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2. Pin function (2/2)
Pin
No.
P10/AN10
33
AVREF
34
AVDD
35
/RESET
36
XT2
37
XT1
38
IC
39
X2
40
X1
41
VSS1
42
FLAG
43
BLKCK
44
/RFDET
45
EQx2
46
EQx4
47
VCOx4
48
49
OPEN
50
/CLOSE
51
IREFx4
52
P75/BUZ
53
/RESET
54
STAT
55
/DMUTE
56
/P.ON
57
MLD
58
MDATA
59
MCLK
60
CLKSW
61
JIG
62
JIG
63
JIG
64
JIG
LB1641 (IC703) : DC motor driver
1. Pin layout
1
2
3
4
5
GND OUT1 P1
VZ
IN1
Symbol
I/O
Function
Connected to GND
-
Analog circuit reference voltage. Connected with analog circuit power supply
-
Analog circuit power supply
I
CD control reset input from IC801
-
Not used
-
Connected with power supply
O
Flash memory control
-
Connected with external crystal oscillator
-
Connected with external crystal oscillator
-
GND
I
Flag signal input from IC651
I
Sub-code block clock signal input from IC651
I
RF signal amplitude detection input
O
2 equalizer switch output
O
4 equalizer switch output
-
Not used
I
Open door detection
I
Closed door detection
O
4 DSP current switch output
-
Not used
O
Reset signal output to IC651 (L: Reset)
I
Status signal input from IC651
O
Muting output to IC651
O
Power on/off switch signal output to IC291
O
Microcomputer command load signal output to IC651
O
Microcomputer command data output to IC651
O
Microcomputer command clock signal output to IC651
-
Not used
-
Not used
-
Not used
-
Not used
Connected to GND
2. Pin function
6
7
8
9
10
IN2 VCC1 VCC2 P2
OUT2
Input
Output
IN1
IN2
OUT1
0
0
0
1
0
1
0
1
0
1
1
0
UX-F70MD/UX-F72MD
Mode
OUT2
0
Brake
0
CLOCKWISE
1
COUNTER-CLOCKWISE
0
Brake
1-51
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