HP 9800 SERIES - Clear

Status:
Parallel Poll:
Clear
Type:
Purpose:
Description:
HP-IB Sequence:
ATN
(Ol~DDRSI
Primary
Listen
Status:
Parallel Poll:
ATN
(1 11000
J
Secondar
HP 9895A Disc Memory Command Set A-23
No errors.
Sl - 0
Stat 2 - All bits cleared, then bits E and SS are set, if
appropriate.
DSJ - 0
The parallel poll response is re-enabled after the operation
is completed, normally or abnormally.
Control.
This
command gives the user the capability to place the
9895A controller in a known state and to programatically
enable
or disable the HP-IB parity check logic.
After reception of the
HP-300 clear secondary, the data
byte and the device clear, the controller sets or clears the
HP-IB parity enable in the PHI.
HP-300 Device Clear
EOI
ATN
ATN
P
P
P
X
I POOO0100
1
P
(°111111
1
D
Control I
E
Selected
Unlisten
Device Clear Byte
Device Clear
Where:
X - HP-IB parity check bit:
o - Disable parity check,
1 - Enable parity check.
No errors.
Sl - 0
Stat 2 - All bits cleared, then E and SS set, if appropriate.
DSJ -0
The parallel poll response is re-enabled after the operation
is completed, normally or abnormally.