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HP 1630A User Manual

HP 1630A
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Model
1630A/D/G

An
HP-113
Overview
Code
used
when
attention
(ATN)
is
true
(low)
.
X=
don't
care
INTERFACE
FUNCTIONS
Command
and
Address
Codes
Interface
functions provide
the
physical
capability
to
communicate
via
HP-113
.
These
functions
are
defined
in
the
ANSI/IEEE
488-1978
Standard
.
This standard,
which
is
the
designer's
guide
to
the
bus,
defines
each
interface
function
in
terms
of
state
diagrams
that
express
all
possible
interactions
.
Bus
capability
is
grouped
under
10
interface
functions,
for
example
:
Talker,
Listener,
Controller,
Remote/Local
.
The
following
table
lists
the
functions,
including
two
special
cases
of
Controller
.
HP-113
Interface
Functions
"Extended
Talkers
and
Listeners
use a
two-byte
address
.
Otherwise, they
are
the
same
as
Talker
and
Listener
.
Code
Form
Meaning
X
0
1
A5 A4
A3
A2
Al
Universal
Commands
X 0
1
A5
A4
A3 A2
A'
Listen
Addresses
except
X 0
1
1 1 1
1
1
Unlisten
Command
X
1
0
A5 A4
A3 A2
A1
Talk
Address
except
X
1
0
1 1 1 1 1
Untalk
Command
X
1 1
A5 A4 A3
A2
Al
Secondary
Commands
except
X
1 1
1 1
1
1 1
Ignored
Mnemonic
Interface
Function
Name
SH
Source
Handshake
AH
Acceptor
Handshake
T
Talker
(or
TE
=
Extended
Talker)'
L
Listener
(or
LE=
Extended
Listener)*
SR
Service
Request
RL'
Remote
Local
PP
Parallel Poll
DC
Device Clear
DT
Device
Trigger
C
Any
Controller
CN
A
Specific
Controller
(for
example
:
CA,
CB
. . .
)
CS
The
System
Controller

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HP 1630A Specifications

General IconGeneral
BrandHP
Model1630A
CategoryMeasuring Instruments
LanguageEnglish

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