AcQuisition Technology Quad M-module Carrier i4000 User Manual download pdf (Page 15)

page 14 i4000 - Quad M-module Carrier for VMEbus-

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module will be accessed at address $ff800200. The corresponding interrupt control

5.2. The interrupt controller

5.2.1. Functional description

The Interrupt controller used with the i4000 is largely compatible the MC68153

Interrupt controller from Motorola.

The interrupt controller provides a means for the modules to ask for an interrupt of the

processor activity and receive service from the processor. The Interrupt controller on the

i4000 acts as an interface device requesting and responding to interrupt acknowledge

cycles for up to 4 independent modules.

5.2.2. Register description

The Interrupt controller of the i4000 contains 8 programmable registers. There are four

control registers (CR0-CR3) that govern operation of the Interrupt controller and four

vector registers (VR0-VR3) that contain the vector data used during an interrupt

acknowledge cycle. Every module is assigned one register pair.

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AcQuisition Technology Quad M-module Carrier i4000 User Manual Page 15