CES CBD8210 VME to CAMAC Branch Driver

VME Model CBD8210 VME to CAMAC Branch Driver

Features

Drives a full CAMAC branch from a VSB board (CBD8110) or from a VME board (CBD8210)
Supports 32-bit data transfers (CBD8110) or both 16-bit and 24-bit data transfers (CBD8210)
Complete set of CAMAC parameters memory mapped
Multicrate addressing capability
Graded LAMs direct read functions
Extended GL handling facilities
Front panel interrupts
Full compatibility between the two modules
Complete software library available
Supports a DMA extension with ESONE specs (CBD8210 only)

General Description

The CBD8110 is a standard 6U VME board allowing a CAMAC branch (EUR4600) to be driven from VSB. Up to seven CAMAC crates can be directly accessed on the branch highway from a VSB master.

The CBD8210 performs the same functions as the CBD8110, but from the VME Bus.

Those modules provide a complete software compatibility with the CERN recommendation, and allow a direct connection with the CCA2 CAMAC crate controller.

The command mode used is "programmed transfer" which allows simple software with efficient transaction speed for most applications.

Real-time events are handled via a pair of front panel interrupt inputs which are equipped with "ACK" outputs to provide simple interrupt handling.

Software interrupts can also be generated via the Interrupt "ACK" outputs. A manual branch Z switch is located on the front panel. A programmed "BZ" is also available. A branch control signal output (on the front panel), monitors the activity on the branch generated by the CBD boards.

A comprehensive set of LED's displays all the important CAMAC parameters driven by the modules.

A sophisticated Graded LAM handling provides a direct control of interrupts and a fully-vectored GL handling.

Software

Software support for the CBD8110 / CBD8210 is available on CES turn-key systems under OS-9 or Lynx-OS.

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