Avago Technologies LSI53C825AE User Manual

Page 285

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Register Summary

A-3

DMA Interrupt Enable (DIEN)

0x39 (0xB9)

Read/Write

4-68

DMA Mode (DMODE)

0x3B (0xBB)

Read/Write

4-65

DMA Next Address (DNAD)

0x28–0x2B (0xA8–0xAB)

Read/Write

4-63

DMA SCRIPTS Pointer (DSP)

0x2C–0x2F (0xAC–0xAF)

Read/Write

4-64

DMA SCRIPTS Pointer Save (DSPS)

0x30–0x33 (0xB0–0xB3)

Read/Write

4-64

DMA Status (DSTAT)

0x0C (0x8C)

Read Only

4-40

General Purpose (GPREG)

0x07 (0x87)

Read/Write

4-35

General Purpose Pin Control (GPCNTL)

0x47 (0xC7)

Read/Write

4-81

Interrupt Status (ISTAT)

0x14 (0x94)

Read/Write

4-48

Memory Access Control (MACNTL)

0x46 (0xC6)

Read/Write

4-80

Response ID One (RESPID1)

0x4B (0xCB)

Read/Write

4-86

Response ID Zero (RESPID0)

0x4A (0xCA)

Read/Write

4-86

Scratch Byte Register (SBR)

0x3A (0xBA)

Read/Write

4-69

Scratch Register A (SCRATCHA)

0x34–0x37 (0xB4–0xB7)

Read/Write

4-65

Scratch Register B (SCRATCHB)

0x5C–0x5F (0xDC–0xDF)

Read/Write

4-95

Scratch Registers C–J (SCRATCHC–SCRATCHJ) 0x60–0x7F (0xE0–0xFF)

Read/Write

4-95

SCSI Bus Control Lines (SBCL)

0x0B (0x8B)

Read Only

4-39

SCSI Bus Data Lines (SBDL)

0x58–0x59 (0xD8–0xD9)

Read Only

4-94

SCSI Chip ID (SCID)

0x04 (0x84)

Read/Write

4-30

SCSI Control One (SCNTL1)

0x01 (0x81)

Read/Write

4-23

SCSI Control Three (SCNTL3)

0x03 (0x83)

Read/Write

4-28

SCSI Control Two (SCNTL2)

0x02 (0x82)

Read/Write

4-26

SCSI Control Zero (SCNTL0)

0x00 (0x80)

Read/Write

4-20

SCSI Destination ID (SDID)

0x06 (0x86)

Read/Write

4-35

SCSI First Byte Received (SFBR)

0x08 (0x88)

Read/Write

4-37

Table A.2

LSI53C825A Register Map (Cont.)

Register Name

Address

Read/Write

Page

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