Figure5.1 register address map, Register address map, Scsi control zero (scntl0) – LSI 53C810A User Manual

Page 76

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5-2

Operating Registers

Figure 5.1

Register Address Map

Register: 0x00 (0x80)

SCSI Control Zero (SCNTL0)
Read/Write

31

16 15

0

Mem I/O

Config

SCNTL3

SCNTL2

SCNTL1

SCNTL0

0x00

0x80

GPREG

SDID

SXFER

SCID

0x04

0x84

SBCL

SSID

SOCL

SFBR

0x08

0x88

SSTAT2

SSTAT1

SSTAT0

DSTAT

0x0C

0x8C

DSA

0x10

0x90

Reserved

ISTAT

0x14

0x94

CTEST3

CTEST2

CTEST1

Reserved

0x18

0x98

TEMP

0x1C

0x9C

CTEST6

CTEST5

CTEST4

DFIFO

0x20

0xA0

DCMD

DBC

0x24

0xA4

DNAD

0x28

0xA8

DSP

0x2C

0xAC

DSPS

0x30

0xB0

SCRATCH A

0x34

0xB4

DCNTL

SBR

DIEN

DMODE

0x38

0xB8

ADDER

0x3C

0xBC

SIST1

SIST0

SIEN1

SIEN0

0x40

0xC0

GPCNTL

MACNTL

Reserved

SLPAR

0x44

0xC4

Reserved

RESPID

STIME1

STIME0

0x48

0xC8

STEST3

STEST2

STEST1

STEST0

0x4C

0xCC

Reserved

SIDL

0x50

0xD0

Reserved

SODL

0x54

0xD4

Reserved

SBDL

0x58

0xD8

SCRATCH B

0x5C

0xDC

7

6

5

4

3

2

1

0

ARB[1:0]

START

WATN

EPC

R

AAP

TRG

1

1

0

0

0

x

0

0

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