Sanyo NV-E7500 - Navigation System With DVD Player Service Manual page 18
Portable dvd navigation system
Hide thumbs
Also See for NV-E7500 - Navigation System With DVD Player:
- Schematic diagrams (36 pages)
Table of Contents
Advertisement
EXPLANATION OF MICROCOMPUTER
IC 20 (HD6417706) 1/3
Pin
Signal
1
LLVcc
2
XTAL2
3
EXTAL2
4
GND
5
SD31
10
SD26
11
GND
12
SD25
13
LVcc
14
SD24
18
SD20
19
GND
20
SD19
21
LLVcc
22
SD18
23
SD17
24
SD16
25
GND
26
SD15
27
LVcc
28
SD14
36
SD6
37
GND
38
SD5
39
LVcc
40
SD4
44
SD0
45
SA0
48
SA3
49
GND
50
SA4
51
LVcc
52
SA5
60
SA13
61
GND
62
SA14
63
LVcc
64
SA15
70
SA21
71
GND
72
SA22
73
LVcc
74
SA23
75
SA24
76
SA25
77
/BS
78
/RD
79
/WE0
80
/WE1
81
/WE2
82
/WE3
83
RD/WR
84
GND
85
/CS0
86
LVcc
87
/CS2
88
/CS3
89
/CS4
90
/CS5
I/O
POWER +1.9V
O
NC
I
Pull-up
GND
I/O
Data bus
GND
I/O
Data bus
POWER
+3.3V
I/O
Data bus
GND
I/O
Data bus
POWER
+1.9V
I/O
Data bus
I/O
Data bus
I/O
Data bus
GND
I/O
Data bus
POWER
+3.3V
I/O
Data bus
GND
I/O
Data bus
POWER
+3.3V
I/O
Data bus
O
Address bus
GND
I/O
Address bus
POWER
+3.3V
I/O
Address bus
GND
I/O
Address bus
POWER
+3.3V
I/O
Address bus
GND
I/O
Address bus
POWER
+3.3V
I/O
Address bus
I/O
Address bus
I/O
Address bus
O
NC
O
Read strobe
O
D7-D0 select signal
O
D15-D8 select signal
O
D23-D16 select signal
O
D31-D24 select signal
O
Read/write select signal
GND
O
Chip select
POWER
+3.3v
O
NC
O
Chip select 3
O
Chip select 4
O
Chip select 5
Function
_
_
17
Advertisement
Table of Contents
