Pioneer CDX-FM657 Service Manual page 50

CDX-FM657
- Pin Functions (PD6294A)
Pin No. Pin Name
1 VSS
2 X1
3 X0
rst
4
5,6 MODE1,0
7 GRN/amb
8 SO
9 SI
remin
10
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
TSOP1840SB1
GAIN
BPF
CONT.
PD
REGISTER
1
OUT
50
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 output
I Remote control signal input
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
REGULATOR
NOISE AGC
BPF DET.
2
3
GND VCC
*PD6294A
21
40
80
61