Specifications

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EPC-30 Hardware Reference
Page 34
Figure 3-1. EPC-30 Block Diagram.
• The Real-Time Clock and 82C42PE are normally used inside the
R380EX.
ProcessorEXPLR1 Overview
The standard EPC-30 uses the 33 MHz Intel386 EX in a 132-pin PQFP
package. The 386 EX is a fully static, 32-bit processor optimized for
embedded applications. It features low power consumption, a 16-bit external
data bus, a 26-bit external address bus, and a 32-bit programming
architecture compatible with Intel386 processors.
R380EX/Intel386 EX-based System Functional
Unit Summary
Component Functional Unit Description
PC-Compatible
Features
Interrupt
Controllers (2)
8259A-Compatible Peripheral Interrupt controller.