LSI53C875 LSI Logic, LSI53C875 Datasheet - Page 288

• Manufacturer Part Number: LSI53C875
• Description: PCI to Ultra SCSI I/O Processor
• Manufacturer: LSI Logic

Table 7.21
Figure 7.32 Initiator Asynchronous Receive
SD[15:0]/,
Table 7.22
7-52
SDP[1:0]/
SREQ/
Symbol
SACK/
Symbol
t
t
t
t
t
t
t
t
1
2
3
4
1
2
3
4
Parameter
SACK/ asserted from SREQ/ asserted
SACK/ deasserted from SREQ/ deasserted
Data setup to SREQ/ asserted
Data hold from SACK/ asserted
Parameter
SREQ/ deasserted from SACK/ asserted
SREQ/ asserted from SACK/ deasserted
Data setup to SREQ/ asserted
Data hold from SACK/ asserted
Initiator Asynchronous Receive
Target Asynchronous Send
Figure 7.33 Target Asynchronous Send
SD[15:0]/,
Instruction Set of the I/O Processor
t
SDP[1:0]/
3
SREQ/
SACK/
Valid n
n
t
1
n
t
t
4
3
n
Valid n
t
1
n
t
2
t
4
t
Min
Min
2
55
20
5
5
0
0
5
5
Valid n + 1
Valid n + 1
n + 1
n + 1
Max
Max
n + 1
–
–
–
–
–
–
–
–
n + 1
Unit
Unit
ns
ns
ns
ns
ns
ns
ns
ns