LA8520M Datasheet, PDF (5/17 Pages) Sanyo Semicon Device – Audio Signal-Processing IC with I/O Switching

Serial Data Format
LA8520M
A6 to A0: Setting for the crosspoint switch and control switch address (hexadecimal → binary)
D:
Controls the on/off state of the crosspoint switch and control switch.
D = 1: Crosspoint switch on, BTL amplifier on
D = 0: Crosspoint switch off, BTL amplifier off
(The electronic volume control and attenuator can be set to either 0 or 1.)
Address table
Input - Output
LINE
HAND
RF1
RF2
DOOR
AUX
EVR
OP
RE.
—
07
0D
14
—
21
29
2F
TR.
01
—
0E
15
1B
22
—
30
RF1
02
08
38
16
1C
23
2A
31
RF2
03
09
0F
39
1D
24
2B
32
DOOR
—
0A
10
17
—
25
2C
33
AUX
04
0B
11
18
1E
26
2D
34
MIC
05
—
12
19
1F
27
—
35
OGM
06
0C
13
1A
20
28
2E
36
OP
—
—
—
—
—
—
37
—
Other addresses
Address Mode
00 All crosspoint switches off, default settings for the control switches
3F BTL power amplifier on (The default state is off.)
40
Electronic volume control 0 dB ← Default setting
41 Electronic volume control –4 dB
42 Electronic volume control –8 dB
43 Electronic volume control –12 dB
44 Electronic volume control –16 dB
45 Electronic volume control –20 dB
46 Electronic volume control –24 dB
47 Electronic volume control –28 dB
50
Handset amplifier attenuator 0 dB ← Default setting
51 Handset amplifier attenuator –3 dB
52 Handset amplifier attenuator –4 dB
53 Handset amplifier attenuator –6 dB
No. 6075-5/17