User`s manual

4 Contents
Chapter 5 (continued)
SYSTem Subsystem ................................................................................................... 96
:CDEScription? ................................................................................................... 96
:CTYPe? .............................................................................................................. 96
:ERRor? ............................................................................................................... 97
:VERSion? ........................................................................................................... 97
IEEE 488.2 Common Commands............................................................................... 98
Command Quick Reference........................................................................................ 99
Appendix A
Agilent E1330B Digital I/O Specifications ...............................................................103
Appendix B
Agilent E1330B Digital I/O Module Register Information ....................................105
Using This Appendix ................................................................................................ 105
Addressing the Registers .......................................................................................... 105
The Base Address .............................................................................................. 106
Register Offset ................................................................................................... 108
Reset and Registers................................................................................................... 109
Register Definitions .................................................................................................. 109
Register Descriptions................................................................................................ 111
Manufacturer Identification Register ................................................................ 111
Device Identification Register ........................................................................... 111
Card Status/ Control Register ............................................................................ 111
Port Interrupt Control Register .......................................................................... 112
Port Transfer Control Register .......................................................................... 113
Port Control/ Status Register ............................................................................. 114
Port Data Register ............................................................................................. 115
Port Handshake Register ................................................................................... 116
Port Delay Register ........................................................................................... 117
Port Normalization Register .............................................................................. 118
A Register-Based Output Algorithm ........................................................................ 119
A Register-Based Input Algorithm ........................................................................... 120
Programming Examples............................................................................................ 121
System Configuration ........................................................................................ 121
Resetting the Module ........................................................................................122
Reading the ID, Device Type, and Status Registers ......................................... 123
Writing an 8-Bit Byte ........................................................................................ 125
Writing a 16-Bit Word ...................................................................................... 127
Reading an 8-Bit Byte ....................................................................................... 128
Reading a 16-Bit Word ..................................................................................... 130
Debugging Basic Register-Based Programs ..................................................... 130
PIR Interrupts on the Agilent E1330 ................................................................. 131
Agilent E1330B Non-data Line I/O ..................................................................136
Embedded Computer Example .......................................................................... 140
Appendix C
Error Messages .......................................................................................................... 143