LSI53C875 LSI Logic, LSI53C875 Datasheet - Page 235

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

6.7.2 Second Dword
R
RA[6:0]
R
BC
Load and Store Instructions
Note:
It is not possible to Load the
(SFBR)
contents to another location.
Reserved
Register Address
A[6:0] selects the register to Load and Store to/from
within the LSI53C875.
Reserved
Byte Count
This value is the number of bytes to Load and Store.
Memory/IO Address/DSA Offset
This is the actual memory location of where to Load and
Store, or the offset from the
(DSA)
Figure 6.7
format.
register, although it is possible to store the SFBR
register value.
illustrates the Load and Store Instruction
SCSI First Byte Received
Data Structure Address
[22:16]
[15:3]
[31:0]
[2:0]
6-39
23