Sony DVP-S335, Service Manual

Page: 66 / 115

5-1
SECTION 5
IC PIN FUNCTION DESCRIPTION
DVP-S335/S336/S345/S535D/S735D
Pin No.
Pin name
I/O
Function
39
SC1
O
Serial clock output
40
SI2
I
Serial b
us 2 (for data input)
41
SO2
O
Serial b
us 2 (for data output)
42
YUVRGB/CLAPSW1
O
M
ute signal output to video b
uf
fer and EUR
O C/R
select signal output
43
DREQ0
I
Input of DMA-REQ 0 fr
om A
V
DEC
44
D
A
C
K0
O
O
utput of DMA-A
CK 0 to
A
V
DEC
45
IFCS
O
Chip select signal to IF CON
46
DREQ1
I
Input of DMA-REQ 1 fr
om A
V
DEC
47
D
A
C
K1
O
Output of DMA-A
CK 1 to
A
V
DEC
48
EWC
O
W
rite control signal output to EEPR
OM
49
ECS
O
Chip select signal output to EEPR
OM
50
KCS/39CS
O
C
hip select signal output to audio DSP
51
A
URST
O
Reset signal output to audio D
AC
52
VSS
-
Ground
53
X1
O
Clock output (12.5 MHz)
54
X0
I
Clock input (12.5 MHz)
55
VCC
-
P
o
w
er suppl
y
56
CKSW1
I
Chuck sensor input
57
OCSW1
I
T
ray sensor input
58
OCSW2
I
T
ray sensor input
59
D
A
CCS0
O
Chip select signal output to D
A
C
(2c
h)
60
D
A
CCS1
O
Chip select signal output to D
A
C
(6c
h) and DSP
61
48/44.1K
O
PLL FS control signal output
62
MAMUTE
O
Audio mute signal output
63
WIDE
O
W
IDE select signal output
64
C
-
Capacitor (0.1uF) connect between ground
65
CS0X
O
Exter
nal R
O
M c
hip select signal output
66
CS1X
-
Not used
67
CS2X
O
Chip select signal output (f
or A
V
DEC)
68
CS3X
O
Chip select signal output (f
or A
V
DEC)
69
CS4X
O
Chip select signal output (f
or ARP)
70
CS5X
O
Chip select signal output (for FGA)
Pin No.
Pin name
I/O
Function
1-5
HA17-HA21
I/O
Ad
dr
ess b
us
A17-A21
6
HA22
-
Not used
7
GAIN/RGBSEL
O
Color dif
fer
ence signal/RGB signal select signal output
8
D
A
CMUTE/FS
Filter control signal output
9
A
VCC
-
P
o
w
er suppl
y
10
A
VRH
-
Reference po
w
er suppl
y (+3.3
V)
11
A
VSS
-
Ground
12
AN0
I
Set of mode 0
13
AN1
I
Set of mode 1
14
AN2
I
Set of mode 2
15
AN3
I
Set of mode 3
16
XRST
O
System reset signal output
17
OEB
-
Not used
18
CS6
O
Chip select signal f
or ser
v
o
DSP
19
NC
-
N
ot used
20
EUR
O
V/Y
O
EUR
O
V/Y select signal output
21
CLAPSW0/DISCEXT
O
Line input select signal output (DISC:
“H”,
EXT
: “ L”)
22
ARPRST
O
Reset signal output f
or ARP
23
DR
VMUTE
O
Dri
v
e mute signal output
24
VCC
-
P
o
w
er suppl
y
25
INT0
I
Input of inter
rupt fr
om
A
V
DEC
26
INT1
I
Input of inter
rupt fr
om
ARP
27
INT2
I
Input of interrupt from FGA
28
INT3
I
Input of inter
rupt fr
om EEPR
OM
29
INT4
I
Input of interrupt from IF CON
30
CKSW2/O
TASUKE/INT5
I
Input of interrupt from audio DSP
31
CLAPBSY/INT6
I
Input of interrupt from audio DSP
32
INT7
I
Input of inter
rupt fr
om serv
o
DSP
33
SI0
I
Serial da
ta input from IF CON and EEPR
OM
34
VSS
-
Ground
35
SO0
O
Serial da
ta output to IF CON and EEPR
OM
36
SC0
O
Serial cloc
k output to IF CON and EEPR
OM
37
SI1
I
Serial b
us 1 (for data input)
38
SO1
O
Serial b
us 1 (for data output)
5-1.
SYSTEM CONTR
OL PIN FUNCTION (MB-86 BO
ARD IC102)