Pioneer DEH-P520 Service Manual page 64

DEH-P520,P5200,P5250
- Pin Functions (PD6279A)
Pin No. Pin Name
1–42 SEG41–0
43–46 COM3–0
47–49 V1–V3
50 VCC
51 LED
52 SO
53 SI
54,55 MOD0,1
56 RST
57 X0
58 X1
59 VSS
60 REMIN
61 DIM
62 GRN/amb
63–66 KDT4–1
67–72 KST6–1
73–100 SEG69-42
*PD6279A
31
50
64
I/O Function and Operation
O LCD segment output
O LCD common output
LCD bias power supply
Power supply terminal
O LED control output
O System micro computer UART communication data output
I System micro computer UART communication data input
GND
I Reset signal input terminal
Crystal oscillator connection pin
Crystal oscillator connection pin
GND
I Remote control reception input
O Dimmer select output
O Illumination color select output
I Key data input
O Key strobe output
O LCD segment output
100
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