MMC2001 datasheet(4/259 Pages) NXP

4 / 259 page

MMC2001

MOTOROLA

REFERENCE MANUAL

TABLE OF CONTENTS

Paragraph

Title

Page

SECTION 1

INTRODUCTION

SECTION 2

INTEGER CPU

2.1

M•CORE Overview .......................................................................................... 2-1

2.2

Features ........................................................................................................... 2-2

2.3

Microarchitecture Summary ............................................................................. 2-2

2.4

Programming Model......................................................................................... 2-3

2.5

Data Format Summary..................................................................................... 2-5

2.6

Operand Addressing Capabilities..................................................................... 2-6

2.7

Instruction Set Overview .................................................................................. 2-6

2.8

M•CORE Bus Interface .................................................................................... 2-8

2.8.1

Bus Characteristics ....................................................................................... 2-8

2.8.2

Bus Signals ................................................................................................... 2-9

2.8.3

Signal Descriptions...................................................................................... 2-10

2.8.4

Bus Operation ............................................................................................. 2-11

2.8.5

Processor Instruction/Data Transfers .......................................................... 2-13

2.8.6

Bus Exception Cycles.................................................................................. 2-14

SECTION 3

SYSTEM MEMORY MAP

3.1

Overview .......................................................................................................... 3-1

3.2

Peripheral Module Address Allocation ............................................................. 3-1

3.3

Peripheral Module Interface Operation ............................................................ 3-2

3.4

Peripheral Module Address Assignment .......................................................... 3-2

SECTION 4

SIGNAL DESCRIPTIONS

4.1

Overview .......................................................................................................... 4-1

4.2

Signal Index ..................................................................................................... 4-2

4.3

Bus Signals ...................................................................................................... 4-4

4.3.1

Address Bus (ADDR[19:0]) ........................................................................... 4-4

4.3.2

Data Bus (DATA[15:0]).................................................................................. 4-4

4.3.3

Output Enable (OE) ....................................................................................... 4-4

4.3.4

Read/Write Enable (R/W) .............................................................................. 4-4

4.3.5

Enable Byte 1 (EB1)...................................................................................... 4-4

4.3.6

Enable Byte 0 (EB0)...................................................................................... 4-4

4.3.7

Chip Selects (CS3, CS[2:0]) .......................................................................... 4-4

4.3.8

Internal ROM Disable (MOD) ........................................................................ 4-4

4.4

Exception Control Signals ................................................................................ 4-4

4.4.1

Reset (RSTIN)............................................................................................... 4-4

4.4.2

Low Voltage Reset (LVRSTIN) ...................................................................... 4-5

4.4.3

Reset Out (RSTOUT) .................................................................................... 4-5

Freescale Semiconductor, Inc.

For More Information On This Product,

Go to: www.freescale.com

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