Contents
© National Instruments Corporation xi GPIB-1014 User Manual
Data Lines.......................................................................................................... E-2
Handshake Lines ............................................................................................... E-2
NRFD (not ready for data) .................................................................... E-2
NDAC (not data accepted) .................................................................... E-3
DAV (data valid)................................................................................... E-3
Interface Management Lines............................................................................. E-3
ATN (attention)..................................................................................... E-3
IFC (interface clear) .............................................................................. E-3
REN (remote enable)............................................................................. E-3
SRQ (service request)............................................................................ E-3
EOI (end or identify)............................................................................. E-3
Physical and Electrical Characteristics.......................................................................... E-4
Configuration Requirements ......................................................................................... E-6
Related Documents........................................................................................................ E-7
Appendix FMnemonics Key................................................................................................................... F-1
Appendix GCustomer Communication.............................................................................................. G-1
Glossary ..................................................................................................................... Glossary-1
Index.................................................................................................................................. Index-1
FiguresFigure 1-1. GPIB-1014 Interface Board ............................................................................. 1-2
Figure 2-1. GPIB-1014 with a VMEbus Computer............................................................ 2-9
Figure 2-2. GPIB-1014 in a Multiprocessor Application ................................................... 2-10
Figure 2-3. GPIB-1014 Block Diagram.............................................................................. 2-11
Figure 3-1. Parts Locator Diagram ..................................................................................... 3-2
Figure 3-2. Access Mode After RESET ............................................................................. 3-3
Figure 3-3. Configuration for GPIB-1014 Base Address 2000 (hex)................................. 3-4
Figure 3-4. Default Settings of AM Code Jumpers W3, W4, and W5............................... 3-5
Figure 4-1. Interface Registers............................................................................................ 4-4
Figure 4-2. Writing to the Hidden Registers....................................................................... 4-5
Figure 4-3. DMA Register Memory Map........................................................................... 4-47
Figure 5-1. DMA Transfer without Carry Cycle................................................................ 5-10
Figure 5-2. DMA Transfer with Carry Cycle ..................................................................... 5-13
Figure 6-1. DTB Requester and Controller Flip-Flop Operations...................................... 6-10
Figure 6-2. Array Format for Array Chaining Modes ........................................................ 6-20