Z53C80SCSI ZILOG [Zilog, Inc.], Z53C80SCSI Datasheet - Page 21

• Manufacturer Part Number: Z53C80SCSI
• Description: SMALL COMPUTER SYSTEM INTERFACE (SCSI)
• Manufacturer: ZILOG [Zilog, Inc.]

PS97SCC0200
Z
Address: 3
Address: 4
Address: 2
ILOG
D7 D6 D5 D4 D3 D2 D1 D0
D7 D6 D5 D4 D3 D2 D1 D0
D7 D6 D5 D4 D3 D2 D1 D0
Figure 38. Target Command Register
Figure 39. Select Enable Register
Figure 37. Mode Register
(Write Only)
(Write Only)
(Write Only)
Assert I//O
Assert C//D
Assert /MSG
Assert /REQ
"X"
Last Byte Sent
/DB0
/DB1
/DB2
/DB3
/DB4
/DB5
/DB6
/DB7
Arbitrate
DMA Mode
Monitor /BSY
Enable /EOP Interrupt
Enable Parity Interrupt
Enable Parity Checking
Target Mode
"0"
Address: 5
Address: 6
Address: 7
D7 D6 D5 D4 D3 D2 D1 D0
D7 D6 D5 D4 D3 D2 D1 D0
D7 D6 D5 D4 D3 D2 D1 D0
Figure 42. Start DMA Initiator Receive
Figure 41. Start DMA Target Receive
Figure 40. Start DMA Send
(Write Only)
(Write Only)
(Write Only)
"X"
"X"
"X"
Z53C80 SCSI
21