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Function description hardware – BECKHOFF C1300 User Manual

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C1300 VME to II/O Interface Unit

Beckhoff II/O-System

Page 10 of 44

Version : 2.01

Date : 18.12.95

2. Function Description Hardware

C1300

The central module C1300 is a smart port for communications between the II/O-System and
the VMEbus. There is a 2k*8 dual ported SRAM for comunications between the II/O -System
and the VMEbus. It is addressed directly through the VMEbus. The VMEbus slave interface
has the following properties:

* AMO’s:

Standart Supervisory Program Access
Standart Supervisory Data Access
Standart Non-Privileged Program Access
Standart Non-Privileged Data Access

* A24/D16 and A24/D08 - Slave according to VMEbus Rev.C1, no block-transfer

* D08 Interrupter according to VMEbus Rev.C1