Z5380 Datasheet, PDF (2/37 Pages) Zilog, Inc. – SMALL COMPUTER SYSTEM INTERFACE (SCSI)

ZILOG
GENERAL DESCRIPTION (Continued)
/DB7-/DB0,
/DBP
/ACK
/ATN /BSY /MSG I//O
Z5380 SCSI
C//D /REQ /RST /SEL
48 mA SCSI Transceivers
/IOR
/IOW
/CS
/RESET
A2-A0
D7-D0
CPU BUS
Interface
Interface
Control
Logic
DMA
Logic
Data
Input
Register
Interrupt
Logic
Data
Output
Register
Control
Registers
Figure 1. Z5380 Block Diagram
D7-D0
A2-A0
/IOR
/IOW
/CS
/RESET
/DACK
/EOP
DRQ
READY
IRQ
GND
Z5380
/DB7-DB0, /DBP
/ACK
/ATN
/BSY
/MSG
I//O
C//D
/REQ
/RST
/SEL
VDD
Figure 2. Logic Symbol
2
PS009101-0201
PS97SCC0100