BFL (DS1)

2-4

CPU (DS2)

2-4

PMC2 (DS3)

2-4

PMC1 (DS4)

2-4

10/100 BASET Port

2-4

DEBUG Port

2-5

PMC Slots

2-7

PCI MEZZANINE CARD (PMC Slot 1)

2-7

PCI MEZZANINE CARD (PMC Slot 2)

2-7

PMCspan

2-8

CHAPTER 3 Functional Description

 

Introduction

3-1

Features

3-1

General Description

3-4

Block Diagram

3-4

MPC750 Processor

3-4

L2 Cache

3-6

Hawk System Memory Controller (SMC)/PCI Host Bridge (PHB) ASIC

3-7

PCI Bus Latency

3-8

PPC Bus Latency

3-10

Assumptions

3-12

Clock Ratios and Operating Frequencies

3-13

PPC60x Originated

3-13

PCI Originated

3-14

SDRAM Memory

3-14

SDRAM Latency

3-15

Flash Memory

3-19

ROM/Flash Performance

3-19

Ethernet Interface

3-22

PCI Mezzanine Card (PMC) Interface

3-23

PMC Slot 1 (Single-Width PMC)

3-23

PMC Slot 2 (Single-Width PMC)

3-24

PMC Slots 1 and 2 (Double-Width PMC)

3-24

PCI Expansion

3-24

VMEbus Interface

3-25

Asynchronous Debug Port

3-25

PCI-ISA Bridge (PIB) Controller

3-26

Real-Time Clock/NVRAM/Timer Function

3-27

PCI Host Bridge (PHB)

3-27

x

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Motorola MVME2400 manual Functional Description