
Bit
7
6
5
4
3
2
1
0
Name
SSR
Name
SSR
Description
SE_ REAPEAT
Value
0x01 ~
0xFF
Meaning
Ref.
The repeat time of se soft start (default: 1
– means repeat 1 times)
Addr 0x4D : SE Soft Start Control 3
Bit
7
6
5
4
3
2
1
0
Name
SPD
Name
SPD
Description
SE_PERIOD
Value
0x01 ~
0x7E
Meaning
Ref.
Half period of PWM output start point. The
unit of 1bit is 10ns. (default : 0x01 – means
half period 20ns)
Addr 0x4E : PWM D-BTL MODE Control 0
Bit
7
6
5
4
3
2
1
0
Name
X
MLP
Name
MLP
Description
Minimum Linear
pulse length
Value
Meaning
Ref.
b’0001000 Unsigned 0~127
Reserved addr 0x4F
Addr 0x50 : PWM D-BTL Mode Control 1
Bit
7
6
5
4
3
2
1
0
Name
X
NSS
Name
NSS
Description
NS Select
Value
Meaning
7bits NS (AD mode)
Reserved
8bits NS
Ref.
b’00
b‟01
b‟10
b„11
New 8bits NS (D-BTL mode)
Copyright ⓒ NeoFidelity, Inc.
Document Number: DS8230 draft ver. 0.1
Page 39
2011-01-11