
xii Contents
Tables
2.1 External Memory Support 2-7
2.2 Bits Used for Parity Control and Generation 2-13
2.3 SCSI Parity Control 2-14
2.4 SCSI Parity Errors and Interrupts 2-15
2.5 Differential Mode 2-20
3.1 PCI Bus Commands and Encoding Types 3-3
3.2 PCI Configuration Register Map 3-12
4.1 LSI53C875, LSI53C875J, LSI53C875E, and LSI53C875JE
Power and Ground Signals 4-7
4.2 LSI53C875N Power and Ground Signals 4-7
4.3 LSI53C875JB and LSI53C875JBE Power and
Ground Signals 4-8
4.4 System Signals 4-10
4.5 Address and Data Signals 4-11
4.6 Interface Control Signals 4-12
4.7 Arbitration Signals 4-13
4.8 Error Reporting Signals 4-14
4.9 SCSI SIgnals 4-15
4.10 Additional Interface Signals 4-18
4.11 External Memory Interface Signals 4-21
4.12 JTAG Signals (LSI53C875J/LSI53C875N/LSI53C875JB
Only) 4-22
4.13 Subsystem Data Configuration Table for the LSI53C875E
(PCI Rev ID 0x26) 4-23
4.14 Subsystem Data Configuration Table for the LSI53C875
(PCI Rev ID 0x04), Revision G Only 4-23
4.15 External Memory Support 4-24
5.1 LSI53C875 Register Map 5-2
5.2 Examples of Synchronous Transfer Periods for SCSI-1
Transfer Rates 5-16
5.3 Example Transfer Periods for Fast SCSI-2 and Ultra SCSI
Transfer Rates 5-17
5.4 Maximum Synchronous Offset 5-18
5.5 SCSI Synchronous Data FIFO Word Count 5-28
6.1 SCRIPTS Instructions 6-2
6.2 Read/Write Instructions 6-24
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