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AVX-505
7. GENERAL INFORMATION
7.1 IC
- Pin Functions (PD4703C)
Pin No.
Pin Name
1
KDT3
2,3
NC
4
AVSS
5,6
NC
7
AVREF1
8-26
NC
st
27
bil
28
29-32
NC
33
VSS
34-37
NC
38
SWVDD
dimmer
39
40,41
NC
42
ILMPW
43
LCDPW
44
MTRPW
45
PEE
46,47
MTR1,2
48
MTRS
49
MTRSEL
50
IOPULS
deg)sw
51
liftsw
52
53
DEGPULS
vinmcc
54
55
PBSENS
56
TX
57
RX
ad/SOC
58
ilmin
59
reset
60
61
NC
bsens
62
asens
63
64-67
NC
68
VDD
69
X2
70
X1
71
IC
72
XT2
73
TESTIN
74
AVDD
75
AVREF0
76
SL
77
AFT
78–80
KDT3-0
*PD4703C
21
40
50
I/O
Format
Function and Operation
I
Key data input
Not used
I
A/D converter GND
Not used
I
A/D converter reference voltage
Not used
I
Not used
I
Not used
Not used
GND
Not used
O
C
Keyboard Unit power supply control output
O
C
Display dimmer output
Not used
O
C
Not used
O
C
LCD back light power supply control output
O
C
Motor power supply control output
O
C
Beep tone output
O
C
Motor position control output
O
C
Motor speed control output
O
C
Motor position control output
I
Monitor position sense control input
I
0 degree switch input
I
Lift switch input
I
Monitor degree sense input
I
Not used
I
Not used
O
C
Not used
I
Not used
I
Not used
I
Illumination power sense input
I
Reset input
Not used
I
Back up power sense input
I
ACC power sense input
Not used
Power supply
Crystal oscillator connection pin
Crystal oscillator connection pin
GND
Not used
I
Test mode IN/test enable
Positive power supply terminal for analog circuit
I
Not used
I
Not used
I
Not used
I
Key data input
80
61
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