參數(shù)資料
型號： LC75421
廠商： Sanyo Electric Co.,Ltd.
英文描述： Electronic Volume Controller for Cars
中文描述： 汽車電子音量控制器
文件頁數(shù)： 6/24頁
文件大小： 392K
代理商： LC75421
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
μ
s
min
1
μ
s
min
1
μ
s
min
1
μ
s
≤
T
DEST
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
μ
s
min
1
μ
s
min
D0
D1
D2
D3
D4
D5
D38 D39 D40 D41 D42 D43
DI
DI
Super bass control
Treble control
Boost
STEP15
STEP14
STEP13
STEP12
STEP11
STEP10
STEP9
STEP8
STEP7
STEP6
STEP5
STEP4
STEP3
STEP2
STEP1
Cut
Boost
STEP15
STEP14
STEP13
STEP12
STEP11
STEP10
STEP9
STEP8
STEP7
STEP6
STEP5
STEP4
STEP3
STEP2
STEP1
Cut
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
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
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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