Motorola MVME2400 manual MVME240x Features, Feature Description

Functional Description

3

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
	233 MHZ MPC750 PowerPCTM processor
Microprocessor	(MVME2401 - 2402 models)
	350 MHZ MPC750 PowerPCTM 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

3-1