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Register Summary A-5
SCSI Interrupt Enable Zero (SIEN0) 0x40 Read/Write 4-73
SCSI Interrupt Status One (SIST1) 0x43 Read Only 4-78
SCSI Interrupt Status Zero (SIST0) 0x42 Read Only 4-76
SCSI Longitudinal Parity (SLPAR) 0x44 Read/Write 4-79
SCSI Output Control Latch (SOCL) 0x09 Read/Write 4-37
SCSI Output Data Latch (SODL) 0x54–0x55 Read/Write 4-94
SCSI Selector ID (SSID) 0x0A Read Only 4-38
SCSI Status One (SSTAT1) 0x0E Read Only 4-43
SCSI Status Two (SSTAT2) 0x0F Read Only 4-46
SCSI Status Zero (SSTAT0) 0x0D Read Only 4-42
SCSI Test Four (STEST4) 0x52 Read Only 4-94
SCSI Test One (STEST1) 0x4D Read/Write 4-88
SCSI Test Three (STEST3) 0x4F Read/Write 4-91
SCSI Test Two (STEST2) 0x4E Read/Write 4-89
SCSI Test Zero (STEST0) 0x4C Read Only 4-87
SCSI Timer One (STIME1) 0x49 Read/Write 4-85
SCSI Timer Zero (STIME0) 0x48 Read/Write 4-83
SCSI Transfer (SXFER) 0x05 Read/Write 4-31
SCSI Wide Residue (SWIDE) 0x45 Read/Write 4-81
Static Block Move Selector (SBMS) 0xB0–0xB3 Read/Write 4-102
Temporary (TEMP) 0x1C–0x1F Read/Write 4-57
Updated Address (UA) 0xCC–0xCF Read/Write 4-105
Table A.2 LSI53C875A SCSI Register Map (Cont.)
Register Name Address Read/Write Page