Motorola MVME1603, Installation And Use Manual, Page: 91 / 222

3
3-1
3
Functional Description
Introduction
This chapter describes the MVME1603/MVME1604 single-board
computer on a block diagram level. The General Description provides an
overview of the MVME1603/MVME1604, 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 MVME1603/MVME1604 blocks, including
programmable registers in the ASICs and peripheral chips, can be found in
the Programmer’s Reference Guide (part number V1600-1A/PG). Refer to
it for a functional description of the MVME1603/MVME1604 in greater
depth.
Features
The following table summarizes the features of the MVME1600-001- and
MVME1600-011-based MVME1603/MVME1604 single-board
computers.
Table 3-1. MVME1603/MVME1604 Features
Feature Description Models
Microprocessor MPC603 PowerPC
TM
processor MVME1603
MPC604 PowerPC
TM processor
MVME1604 (2 slots)
DRAM Up to 64MB on processor module All models
8MB-64MB on RAM104 module
(192MB available as factory order only) All models
L2 cache memory (Optional) 256KB on processor module PM603-02x, PM604-01x
Boot ROM Two 32-pin PLCC sockets (1MB Flash) All models
Software-readable
header 8-bit readable header (4 bits reserved for
firmware, 4 bits user-definable) All models