Avago Technologies LSI53C1010 - Manual (Page 56)

3-16 The SCSI SCRIPTS Processor Instruction Set
CLEAR ATN and TARGET
CLEAR ATN and CARRY
CLEAR TARGET and CARRY
CLEAR ACK and ATN and TARGET
CLEAR ACK and ATN and CARRY
CLEAR ACK and ATN and TARGET and CARRY
3.2.4 DISCONNECT
Supported by All LSI Logic SCSI SCRIPTS Processors.
Definition Perform disconnect.
Operands This command has the following operands:
None.
Example DISCONNECT
Field(s) This command has the following fields:
Description The DISCONNECT instruction physically disconnects the chip from the
bus when in the target mode.
Figure 3.5 DISCONNECT Format
31 30 29 25 24 23 0
DCMD Register DBC Register
Instr Type Opcode R R
0 1 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
31 0
DSPS Register
R
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
Instruction
Type I/O.
Opcode Disconnect instruction.