Avago Technologies LSI53C1030 - Manual (Page 32)

2-2 Functional Description
Version 2.2 Copyright © 2001, 2002, 2003 by LSI Logic Corporation. All rights reserved.
2.1 Block Diagram Description
The LSI53C1030 consists of three major modules: a host interface
module and two independent Ultra320 SCSI channel modules. The
modules consist of the following components:
•
Host Interface Module
– Up to a 64-bit, 133 MHz PCI/PCI-X Interface
– System Interface
– I/O Processor (IOP)
– DMA Arbiter and Router
– Shared RAM
– External Memory Interface
◊
Flash ROM Memory Controller
◊
NVSRAM
– Timer and Configuration Control
◊
Device Configuration Controller
◊
Serial EEPROM Interface Controller
◊
GPIO Interface
◊
Chip Timer
•
Two independent Ultra320 SCSI Channel Modules
– Datapath Engine
– Context Manager
– Ultra320 SCSI Core
Figure 2.1 illustrates the relationship between these modules.