Curtiss-Wright DTI-VME/S, User Manual

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3.REGISTERS
The DTI-VME/S contains 27 16-bit registers. Nine of these registers control interrupt
handling. The following six interrupt registers, described in the Interrupts section, control
operation:
•
Interrupt Queue Pointer Register (06)
•
High Priority Interrupt Enable Register (07)
•
High Priority Interrupt Status/Reset Register (08)
•
Standard Priority Interrupt Enable Register (09)
•
Interrupt Counter Read/Clear Register (19)
•
Autodecrement Interrupt Counter Register (20)
Seven Configuration Registers control bus connection, memory size, start address of
memory, memory banking, standard address, extended address, standard and high priority
interrupt level and vector width. These registers are:
•
Bus Connection Relay Control Register (25)
•
Memory Size/Start Address/Bank Select Register (26)
•
Standard Address Select Register (27)
•
Extended Address Select Register (28)
•
Interrupt Level and Vector Width Selection Register (29)
•
Standard Priority Interrupt Vector Register (30)
•
High Priority Interrupt Vector Register (31)
(See Getting Started for more information on the Configuration Registers.)
The following two registers, described in the Remote Terminal section, control the RT:
•
Control Register (00)
•
RT Address Register (10)
Ten registers control the Bus Monitor and are described in the Bus Monitor section:
•
Control Register (00)
•
Start of Message Record Block Register (02)
•
Interrupt Queue Pointer Register (06)
•
High Priority Interrupt Enable Register (07)
•
Standard Priority Interrupt Enable Register (09)
•
RT Address Register (10)
Copyright 2004 3-1 DTI-VME/S