LSI 53C810A User Manual

LSI

A-2

Register Summary

lists the LSI53C810A SCSI registers by register name.

Table A.2

SCSI Registers

Register Name

Address

Read/Write

Page

Adder Sum Output (ADDER)

0x3C–0x3F (0xBC–0xBF)

Chip Test Five (CTEST5)

Chip Test Four (CTEST4)

Chip Test One (CTEST1)

Chip Test Six (CTEST6)

Chip Test Three (CTEST3)

Chip Test Two (CTEST2)

Chip Test Zero (CTEST0)

Data Structure Address (DSA)

0x10–0x13 (0x90–0x93)

DMA Byte Counter (DBC)

0x24–0x26 (0xA4–0xA6)

DMA Command (DCMD)

DMA Control (DCNTL)

DMA FIFO (DFIFO)

DMA Interrupt Enable (DIEN)

DMA Mode (DMODE)

DMA Next Address (DNAD)

0x28–0x2B (0xA8–0xAB)

DMA SCRIPTS Pointer (DSP)

0x2C–0x2F (0xAC–0xAF)

DMA SCRIPTS Pointer Save (DSPS)

0x30–0x33 (0xB0–0xB3)

DMA Status (DSTAT)

General Purpose (GPREG)

General Purpose Pin Control (GPCNTL)

Interrupt Status (ISTAT)

Memory Access Control (MACNTL)

Response ID (RESPID)