MC68340 datasheet(17/441 Pages) FREESCALE

17 / 441 page

11/2/95

SECTION 1: OVERVIEW

UM Rev.1.0

xvi

MC68340 USER'S MANUAL

MOTOROLA

TABLE OF CONTENTS (Concluded)

Paragraph

Page

Number

Title

Number

10.1.2

Reset Circuitry .............................................................................................10-3

10.1.3

SRAM Interface ...........................................................................................10-3

10.1.4

ROM Interface..............................................................................................10-4

10.1.5

Serial Interface............................................................................................10-4

10.2

Memory Interface Information.......................................................................10-5

10.2.1

Using an 8-Bit Boot ROM...........................................................................10-5

10.2.2

Access Time Calculations.........................................................................10-6

10.2.3

Calculating Frequency-Adjusted Output ................................................10-7

10.2.4

Interfacing an 8-Bit Device to 16-Bit Memory Using

Single-Address DMA Mode..................................................................10-10

10.3

Power Consumption Considerations..........................................................10-10

10.3.1

MC68340 Power Reduction at 5V ..........................................................10-11

10.3.2

MC68340V (3.3 V) .....................................................................................10-13

Section 11

Electrical Characteristics

11.1

Maximum Rating .............................................................................................11-1

11.2

Thermal Characteristics.................................................................................11-1

11.3

Power Considerations ...................................................................................11-2

11.4

AC Electrical Specification Definitions .......................................................11-2

11.5

DC Electrical Specifications .........................................................................11-5

11.6

AC Electrical Specifications Control Timing..............................................11-6

11.7

AC Timing Specifications..............................................................................11-8

11.8

DMA Module AC Electrical Specifications.................................................11-19

11.9

Timer Module Electrical Specifications ......................................................11-20

11.10

Serial Module Electrical Specifications......................................................11-22

11.11

IEEE 1149.1 Electrical Specifications.........................................................11-25

Section 12

Ordering Information and Mechanical Data

12.1

Standard MC68340 Ordering Information .................................................12-1

12.2

Pin Assignment ...............................................................................................12-2

12.2.1

144-Lead Ceramic Quad Flat Pack (FE Suffix).....................................12-2

12.2.2

145-Lead Plastic Pin Grid Array (RP Suffix) ..........................................12-4

12.3

Package Dimensions.....................................................................................12-6

12.3.1

FE Suffix .......................................................................................................12-6

12.3.2

RP Suffix.......................................................................................................12-7

Index

Freescale Semiconductor, Inc.

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