Measurement Computing Digital488/80A User Manual
Page 77
K#
End-Or-Identify
K0 EOI
enabled; assert
EOI
on last byte transferred.
K1 EOI
disabled; do not assert
EOI
on last byte transferred.
L####
Buffer
####
The number of port readings in the internal data buffer (from
0
to
2000
).
M##
Service Request Mask
M0 SRQ
is disabled.
M1 SRQ
on Service input transition.
M2 SRQ
on EDR input transition.
M4 SRQ
on IEEE 488 bus error.
M16 SRQ
on Ready.
Note:
The status message reflects the sum of all received Service Request Mask commands.
P#
Port Select
P0
All 5 ports selected.
P1
Port 1 selected.
P2
Port 2 selected.
P3
Port 3 selected.
P4
Port 4 selected.
P5
Port 5 selected.
R#
Data Ready
R0
Data is not latched, but is read whenever the Digital488/80A is addressd.
R1
Data is latched on an EDR transition.
R2
Data is latched and buffered on an EDR transition.
Y#
Bus Terminator
Y0
Carriage-return line-feed (
CR LF
).
Y1
Line-feed carriage-return (
LF CR
).
Y2
Carriage return (
CR
) only.
Y3
Line feed (
LF
) only.
Digital488/80A User’s Manual
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Digital488/80A Commands 71