Figure2.1 lsi53c876 block diagram, Lsi53c876 block diagram, Figure 2.1 – Avago Technologies LSI53C876E User Manual
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2-2
Functional Description
Figure 2.1
LSI53C876 Block Diagram
4 Kbyte
SCRIPTS RAM
8 Dword SCRIPTS
Prefetch Buffer
Oper
ating
Registers
SCSI SCRIPTS
Processor
536 Byte
DMA FIFO
SCSI FIFO and SCSI Control Block
TolerANT
Drivers and Receivers
PCI Master and Slave Control Block, PCI Configuration Registers (2 sets), and SCSI Function Arbitration
Wide Ultra SCSI Controller
Ser
ial EEPR
OM Controller
and A
utoconfigur
ation
R
OM/Flash Memor
y Control
Local
Bus
Memory
4 Kbyte
SCRIPTS RAM
8 Dword SCRIPTS
Prefetch Buffer
SCSI SCRIPTS
Processor
536 Byte
DMA FIFO
SCSI FIFO and SCSI Control Block
TolerANT
Drivers and Receivers
Wide Ultra SCSI Controller
Oper
ating
Registers
PCI Bus
SCSI Function B
Wide Ultra
SCSI Bus
SCSI Function A
Wide Ultra
SCSI Bus
ROM/Flash
Memory
Bus
2-Wire Serial
EEPROM Bus
2-Wire Serial
EEPROM Bus