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PDF LC897127K Data sheet ( Hoja de datos )
| Número de pieza | LC897127K | |
| Descripción | SCSI CD-ROM Decoder with On-Chip DVD Interface | |
| Fabricantes | Sanyo | |
| Logotipo |  |
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Ordering number : ENN6251
CMOS IC
LC897127K
SCSI CD-ROM Decoder
with On-Chip DVD Interface
Overview
The LC897127K is a CD-ROM decoder that includes an
on-chip DVD interface. Since the LC897127K also
includes an on-chip SCSI interface, it can be used to
implement a SCSI-compatible DVD-ROM drive simply
by combining it with a DVD decoder. It can also operate
as an independent SPC functional unit.
Functions
• CD-ROM ECC function, subcode read function, SCSI
I/F, CAV audio function, DVD I/F
• ATAPI-to-SCSI conversion function, DMA I/F-to-SCSI
conversion function
Features
• Built-in SCSI I/F (Built-in register for SCAM selection)
• 20× speed and transfer speed of 10 Mbytes/s supported
using EDO-DRAM (×16, 70 ns)
• 32× speed and transfer speed of 10 Mbytes/s supported
using EDO-DRAM (16×, 50 ns)
• Up to 4 Mbits of buffer RAM connectable
• CD main channel and C2 flag areas in buffer RAM can
be freely set by user
• Built-in batch transfer function (function for sending CD
main channel, C2 flag, etc. at one time)
• Built-in multi block transfer function (function for
sending several blocks at one time)
• Built-in subcode buffering function and CD text support
• Built-in CAV audio function
• 20 Mbytes/s transfer supported
• Built-in DVD I/F
• Built-in ATAPI I/F-to-SCSI conversion function
• Built-in DMA I/F-to-SCSI conversion function
Package Dimensions
unit: mm
3214-SQFP144
[LC897127K]
22.0
20.0
1.25 0.5
1.25
0.145
108 73
109 72
144 37
1 0.20 36
0.1
1.4
0.5 0.5
SANYO: SQFP144
Any and all SANYO products described or contained herein do not have specifications that can handle
applications that require extremely high levels of reliability, such as life-support systems, aircraft’s
control systems, or other applications whose failure can be reasonably expected to result in serious
physical and/or material damage. Consult with your SANYO representative nearest you before using
any SANYO products described or contained herein in such applications.
SANYO assumes no responsibility for equipment failures that result from using products at values that
exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or other
parameters) listed in products specifications of any and all SANYO products described or contained
herein.
SANYO Electric Co.,Ltd. Semiconductor Company
TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110-8534 JAPAN
N3099TH (OT) No. 6251-1/14
1 page  
LC897127K Pin Functions
When the DVD Interface is Used
Pin No.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
Pin
VSS0
IO2
IO1
IO0
MCK2SEL
C2PO
SDATA
BCK
LRCK
EXCK
WFCK
SBSO
SCOR
DSDATA
DLRCK
DBCK
MCK
VDD
VSS0
RESET
CSCTRL
TEST3
TEST0
TEST1
TEST2
VSS0
XTALCK0
XTAL0
TEST4
DRESP
HDBDIR
DREQ
VSS0
HDB7
HDB6
VSS0
VDD
HDB5
HDB4
HDB3
HDB2
HDB1
HDB0
VSS0
RD
WR
CS
SUA0
SUA1
SUA2
SUA3
SUA4
SUA5
Type
P
B
B
B
I
I
I
I
I
O
I
I
I
O
O
O
O
P
P
I
I
I
I
I
I
P
I
O
I
B
O
B
P
I
I
P
P
I
I
I
I
I
I
P
I
I
I
I
I
I
I
I
I
LC897127K
I INPUT
O OUTPUT
Type
B BIDIRECTION NC NOT CONNECT
P POWER
Function
Buffer RAM data I/O.
These pins have built-in pull-up resistors.
PLL frequency selection. This pin must be connected to VDD.
CD DSP interface
Subcode I/O
Subcode I/O
D/A converter outputs
XTALCLK0 1/1, 1/2, and stop output
IC reset. The IC is reset on a low-level input.
Microcontroller CS low/high
Test pins. These pins must be connected to VSS0 in normal operation.
Crystal oscillator circuit input
Crystal oscillator circuit output
Test pin. This pin must be connected to VSS0 in normal operation.
DVD ECC data latching. A pull-down resistor is built in.
DVD data bus direction output. A pull-down resistor is built in.
DVD ECC data request. A pull-down resistor is built in.
DVD data input
DVD data input
Microcontroller data read signal input
Microcontroller data write signal input
Register chip select input from the microcontroller
Microcontroller register selection signals
Continued on next page.
No. 6251-5/14
5 Page 
LC897127K
LC897127K Pin Functions
When DMA Interface to SCSI Conversion is Used
I INPUT
O OUTPUT
Type
B BIDIRECTION NC NOT CONNECT
P POWER
Pin No.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
Pin
VSS0
IO2
IO1
IO0
MCK2SEL
DMACK
DIOR
DIOW
VDD
DMARQ
VDD
VDD
VDD
MCK
VDD
VSS0
RESET
CSCTRL
TEST3
TEST0
TEST1
TEST2
VSS0
XTALCK0
XTAL0
TEST4
VSS0
VSS0
VSS0
VSS0
IOP7
IOP6
VSS0
VDD
IOP5
IOP4
IOP3
IOP2
IOP1
IOP0
VSS0
RD
WR
CS
SUA0
SUA1
SUA2
SUA3
SUA4
SUA5
Type
P
B
B
B
I
I
I
I
P
O
P
P
P
NC
NC
NC
O
P
P
I
I
I
I
I
I
P
I
O
I
P
P
P
P
I
I
P
P
I
I
I
I
I
I
P
I
I
I
I
I
I
I
I
I
Function
DAM interface data I/O.
These pins have built-in pull-up resistors.
This pin must be connected to VDD.
DMA interface functions
DMA interface functions
XTALCLK0 1/1, 1/2, and stop output
IC reset. The IC is reset on a low-level input.
Microcontroller CS low/high
Test pins. These pins must be connected to VSS0 in normal operation.
Crystal oscillator circuit input
Crystal oscillator circuit output
Test pin. This pin must be connected to VSS0 in normal operation.
General-purpose inputs
These pins have built-in pull-up resistors.
General-purpose inputs
These pins have built-in pull-up resistors.
Microcontroller data read signal input
Microcontroller data write signal input
Register chip select input from the microcontroller
Microcontroller register selection signals
Continued on next page.
No. 6251-11/14
11 Page | ||
| Páginas | Total 14 Páginas | |
| PDF Descargar | [ Datasheet LC897127K.PDF ] | |
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