Pioneer VSX-C301-S Service Manual page 94

1
• Pin Function
No. Port
A
1 VDD1
2 VSS1
3 X1
4 X2
5 IC(VPP)
6 RESET
7 P27/SCK1
8 P26/SI1
9 P25/SO1
10 P24/BUSY
B
11 P23
12 P22
13 P21/SO3
14 P20/SCK3
15 P00/INTP0
16 P01/INTP1
17 P02/T1
18 AVSS
19 ANI3
20 ANI2
C
21 ANI1
22 ANI0
23 VSS0
24 AVDD
25 VDD0
26 P64/FIP52
27 P63/FIP51
28 P62/FIP50
29 P61/FIP49
30 P60/FIP48
D
31 P57/FIP47
32 P56/FIP46
33 P55/FIP45
34 P54/FIP44
35 P53/FIP43
36 P52/FIP42
37 P51/FIP41
38 P50/FIP40
39 P47/FIP39
40 P46/FIP38
E
F
94
1
2
Pin Name I/O
+5V - Positive power supply
GND - Ground potential
Resonator - Crystal connection for system clock oscillation
Resonator - Crystal connection for system clock oscillation
GND -
DISP RESET - Receive reset signal from main u-com
DISP CK I Clock signal from main u-com
DISP DTI I Datain from main u-com
DISP DTO O Data out to main u-com
DISP RDY O Ready signal from main u-com
NC O/L
NC O/L
NC O/L
NC O/L
DISP EN I Enable signal from main u-com
NC I
SR IN I Remote control signal input from main room
GND - Ground potential for A/D converter
NC I
NC I
NC I
KEY IN1 I
GND - Ground potential for ports
'+5V - Analog power voltage input to A/D converter
'+5V - Positive power supply to ports
NC I
FEN A I MULTI JOG(Right)
FEN B I MULTI JOG(Left)
EN B I VOLUME JOG1(-)
EN A I VOLUME JOG1(+)
NC I
TEST I Test mode input for checker
AV DIRECT I
NC O
NC O
1W WUP O Output wakeup signal to main u-com
NC O/L
NC O/L
LED1 O LED output
LED2 O LED output
VSX-C301-S
2
3
Pin Function
3
4
4