HP E1433A, Руководство пользователя, Страница: 115 / 222

VXI Backplane Connections
Power Supplies and Ground
The HP E1433A 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 E1433A 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 E1433A 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 E1433A 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 E1433A 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 E1433A User's Guide
Module Description
5-8
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