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- Pin Functions (PD6293A)
Pin No.
Pin Name
1-5
SEG4-0
6-9
COM3-0
10
VLCD
11-14
KST3-0
15,16
KDT0,1
17
REM
18
DPDT
19
NC
20
KYDT
21
MODA
22
X0
23
X1
24
VSS
25,26
KDT2,3
27
NC
28
KST4
29-32
NC
33-55
SEG35-13
56
VDD
57-64
SEG12-5
SN761029DL
48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25
Gain
Adjust
Power
Supply
Gain
Adjust
1
2
3
4
I/O
Function and Operation
O
LCD segment output
O
LCD common output
LCD drive power supply
O
Key strobe output
I
Key data input (analogue input)
I
Remote control reception
I
Display data input
Not used
O
Key data output
GND
Crystal oscillator connection pin
Crystal oscillator connection pin
GND
I
Key data input
Not used
O
Key strobe output
Not used
O
LCD segment output
Power supply
O
LCD segment output
Isolator
Volume,
Loudness
Zero-cross
3 Line Serial Bus
A
Detector
Volume,
Loudness
Isolator
5
6
7
8
9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24
Treble
Bass
Fader
Fader
Treble
Bass
KEH-3950,3910
Power
A
Supply
47
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