Appendix A Register Summary; A.1 Register Summary By Description - LSI Symbios SYM53C040 Technical Manual

Table A.1 Register Summary by Description
Description
Bus and Status (BSR)
Clock (ES0, ES1, ES2 = 010)
Control Register Reads (ES0 = 0)
Control Register Writes
Current SCSI Bus Status (CSBS)
Current SCSI Data (CSD)
Current SCSI Data High (CSDHI)
Data (ES0, ES1, ES2 = 100)
DMA Interrupt (DMAI)
DMA Send (DSR)
DMA Source/Destination High (DSDH)
DMA Source/Destination Low (DSDL)
DMA Status (DS)
DMA Transfer Length (DTL)
Initiator Command (ICR)
Interrupt Destination (IDR)
Interrupt Mask (IMR)
Interrupt Status (ISR)
LED Blink Rate (LBR)
Appendix A
Register Summary
Symbios SYM53C040 Enclosure Services Processor Technical Manual
Address R/W
0xFC05 Read Only
0xFD00/0xFD02 Read/Write
0xFD01/0xFD03 Read Only
0xFD01/0xFD03 Write Only
0xFC04 Read Only
0xFC00 Read Only
0xFC08 Read Only
0xFD00/0xFD02 Read/Write
0xFC14 Read/Write
0xFC05 Write Only
0xFC13 Read/Write
0xFC12 Read/Write
0xFC10 Read/Write
0xFC11 Read/Write
0xFC01 Read/Write
0xFE0E Read/Write
0xFE0D Read/Write
0xFE04 Read/Write
0xFF04 Read/Write
Page #
4-10
6-3
6-6
6-5
4-9
4-3
4-13
6-4
4-17
4-12
4-16
4-16
4-14
4-15
4-4
7-15
7-13
7-7
8-6
A-1