lm4832 National Semiconductor Corporation, lm4832 Datasheet - Page 12

• Manufacturer Part Number: lm4832
• Description: Digitally Controlled Tone And Volume Circuit With Stereo Audio Power Amplifier, Microphone Preamp Stage And National 3d Sound
• Manufacturer: National Semiconductor Corporation

www.national.com
Truth Tables
SOFTWARE SPECIFICATION
*E.C. = Externally Configuarable
MSB
0
0
0
0
1
1
1
1
MSB
0
0
0
0
0
0
0
0
Input Volume Control
Power Up State
MSB
0
0
0
0
0
0
0
0
0
0
0
0
0
Bass Control
Power Up State
0
0
1
1
0
0
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
MSB
1
0
1
0
1
0
1
0
1
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
1
1
1
1
1
0
X
X
X
D4
D4
X
D4
D
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
4
0
0
Data Bytes (Brief Description)
X
D3
D3
D3
D3
D
D3
D
X
X
X
X
X
X
X
X
X
0
0
0
0
0
0
0
0
1
1
1
1
1
0
1
3
Input Volume Control
1
0
0
Chip Address
Bass Control
D2
D2
D2
D2
D2
D
D2
D
0
0
0
0
1
1
1
1
0
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
2
12
0
0
0
D1
D1
D1
D1
D1
D
D1
D
0
0
1
1
0
0
1
1
0
0
0
1
1
0
0
1
1
0
0
1
1
0
1
0
1
1
0
*E.C.
LSB
D0
D0
D0
D0
D0
D
D0
D
LSB
0
1
0
1
0
1
0
1
0
LSB
0
1
0
1
0
1
0
1
0
1
0
1
0
0
0
0
0
0
*E.C.
Function
Input Volume Control
Bass Control
Treble Control
Right Output Vol./Mute
Left Output Vol./Mute
Mic Input and Gain
Microphone Volume
General Control
Attenuation (dB)
0
−2
−4
−6
−8
−10
−12
−14
Input Volume Control
at 0 dB Attenuation
Level (dB)
−12
−10
−8
−6
−4
−2
0
2
4
6
8
10
12
Bass Control is Flat
LSB
0