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LC75421 Folha de dados(PDF) 6 Page - Sanyo Semicon Device

Nome de Peças LC75421
Descrição Electrónicos  Electronic Volume Controller for Cars
Download  24 Pages
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Fabricante Electrônico  SANYO [Sanyo Semicon Device]
Página de início  https://www.sanyo-av.com/us/
Logo SANYO - Sanyo Semicon Device

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Control Timing and Data Format
To control the LC75421M, input specified serial data to the CE, CL, and DI pins.
The data configuration consists of a total of 52 bits broken down into 8 address bits and 44 data bits.
No. 6866-6/24
LC75421M
CE
B0
B1
B2
B3
A0
A1
A2
A3
1
µs
min
1
µs
min
1
µs
min
1
µs ≤ TDEST
B
0
D
0
D
1
D
2
D
3
D
4
D
5
D
6
D
7
D
8
D
9
D
10
D
11
D
12
D
13
D
14
D
15
D
16
D
17
D
18
D
19
D
20
D
21
D
22
D
23
0
1
0
1
D
24
D
25
D
26
D
27
D
28
D
29
D
30
D
31
D
32
D
33
D
34
D
35
D
36
D
37
D
38
D
39
D
40
D
41
D
42
D
43
B
1
B
2
B
3
A
0
A
1
A
2
A
3
1 0 0 0 0 0 0 1
1
µs
min
1
µs
min
D0
D1
D2
D3
D4
D5
D38 D39 D40 D41 D42 D43
DI
DI
Super bass control
Treble control
Boost
Boost
Caution: Be sure to set D36 to D38 and D40 to D43
to “0” for the TEST bit of the IC.
CL
CL
CE
Address code
Fader step control
0 0 0 0
1 0 0 0
0 1 0 0
1 1 0 0
0 0 1 0
1 0 1 0
0 1 1 0
1 1 1 0
0 0 0 1
1 0 0 1
0 1 0 1
1 1 0 1
0 0 1 1
1 0 1 1
0 1 1 1
1 1 1 1
∞ dB
–60 dB
–45 dB
–35 dB
–25 dB
–20 dB
–18 dB
–16 dB
–14 dB
–12 dB
–10 dB
–8 dB
–6 dB
–4 dB
–2 dB
0 dB
0 0 0 0
1 0 0 0
0 1 0 0
1 1 0 0
0 0 1 0
1 0 1 0
0 1 1 0
1 1 1 0
0 0 0 1
1 0 0 1
0 1 0 1
1 1 0 1
0 0 1 1
1 0 1 1
0 1 1 1
1 1 1 1
0 dB
+1.25 dB
+2.50 dB
+3.75 dB
+5.00 dB
+6.25 dB
+7.50 dB
+8.75 dB
+10.00 dB
+11.25 dB
+12.50 dB
+13.75 dB
+15.00 dB
+16.25 dB
+17.50 dB
+18.75 dB
0 0
0 1
1 0
1 1
0 0
1 0
0 1
1 1
0 dB
0 dB
+6.5 dB
+8.5 dB
1 1 1 0
0 1 1 0
1 0 1 0
0 0 1 0
1 1 0 0
0 1 0 0
1 0 0 0
0 0 0 0
1 0 0 1
0 1 0 1
1 1 0 1
0 0 1 1
1 0 1 1
0 1 1 1
1 1 1 1
STEP15
STEP14
STEP13
STEP12
STEP11
STEP10
STEP9
STEP8
STEP7
STEP6
STEP5
STEP4
STEP3
STEP2
STEP1
Cut
1 1 1 0
0 1 1 0
1 0 1 0
0 0 1 0
1 1 0 0
0 1 0 0
1 0 0 0
0 0 0 0
1 0 0 1
0 1 0 1
1 1 0 1
0 0 1 1
1 0 1 1
0 1 1 1
1 1 1 1
STEP15
STEP14
STEP13
STEP12
STEP11
STEP10
STEP9
STEP8
STEP7
STEP6
STEP5
STEP4
STEP3
STEP2
STEP1
Cut
0 0 0 0
1 0 0 0
0 1 0 0
1 1 0 0
0 0 1 0
1 0 1 0
0 1 1 0
1 1 1 0
0 0 0 1
1 0 0 1
0 1 0 1
STEP0(FLAT)
STEP1
STEP2
STEP3
STEP4
STEP5
STEP6
STEP7
STEP8
STEP9
STEP10(BOOST max)
Bass control
Volume control
Fader
rear/front
control
Rear
Front
OFF
ON
TEST mode
Input switch control (1)
Input switch control (2)
Input mute
switch control
Input gain control
Channel selection
Initial setting
Lch
Rch
L/R simultaneous
Output gain control


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