MB86604 데이터 시트보기 (PDF) - Fujitsu

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MB86604

CMOS SCSI-II Protocol Controller (with single-ended driver/receiver)

Fujitsu 

MB86604L

s BLOCK DIAGRAM

D15 to D8, UDP

TMOUT INT D7 to D0, LDP WR RD CS0 CS1 A4 to A0 BHE MODE

MSG

C/D

I/O

ATN

BSY

SEL

RST

REQ

ACK

DB7 to DB0

DBP

Internal

processor

MPU interface

Registers

Timer

Phase

controller

Transfer

controller

Receive MCS buffer

(32 bytes)

Send MCS buffer

(32 bytes)

Command user

program memory

(256 bytes)

Data register

(32 bytes)

DREQ

DACK

DMBHE

DMA0

DMD15

to DMD8

UDMDP

DMD7

to DMD0

LDMDP

IOWR

IORD

TP

8

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