LSI53C825AJ LSI, LSI53C825AJ Datasheet - Page 126

• Manufacturer Part Number: LSI53C825AJ
• Manufacturer: LSI

Specifications of LSI53C825AJ

• Lead Free Status / RoHS Status: Not Compliant

4-38
Register: 0x09 (0x89)
SCSI Output Control Latch (SOCL)
Read/Write
REQ
ACK
BSY
SEL
ATN
MSG
C/D
I/O
This register is used primarily for diagnostic testing or programmed I/O
operation. It is controlled by the SCRIPTS processor when executing
SCSI SCRIPTS.
transferring data using programmed I/O. Some bits are set or cleared
when executing SCSI SCRIPTS. Do not write to the register once the
LSI53C825A starts executing normal SCSI SCRIPTS.
Registers
REQ
7
0
ACK
6
0
Assert SCSI REQ/ Signal
Assert SCSI ACK/ Signal
Assert SCSI BSY/ Signal
Assert SCSI SEL/ Signal
Assert SCSI ATN/ Signal
Assert SCSI MSG/ Signal
Assert SCSI C_D/ Signal
Assert SCSI I_O/ Signal
SCSI Output Control Latch (SOCL)
BSY
5
0
SEL
4
0
ATN
3
0
MSG
2
0
is used only when
C/D
1
0
I/O
0
0
7
6
5
4
3
2
1
0