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Sony Semiconductor Electronic Components Datasheet

CXD1198AQ Datasheet

CD-ROM Subcode Decoder

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CXD1198AQ pdf
CXD1198AQ
CD-ROM Subcode Decoder
For the availability of this product, please contact the sales office.
Description
The CXD1198AQ is a CD-ROM subcode decoder
100 pin QFP (Plastic)
LSI.
Features
Real time error correction of subcodes
Connection possible with DRAM up to 1 MB as
buffer memory
Automatic generation of sync patterns
Error pointer buffering function (separated mode,
mixed mode)
4 MB/s maximum rate for transferring data with
SCSI control LSI
Applications
CD-ROM drives
Structure
Silicon gate CMOS IC
Absolute Maximum Ratings (Ta=25 °C)
Supply voltage
VCC –0.5 to +7.0 V
Input voltage
VI –0.5 to VDD +0.5 V
Output voltage
VO –0.5 to VDD +0.5 V
Operating temperature Topr –20 to +75 °C
Storage temperature Tstg –55 to +150 °C
Recommended Operating Conditions
Supply voltage
VDD 5.0±0.5
Operating temperature Topr –20 to +75
V
°C
Sony reserves the right to change products and specifications without prior notice. This information does not convey any license by
any implication or otherwise under any patents or other right. Application circuits shown, if any, are typical examples illustrating the
operation of the devices. Sony cannot assume responsibility for any problems arising out of the use of these circuits.
—1—
E92632A78-TE


Sony Semiconductor Electronic Components Datasheet

CXD1198AQ Datasheet

CD-ROM Subcode Decoder

No Preview Available !

CXD1198AQ pdf
Block Diagram
CXD1198AQ
30 27 26
31-39,41
18-25
DMA
Refresh
Control
DMA Controller
(priority resolver, sequencer)
81
DDB0-7
88
DDBP 80
XDAC 75
DDRQ 76
XDWR 89
XDRD 91
XDCA 92
DA0,1
93
94
D Drive
r DMA
i Control
v
e
I
Pointer
S/P
Pointer
DMA
Control
n
t
e
r
f
Sync.
a Pattern
c
e
C
o
n
t
r
o
l
XDRS 77
WFCK 45
SCOR 44
SBSO 43
EXCK 42
Error
Corrector
Subcode
Interface S/P
Control
RAM
Subcode
DMA
Control
De-Interleave
CPU Interface, DMA Control
HOST
DMA
Control
FIFO
(10bytes x 2)
H
O
S
T
I
n
t
e
r
f
a
c
e
C
o
n
t
r
o
l
52 HMDS
71 HINT
72 HINP
55
HBD0-7
62
67
XHAC/
SDRQ
66 HDRQ/
XSAC
64 XHWR
63 XHRD
68 XHCS
69
70
HA0,1
50 XSRS
51 XHRS
48 HCLK
1/2
Internal
Clock
Reset
Control
46 XTL2
47 XTL1
16 17 13 11 12 95-100 1,2,5-10
14 49
—2—


Part Number CXD1198AQ
Description CD-ROM Subcode Decoder
Maker Sony Corporation
Total Page 30 Pages
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CXD1198AQ pdf
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