Typewriter User Manual

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
Frees
cale Semiconductor,
I
Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
nc...