Motorola manual Functional Description Introduction, MVME177 Functional Description

Functional Description

4

Introduction

This chapter provides a block diagram level description for the MVME177 module. The functional description provides an overview of the module, followed by a detailed description of several blocks of the module. The block diagram of the MVME177 is shown in Figure 4-1 on page 4-3.

Descriptions of the other blocks of the MVME177, including programmable registers in the ASICs and peripheral chips, are given in the Single Board Computers Programmer's Reference Guide. Refer to it for the rest of the functional description of the MVME177 module.

MVME177 Functional Description

The MVME177 is a high functionality VMEbus single board computer designed around the MC68060 chip. The MVME177 has:

❏4/8/16/32/64/128/256MB of dynamic RAM

❏SCSI mass storage interface

❏Four serial ports

❏One parallel port

❏Ethernet transceiver interface

Data Bus Structure

The local data bus on the MVME177 is a 32-bit synchronous bus that is based on the MC68060 bus, and supports burst transfers and snooping. The various local bus master and slave devices use the

4-1