Pioneer DV-646A, Service Manual

Page: 99 / 105

99
DV-646A
PE5251A (FLIR ASSY : IC101)
• Mode Control IC
•
Pin Function
No. Pin Name I/O Pin Function
1 VDD1
−
Positive power supply (excepting port, analog and FIP controller/driver section)
2 VSS1
−
Ground (excepting port and analog)
3 X1 I
Connect a crystal for main system clock oscillation
4 X2
−
5 IC
−
Internal connection Connect to Vss1 directly.
6
RESET
I System reset input
7
P27/SCK1
I/O Port 2 8 bit input/output port / serial clock input/output
8 P26/SI1
I/O
I
Port 2 8 bit input/output port / Serial data input
9 P25/SO1
I/O
O
Port 2 8 bit input/output port / Serial data output
10 P24/BUSY
I/O
I
Port 2 8 bit input/output port / Busy signal input
11 P23
I/O Port 2 8 bit input/output port
12 P22
13 P21/SO3
I/O
O
Port 2 8 bit input/output port / Serial data output
14
P20/SCK3
I/O Port 2 8 bit input/output port / serial clock input/output
15 P00/INTP0
I/O I Port 0 3 bit input/output port / External interrupt request input
16 P01/INTP1
17 P02/TI I/O I Port 0 3 bit input/output port / Timer input of 8 bit remote control timer (TM9)
18 AVSS
−
Ground of A/D converter
19 ANI3
I Analog input of A/D converter
20 ANI2
21 ANI1
22 ANI0
23 VSS0
−
Ground of port section
24 AVDD
−
Analog power supply of A/D converter / reference voltage input
25 VDD0
−
Positive power supply of port section
26 P64
I/O Port 6 5-bit high proof pressure input/output ports of P-ch open drain
27 P63
28 P62
29 P61
30 P60
31 P57
I/O Port 5 8-bit high proof pressure input/output ports of P-ch open drain
32 P56
33 P55
34 P54
35 P53
36 P52
37 P51
38 P50
39 P47
O Port 4 8-bit high proof pressure input/output ports of P-ch open drain
40 P46