LSI53C040-160QFP LSI, LSI53C040-160QFP Datasheet - Page 28

• Manufacturer Part Number: LSI53C040-160QFP
• Manufacturer: LSI

Specifications of LSI53C040-160QFP

• Mounting: Surface Mount
• Lead Free Status / RoHS Status: Supplier Unconfirmed

2-10
Figure 2.5
Functional Description
Target Receive Only
Target Receive
(0xFC03 Bits [2:0]
Set Info. Transfer
Target Send Only
Target Send Only
Phase
(Reg. 0xFC01, Bit 0)
Output Data Reg.
Set Assert Data
(0xFC05, Bit 0)
SCSI Data Reg.
Read Data from
(0xFC03, Bit 3)
(0xFC03, Bit 3)
(Reg. 0xFC00)
(Reg. 0xFC00)
Write Data to
Reset Assert
Set Transfer
Programmed I/O Target Transfers
Counter in
Set Assert
REQ/ Bit
REQ/ Bit
Memory
Active?
Bus Bit
ACK/
A
Yes
(0xFC03 Bits [2:0]
Set Info. Transfer
Target Send
Phase
No
No
Go to Next Phase
Transfer Counter
(0xFC05, Bit 0)
Equal Zero
Decrement
In Memory
Inactive?
Transfer
Counter
ACK/
A
?
Yes
Yes
No