HP 54501A Programming Reference Manual page 77

REFER TO SERIAL POLL STATUS REPORTING
iJHHH
UN
TIO
§
)
<
0
>—i
8
J
r
••"
7 MSS ESB MAV
LTF MSG
LCL TRG
1
•*-(&
t
•^——
7654.3210
M501/BLZ1
^
^
,
^
5,
/-
s
1
'^
~\
1
'
p,
M
i
),
K
;
),
1
)
INDIVIDUAL STATUS
READ BY
«IST?
STATUS BYTE REGISTER
READ BY
«STB?
PARALLEL POLL
SET BY *PRE <NRf>
Figure 3-32. Parallel Poll
Data
Structure.
HP 54501A
Programming
Message Communication and System Functions
3-35