LMC1983 Datasheet, PDF (9/14 Pages) National Semiconductor (TI) – Digitally-Controlled Stereo Tone and Volume Circuit with Three Selectable Stereo Inputs

Application Information (Continued)
Address
(A7–A0)
01000000
01000001
01000010
01000011
01000100
01000101
01000110
01000111
TABLE 1. IM Bus Programming Codes for LMC1983
Function
Data
Input Select + Mute
Loudness
Bass
Treble
Left Volume
Right Volume
Mode Select
Read Digital Input 1
or
Digital Input 2
on IM Bus
XXXXXX00
XXXXXX01
XXXXXX10
XXXXXX11
XXXXXXX0
XXXXXXX1
XXXX0000
XXXX0011
XXXX0110
XXXX1001
XXXX11XX
XXXX0000
XXXX0011
XXXX0110
XXXX1001
XXXX11XX
XX000000
XX010100
XX101XXX
XX11XXXX
XX000000
XX010100
XX101XXX
XX11XXXX
XXXXX100
XXXXX101
XXXXX11X
XXXXXXD1D0
Function
Selected
INPUT1
INPUT2
INPUT3
MUTE
Loudness OFF
Loudness ON
−12 dB
−6 dB
FLAT
+6 dB
+12 dB
−12 dB
−6 dB
FLAT
+6 dB
+12 dB
0 dB
−40 dB
−80 dB
−80 dB
0 dB
−40 dB
−80 dB
−80 dB
Left Mono
Stereo
Right Mono
D0 = Digital Input 1
D1 = Digital Input 2
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