LC897127K 查看數據表（PDF） - SANYO -> Panasonic

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LC897127K

SCSI CD-ROM Decoder with On-Chip DVD Interface

SANYO -> Panasonic 

Block Diagram

LC897127K

*10

DVD DSP

Data bus[0:7]

LC897127K

RAM

Data bus[0:15] Address bus[0:21]

DVD DSP I/F

Address generator

CD-DSP

*1

EXCK

Sub-code I/F

de-interleve

Address generator

*2

CD-DSP I/F

& SYNC

Detector

De-scramble &

Buffering

Address generator

HOST

*3

*4

Micro

controller

INT0, 1

*5

*6

SWAIT

XTALCK

XTAL

MCK

Each Block

Register

decoder

Clock

generator

&

PLL

Each Block

ECC & EDC

Address generator

SCSI I/F

Block

Data output input I/F

Address generator

Microcontroller

RAM access

Address generator

CAV-Audio control

Address generator

Each Block

Bus control

signal

Bus

Arbiter

&

*7

RAM

controller

*8

&

IF

controller

*9

DRAM

or

ATAPI

I/F IC

or

DMA

I/F IC

DAC

*1. WFCK, SBSO, SCOR

*2. BCK, SDATA, LRCK, C2PO

*3. DB0 to DB7, DBP, BSY, MSG, SEL, RST, REQ, I/O, C/D

*4. ACK, ATN

*5. RD, WR, SUA0 to SUA6, CS, CSCTRL

*6. D0 to D7

*7. IO0 to IO15 (Data bus for both ATAPI and DMA interfaces)

*8. RA0 to RA10, RAS1, RAS0, OE, UWE, LWE

ATAPI interface: SBSO (DMARQ), DBCK (DMACK), DLRCK (DIOR), DSDATA (DIOW)

DMA interface: EXCK (DMARQ), C2PO (DMACK), SDATA (DIOR), BCK (DIOW)

*9. DBCK, DLRCK, DSDATA

*10. HDB7 to HDB0, DRESP, DREQ

See the circuit examples for details on ATAPI and DMA interface IC

connection.

A12551

No. 6251-4/14

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