3. PIN DESCRIPTION
PIN No.
Symbol
I/O
Description
1
-Vs
I
Negative Power Supply
2
OUT1
O
Signal out SL
3
+Vs
I
Positive Power Supply
4
OUT2
O
Signal out SR
5
MUTE
I
Mute control
6
-Vs
I
Negative Power Supply
7
IN2+
I
Non-Inverting Input Pin SR
8
IN2-
I
Inverting Input Pin SR
9
GND
I
GND
10
IN1+
I
Non-Inverting Input Pin SL
11
IN1-
I
Inverting Input Pin SL
3.5.11 function introduction to M62446
1. DESCRIPTION
The M62446FP is 6 channels electric volume controlled 3-wire serial data.
The IC is suitable for use in home-use audio systems and TV sets.
2. Features
◆
Electric volume: Volume level••••• 0dB ~ -79dB, -
dB (1dB / step)
?
◆
Tone control: Bass / Treble, 0dB ~ ±10dB(2dB / step)
◆
4 Output ports: Built-in microcomputer interface circuit controlled by 16-bit serial data.
3. PIN DESCRIPTION
PIN No.
Symbol
I/O
Description
1
Out 4
O
Source select control 4
2
Out3
O
Source select control 3
3
Out2
O
Source select control 2
4
Out1
O
Source select control 1
5
AVdd
I
Positive Power Supply
6
SWin
I
SW Input
7
GNDS
I
SW GND
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