VME-Carrier Board for PMC Modules

Easy Expansion of VMEbus Systems

  • Add up to 2 PMC boards to your system

  • Connect to the field with P2-IO

  • Insert 2 single or 1 double size PMC module

  • Use options for P2 pin assignment and 3.3 V supply

High Bandwidth Connection between VME and PCI

  • Powerful VME-PCI bridge UNIVERSE CA91C142

  • 4 level VME arbiter, address space up to A32/D32

  • VME64 extension connector

  • Master and slave capability

Reliable design - easy to handle and cost effective

  • Design for low power consumption and easy cooling

  • Approved in many industrial applications

  • Standard interfaces and form factors according to IEEE P1386 and IEEE 1014

  • Software libraries available

The VMEbus unit PMC-CADDY is a VME64-base board which can carry up to two PMC modules of normal size or one module of double size.
For the VMEbus connection the VME-PCI bridge UNIVERSE CA91C142 by Tundra with an internal clock rate of 33 MHz is used.

VMEbus Interface
The CA91C142 is designed in a way that the board can either operate as slave or as master on the VMEbus. If the board operates as master, it supports a 4-level arbiter. The PMC-CADDY operates with a data width of up to 32 bits and with 32 address signals on the VMEbus. The VMEbus interrupt can be applied to any of the seven interrupt-request lines. The board is connected to the VMEbus by two 160-pin VG-connectors according to IEC603-xx on VME64 extensions. An active VMEbus-interrupt request is shown by a red LED in the front panel and a VMEbus access onto the board is shown by a yellow LED.

PMC Plug-In Units
Both PMC plug-in units are designed according to the draft standard IEEE P1386/Draft 2.0 (except the standard I/O pin routing). It is possible therefore to insert all PMC modules which are on the market. In addition to the connectors for the PMCaddress/data and control signals, every plug-in unit of the PMC-CADDY has an I/O-connector which applies the I/O signals of the PMC modules to VMEbus connector P2. Two different P2 pin assignments are available: In the standard configuration each P2-pin is only connected to one I/O-pin of the PMCmodules (acc. to PMC-Update of FORCETM, Table 1, Author: Wayne Fischer, Director of Strategic Programs CMC/PMC Working Groups Chair, 22.10.96).

In the option ‘-32P’ the pin assignment is acc. to IEEE P1386/Draft 2.0, Table 6-3. This pin assignment offers the connection of the two PMC-modules via P2, because several PMC-I/O-signals are shorted at P2.

Front Panel
The front panel of the PMC-CADDY has two holes for the front panels of the PMC modules. A blank cover for free plug-in units is included in the price.

Example libraries for the initialization of the board in C-Source-Code for VxWorks and OS-9 are available for a fee on a disk (MSDOS format). Drivers for further operating systems are available on request. Please state your operating system with the version number when you order.

VME-PMC-CADDY: VME-Carrier Board for PMC Modules by esd