Pioneer KEH-P7850 Service Manual page 42

KEH-P7850
- Pin Functions(PD6294A)
Pin No. Pin Name
1 VSS
2 X1
3 X0
rst
4
5,6 MODE1,0
GRN/amb
7
8 SO
9 SI
10 REMIN
11 RVER
12 NC
13–16 KDT4–1
17–22 KST6–1
23 VCC
24–73 SEG49–0
74–77 COM3–0
78–80 V3–1
*PD6294A
21
40
42
I/O Function and Operation
GND
Crystal oscillator connection pin
Crystal oscillator connection pin
I System reset
GND
O Green/Amber select output
O UART output
I UART input
I Remote control reception
Not used
Not used
I Key data input
O Key strobe output
5V
O LCD segment output
O Common driver output
LCD bias power supply
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