LSI 53C810A User Manual
5-2
Operating Registers
Figure 5.1
Register Address Map
Register: 0x00 (0x80)
SCSI Control Zero (SCNTL0)
Read/Write
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