Ieee Bus Commands And Functions - Brainboxes IE-285 User Manual

PC Elite Reference

IEEE Bus Commands And Functions.

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ABORT Resets bus, pulse IFC, assert REN, assert ATN.
BASE= Sets the IEEE board base i/o address.
CLEAR Returns some or all devices to predetermined state.
CONFIGURE Specifies how device responds to PPOLL.
DISABLE Prevents some or all devices responding to PPOLL.
END= Sets End of Sequence method for OUTPUTs.
ENTER Ask for data from IEEE device.
EOS= Specifies EOS byte for IEEE data INPUTs to PC.
INIT Restores IEEE bus and driver to defaults state.
LOCAL Enable front panel control. REN, ATN sent false.
LOCKOUT Disable front panel controls. Performs LLO.
NO TO Disables time out.
OUTPUT Sends literal data string to addressed devices.
PPOLL Performs a complete Parallel Poll
READ Reads one byte of data from addressed talker.
REMOTE Puts some or all devices under PSI BOX control.
SLAVE Puts PC into peripheral mode.
SPOLL Serially Polls one or more devices.
STRING Sends literal data string to current bus device.
TO Sets an i/o timeout value.
TRIGGER Initiates pre programmed action in devices.
UNCONFIGURE Prevents devices responding to Parallel Poll.
WAIT SRQ Waits till SRQ is asserted by device.
WAIT MLA Waits till PC is addressed to listen.
WAIT MTA Waits till PC is addressed to talk.
NO ATN Set ATN false.
NO REN Set REN false.
LISTEN Sends one or more Listen Addresses.
ATN Asserts ATN line true.
CMD Send byte ATN true.
DATA Send byte ATN false.
DCL Device Clear.
EOI Send DATA with EOI true
GET Group Executive Trigger
GTL Go To Local.
IFC Pulse IFC for 100 microsec
LAG Listen Address.
LLO Local Lockout.
MLA Set/ Send My Listen Address.
MTA Set/ Send My Talk Address.
MSA Set/ Send My Secdry Address.
PPC Parallel Poll Configure.
PPD Parallel Poll Disable.
PPE Parallel Poll Enable.
PPU Parallel Poll Unconfigure
REN Asserts REN line true.
SDC Select Device Clear.
SEC Secondary Address.
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