Measurement Computing Digital488 - Manual (Page 80)

Appendix A Digital488 Command Summary
Command Code Description
A.2
Inhibit Q0 Clear Inhibit line
Q1 Set Inhibit line
Invert I0 All control line outputs are active high
I1 Inhibit output is active low
I2 Trigger output is active low
I4 Data Strobe output is active low
I8 Clear output is active low
I16 Data is low true
I32 EDR input is falling-edge sensitive
I64 Service input is falling-edge sensitive
Port P0 All ports selected
P1 Port 1 selected
P2 Port 2 selected
P3 Port 3 selected
P4 Port 4 selected
P5 Port 5 selected
SRQ Mask M0 SRQ is disabled
M1 SRQ on Service Input transition
M2 SRQ on EDR input transition
M4 SRQ on Bus error
M8 SRQ on Self-test error
M16 SRQ on Ready
Status U0 Send Status information when next addressed to
talk (*.*C#E#F#G#I###K#M###P#R#Y#)
Un Read state of bit n (1 thru 40)
Terminator Y0 CR LF
Y1 LF CR
Y2 CR only
Y3 LF only
Test T0 Perform RAM and ROM test