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1-2 General Description
Figure 1.1 Typical LSI53C875A System Application
Figure 1.2 Typical LSI53C875A Board Application
PCI Bus
Interface
Controller
LSI53C875A
PCItoWideUltra
SCSI Controller
PCI Graphic Accelerator
PCI Fast Ethernet
Memory
Controller
Memory
Fixed Disk, Optical Disk
Printer, Tape, and Other
Peripherals
Central
Processing
Unit
(CPU)
PCI Bus
Processor Bus
Typi cal PCI
Computer System
Architecture
SCSI Bus
68 Pin
SCSI
Wide
Connector
LSI53C875A
32 Bit PCI to
SCSI Controller
Memory Control
Block
Flash EEPROM
Serial EEPROM
PCI Interface
PCI Address, Data, Parity and Control Signals
SCSI Data,
Parity and
Control
Signals
Memory
Address/Data
Bus
GPIO[1:0]