Table of Contents
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11/2/95
TABLE OF CONTENTS (Concluded)
Paragraph
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
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
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
xvi
Freescale Semiconductor, Inc.
SECTION 1: OVERVIEW
Title
Section 11
Electrical Characteristics
Section 12
Index
MC68340 USER'S MANUAL
For More Information On This Product,
Go to: www.freescale.com
UM Rev.1.0
P a g e
Number
MOTOROLA
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