Logic PCI To Ultra SCSI Controller Technical Manual

LSI53C875A PCI to Ultra SCSI Controller 2-1
Chapter 2
Functional Description
Chapter 2 is divided into the following sections:
• Section 2.1, “PCI Functional Description”
• Section 2.2, “SCSI Functional Description”
• Section 2.3, “Parallel ROM Interface”
• Section 2.4, “Serial EEPROM Interface”
• Section 2.5, “Power Management”
The LSI53C875A PCI to Ultra SCSI Controller is composed of the
following modules:
• 32-bit PCI Interface with 64-bit addressing
• PCI-to-Wide Ultra SCSI Controller
• ROM/Flash Memory Controller
• Serial EEPROM Controller
Figure 2.1 illustrates the relationship between these modules.