Appendix
A
Command Summary
Command Code
Description
Bit Set
An
Set bit n (1 thru 40)
Bit Clear
Bn
Clear bit n (1 thru 40)
Bus Output
G0
Input and Output port data sent on talk
G1
Only Input port data sent on talk
G2
Only Output port data sent on talk
Configure
C0
All ports are inputs
C1
Port 1 is an output, ports 2 thru 5 are inputs
C2
Ports 1 and 2 are outputs, ports 3 thru 5 are inputs
C3
Ports 1 thru 3 are outputs, ports 4 and 5 are inputs
C4
Ports 1 thru 4 are outputs, port 5 is an input
C5
All ports are outputs
Data
Dn..Z
Data to be outputted is entered after "D" and
terminated by "Z"
Data Ready
R0
Data is read when system is addressed to talk
R1
Data is latched on EDR transition
EOI K0 EOI
enabled
K1
EOI
disabled
Execute
X
Execute preceding command string
Format F0
ASCII
Hexadecimal
F1
ASCII
Character
F2
ASCII
Binary
F3
ASCII
Decimal
F4
Binary
F5
High Speed Binary
Handshake
H0
Pulse the Clear line
H1
Pulse the Strobe line
H2
Pulse the Trigger line
Inhibit
Q0
Clear Inhibit line
Q1
Set Inhibit line
Summary of Contents for Digital488
Page 21: ...2 10 Getting Started 11 19 01 Digital488 User s Manual...
Page 37: ...3 16 Command Descriptions 7 17 01 Digital488 User s Manual...
Page 48: ...Digital488 32 OEM Component Layout Digital488 User s Manual 916895 Service Information 5 5...
Page 49: ...Digital488 OEM Component Layout 5 6 Service Information 916895 Digital488 User s Manual...
Page 51: ...5 8 Service Information 916895 Digital488 User s Manual...
Page 61: ...B 8 Notes...
Page 62: ...Appendix C Digital488 OEM Mechanical Dimensions Board Dimensions C 1...
Page 63: ...IEEE Connector Mounting and Hole Punch Out C 2...