Sharp XL-30V Service Manual page 59

Video cd micro system
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IC14V VHiES3883F/-1 :Video CD Encoder (ES3883F)
81
DSC_D7
HSYN_B
82
DSC_D6
83
VSYN_B
84
85
DSC_D5
YUV7
86
YUV6
87
YUV5
88
89
YUV4
VCC
90
VSS
91
92
YUV3
DSC_D4
93
YUV2
94
DSC_D3
95
96
YUV1
DSC_D2
97
YUV0
98
DSC_D1
99
100
VSS
IC16V RH-iX0025SJZZ: D-RAM 256Kx16 (IX0025SJ)
Pin No.
Port Name
1
VCC
2-5
DQ1-DQ4
6
VCC
7-10
DQ5-DQ8
11*,12* NC
13
WE
14
RAS
15*
NC
16-19
A0-A3
20
VCC
21
VSS
22-26
A4-A8
27
OE
28
UCAS
29
LCAS
30*
NC
31-34
DQ9-DQ12
35
VSS
36-39
DQ13-DQ16
40
VSS
In this unit, the terminal with asterisk mark (*) is (open)
terminal which is not connected to the outside.
Figure 59-1 BLOCK DIAGRAM OF IC
Function
Power (5V)
Data input/data output
Power (5V)
Data input/data output
Not used
Write enable
Low address strobe
Not used
Address input
Power (5V)
Ground
Address input
Output enable
Upper column address strobe
Lower column address strobe
Not used
Data input/data output
Ground
Data input/data output
Ground
IC14V
ES3883F
Vcc
DQ1
DQ2
DQ3
DQ4
Vcc
DQ5
DQ6
DQ7
DQ8
NC
NC
WE
RAS
NC
A0
A1
A2
A3
Vcc
Figure 59-2 BLOCK DIAGRAM OF IC
– 59 –
50
49
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
XL-30V
MIC2
MIC1
AOL +
AOL -
AOR -
AOR +
VCCAA
VREFP
VCM
VSSAA
AUX15/IR
AUX14/SOS1
AUX13/SP
RBCK/SER_IN
AUX12/C2PO
AUX11/RQ
AUX10/SQCK
RSD/SEL_PLL0
VCC
VSS
40
Vcc
39
DQ16
38
DQ15
37
DQ14
36
DQ13
35
Vss
34
DQ12
33
DQ11
32
DQ10
DQ9
31
NC
30
LCAS
29
28
UCAS
27
OE
26
A8
25
A7
24
A6
23
A5
22
A4
21
Vss

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