Sony DVP-S7700, Service Manual, Page: 78 / 129

5-1
SECTION 5
IC PIN FUNCTION DESCRIPTION
DVP-S7700
40, 41
AD2, 3
I
Input of
AD
42
GND
–
GND
43-46
AD4-7
I
Input of
AD
47
S
D
A
–
Not used
48
SCL
–
Not used
49-51
GND
–
GND
52
HSTX
–
Not used
53
REF
V
I
Input of
V
SYNC
54
IFCS
I
Input of SH interrupt signal
55
ST
-BY
CONT
I
Input of ST
-BY
control signal
56
INT3
–
Not used
57
CW
–
Not used
58
CCW
–
Not used
59
IR
I
Input of SIRCS
60
A1 IN
–
Not used
61
A1 OUT
–
Not used
62
DOT
I
–
Not
used
63
AC-3 OUT
–
Not
used
64
ST
A
TUS
–
Not used
65-70
MODEL0-5
I/O
Model select1-6
71
1C
–
Not used
72
1D
–
Not used
73, 74
MIC IN 1, 2
–
Not used
75, 76
SW2, 3
–
Not used
77
RESET IN
I
EXT RESET request
78-80
RCODE0
I/O
REGION set1-3
81
GND
–
GND
82
X OUT
O
Output of X’
tal(4MHz)
83
X IN
I
Input of X’
tal(4MHz)
84
EVER
5V
–
Analog power supply
85-92
AD0-7
I/O
Address and data set
93-100
A8-15
I/O
Set address
5-1.
INTERF
A
CE CONTR
OL PIN FUNCTION (IC604 on MB-84 Boar
d (10/14))
Pin No.
Pin Name
I/O
Function
Pin No.
Pin Name
I/O
Function
1-4
A16-19
I/O
Set Address
5, 6
TIN0, 1
–
Not used
7, 8
T
OT0,
1
–
Not used
9
ALE
O
Output of address latch inable signal
10
OE
O
Output of output inable signal
11
GND
–
GND
12
WRL
O
Output of write inable signal
13
WRH
–
Not used
14
HRQ
–
Not used
15
HAK
–
Not used
16
INTMS
I
Input of ready signal
17
CLK
–
Not used
18
RX
I
Input of serialbus0
19
TX
O
Output of serialbus0
20
SCK
I/O
Serialbus0
21
SI
–
Not used
22
SO
O
Output of serialbus1
23
EVER
5V
–
Digital power supply
24
SCLK
I/O
Serialbus1
25
BZ
O
Output of buzzer
26
AUDIO MUTE
O
Output of audio mute signal
27
VIDEO MUTE
O
Output of video mute signal
28
CGCS
O
Output of charactor generator chipselect
29
FL2CS
–
Not used
30
FLCS
O
Output of FLCS
31
RESET
O
RESET
32
PPG6
I
Input DIAG
33
P
.CONT
O
Output of POWER CONT
signal
34,
35
EVER
5V
–
Analog power supply
36, 37
GND
–
GND
38
MIC CONT
–
Not used
39
ECHO CONT
–
Not used