beautypg.com

Vxi backplane connections – HP VXI E1432A User Manual

Page 113

background image

VXI Backplane Connections

Power Supplies and Ground

The HP E1432A conforms to the VME and VXI specifications for pin
assignment. The current drawn from each supply is given in the
specifications chapter.

Data Transfer Bus

The HP E1432A conforms to the VME and VXI specifications for pin
assignment and protocol. A16, A24, D16, and D32 data transfers are
supported.

DTB Arbitration Bus

The HP E1432A module is not capable of requesting bus control. Thus it
does not use the Arbitration bus. To conform to the VME and VXI
specifications, it passes the bus lines through.

Priority Interrupt Bus

The HP E1432A generates interrupts by applying a programmable mask to
its status bits. The priority of the interrupt is determined by the interrupt
priority setting in the control register.

Utility Bus

The VME specification provides a set of lines collectively called the utility
bus. Of these lines, the HP E1432A only uses the SYSRESET* line.

Pulling the SYSRESET* line low (a hardware reset) has the same effect as
setting the reset bit in the Control Register (a software reset), except that
pulling the SYSRESET* line low also resets the Control Register itself,
while a software reset does not .

HP E1432A User's Guide
Module Description

5-8

Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com