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Functional description, Introduction, Features – Motorola MVME2400 User Manual

Page 49: Chapter 3, Introduction -1 features -1, Table 3-1. mvme240x features -1, 3functional description

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Functional Description

Introduction

This chapter describes the MVME240x VME processor module on a block
diagram level. The General Description provides an overview of the
MVME240x, followed by a detailed description of several blocks of
circuitry. Figure 3-1 shows a block diagram of the overall board
architecture.

Detailed descriptions of other MVME240x blocks, including
programmable registers in the ASICs and peripheral chips, can be found in
the MVME2400-Series VME Processor Module Programmer’s Reference
Guide
(part number V2400A/PG). Refer to it for a functional description
of the MVME240x in greater depth.

Features

The following table summarizes the features of the MVME240x VME
processor module.

Table 3-1. MVME240x Features

Feature

Description

Microprocessor

233 MHZ MPC750 PowerPC

TM

processor

(MVME2401 - 2402 models)

350 MHZ MPC750 PowerPC

TM

processor

(MVME2431 - 2434 models)

Form factor

6U VMEbus

SDRAM

Double-Bit-Error detect, Single-Bit-Error correct across 72 bits 32MB,
64MB, or 128MB SDRAM

L2 Cache

Build-option for 1MB back side L2 Cache using late write or burst-
mode SRAMS