LV3329PE Datasheet, PDF (10/30 Pages) Sanyo Semicon Device – For Car Audio Systems Electronic Volume IC

LV3329PE
Control System Timing and Data Format
The LV3329PE is controlled by applying the stipulated data to the CL, DI and CE pins.
The data consists of 8 address bits, 12 data bits for each command, and 4 command register bits.
CE
DI
B0 B1 B2 B3 A0 A1 A2 A3 D0 D1 D2 D3 D4 D5
CL
D10 D11 C0 C1 C2 C3
data
command register
CE
1μs 1μs 1μs
min min min
1μs
min
1μs
CL
min
DI
Send to data
1μs ≤ TDEST
Address code
B0 to B3, A0 to A3
data (12bit)
D0 to D11
command register
C0 to C3
REG0 to REG15
Address code
B0
B1
B2
B3
A0
A1
A2
A3
1
0
0
0
0
0
0
1
Command register summary (REG0 to REG15)
C0 C1 C2 C3
Register
0
0
0
0 REG0 (Input selector select, input gain related)
1
0
0
0 REG1 (Main volume related)
0
1
0
0 REG2 (Loudness related)
1
1
0
0 REG3 (Tone block_Bass)
0
0
1
0 REG4 (Tone block_Mid)
1
0
1
0 REG5 (Tone block_Treble)
0
1
1
0 REG6 (Fader related)
1
1
1
0 REG7 (Zero cross related)
0
0
0
1 REG8 (FIXED_EQ block LOW CUT)
1
0
0
1 REG9 (FIXED_EQ block LOW)
0
1
0
1 REG10 (FIXED_EQ block MID)
1
1
0
1 REG11 (FIXED_EQ block HIGH)
0
0
1
1 REG12 (Soft mute related)
1
0
1
1 REG13 (Bass block/Mid block soft step on/off select)
0
1
1
1 REG14 (Other settings)
1
1
1
1 REG15 (Test mode related)
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