MC68306UMAD/AD Addendum to MC68306 Integrated EC000 Processor User's Manual

This document is an addendum to the MC68306 Integrated EC000 Processor User's Manual. It provides corrections to the original text and additional information not included in the original.


MC68306UMAD/AD Addendum to MC68306 Integrated EC000 Processor User's Manual - cover page
Brand
Motorola
Category
Other Electronics
Document type
Service Manual
Language
English
Pages
10
File format
PDF
File size
186 KB
Published
07 March, 2023
Updated
28 September, 2023
Model
MC68306
MD5 checksum
B019E421DB5A89C6CCCC69531FFD397A

About this manual

This document serves as an addendum to the MC68306 Integrated EC000 Processor User's Manual, released in September 1995. It contains corrections to the original text, additional technical information, and updated specifications for the microprocessor. The document addresses errors in signal descriptions, timing diagrams, and memory maps, while also providing new system interface specifications and operating conditions.

What's inside

  • Reset and Three-State Outputs
  • Pullup Recommendations
  • Halt and Three-State Outputs
  • Bus Description Error
  • Crystal Oscillator Recommendations
  • DC Electrical Specifications
  • Operating Conditions
  • Maximum Ratings
  • New System Interface Specifications
  • Counter/Timer Mode Clock Source Select Bits

Specifications

Supply Voltage4.75 to 5.25 V
Operating Temperature Range0 to 70 °C
Power Dissipation0.525 W
Input Low Voltage (except clocks)0.8 V
Clock Input High Voltage0.8*(VCC) to V CC
Clock Input Low Voltage0 to 0.2 *V CC

Frequently asked questions

What are the pullup recommendations for the MC68306?

The pullup resistor recommendations are intended as general guidelines only, and specific values can be modified to suit individual applications.

What is the minimum reset time for the MC68306?

The reset time should be a minimum of 132 clocks.

What type of crystals should be used for the MC68306 oscillator?

Crystals should be specified for parallel resonant operation with a series resistance less than 80 W.

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