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Topic: Motorola 68HC12


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In the News (Tue 15 Dec 09)

  
  GCC for Motorola 68HC11 & 68HC12
The C and C++ compilers have been ported for 68HC11 and 68HC12 micro-controllers.
There are 4 soft registers by default for 68HC11 and 2 for 68HC12.
For 68HC12, the -mlong-calls option can be used to tell the compiler to use call and rtc for function calls and returns.
www.gnu.org /software/m68hc11/m68hc11_gcc.html   (1586 words)

  
  Freescale 68HC12 - Wikipedia, the free encyclopedia
The 68HC12 (6812 or HC12 for short) is a 16-bit microcontroller family from Freescale Semiconductor.
The first 68HC12 derivatives had a maximum bus speed of 8MHz and flash memory sizes up to 128kbytes.
Like the 68HC11, the 68HC12 has 2 8-bit accumulators A and B (sometimes referred to as a single 16 bit register D), 2 16-bit registers X and Y, a 16-bit program counter, a 16-bit stack pointer and an 8 bit Condition Code Register.
en.wikipedia.org /wiki/Motorola_68HC12   (333 words)

  
 Business Wire: Motorola Expands Support of Microcontrollers That Support CAN Multiplexing Protocol; Choice of 8-, 16- ...
Motorola, which has been the No. 1 worldwide supplier of microcontrollers for four years running (source: In-Stat, Dataquest), has further enhanced its range of CAN solutions with the announcement of real-time operating system software, consultancy and training services (see separate announcement on OSEK-OS software).
The 68HC12 architecture is optimized for high level languages, fast math operations and is extremely code efficient, typically offering 20 to 30 percent code size reduction as compared with the 68HC11 CPU.
The Motorola Scalable CAN concept was used to migrate from the msCAN08 module found on the 8-bit 68HC08 MCU family to an enhanced, more powerful module for the 68HC12 family.
www.findarticles.com /p/articles/mi_m0EIN/is_1997_Oct_1/ai_19801992   (1152 words)

  
 An Overview of the 68HC12
Motorola is already working on the next single chip controller.
Motorola is working on both the 68HC12/A4 and B32 variations.
Motorola will also allow you to order printed documentation online at http://design-net.com/home2/lit_ord.html where you will find a form to fill out your name and address, then a spot on the bottom for document numbers.
www.seattlerobotics.org /encoder/jan97/The68HC12.html   (2457 words)

  
 [No title]   (Site not responding. Last check: 2007-10-13)
Introduction: The Motorola 68HC12 is a 16-bit microprocessor descended from the 68HC11.
This manual is intended to provide a brief introduction to the 68HC12 and how to program it in C using the Introl C compiler 4.00.
Ports C and D are used as the data bus for the 68HC12.
www.rpi.edu /dept/ecse/mpsd/M6812_Users_Man.doc   (6299 words)

  
 Design of Embedded Systems Using 68HC12/11 Microcontrollers: Current Amazon U.S.A. One-Edition Data
Motorola has recently introduced an upgrade of this microcontroller, the 68HC12, that has new, more powerful instructions and addressing modes.
The 68HCll and 68HC12 Analog-to-Digital (A/D) converter is described in Chapter 9 where an example is given of the design of a digital compass.
It consists of two parts-some 68HC12 subroutines that reside on the target system (typically an evaluation board) and a C++ program that runs on a PC and communicates with the 68HC12 target system through a serial line.
www.1-brs.com /us-reviewed/0130832081.html   (2222 words)

  
 68h biography .ms   (Site not responding. Last check: 2007-10-13)
The 68h family of 8-bit processors is based upon the Motorola 6800 CPU.
However not just Motorola produced or innovated on that design.
Motorola 6809 (suceeded by the m68k family chip 68000)
www.biography.ms /68h.html   (71 words)

  
 [No title]
The combination of a rich graphical development tool, along with specialized instructions added to a 16-bit microcontroller, may make it practical to use fuzzy logic in embedded applications previously not possible.
Using the fuzzy instructions on the 68HC12, a fuzzy control example employing two input variables and one output variable with seven membership functions each, and 17 rules, each with two antecedents and one consequence, is compiled to 54 bytes.
Motorola supplies a $99 evaluation board (68HC912B32), bundled with a copy of the limited-function Explorer version of fuzzyTECH HC11/12.
www.chez.com /bmantel/pages/logflou8.html   (1419 words)

  
 Design of Embedded Systems Using 68HC12/11 Microcontrollers - $79.90   (Site not responding. Last check: 2007-10-13)
This is the first book to describe, in detail, the new Motorola 68HC12 microcontroller, how to program it, and how to design embedded systems using the 68HC12.
The 68HC12 programmable timer is discussed in Chapter 10 where examples are given of using output compares, input captures, and the pulse accumulator.
It consists of two parts—some 68HC12 subroutines that reside on the target system (typically an evaluation board) and a C++ program that runs on a PC and communicates with the 68HC12 target system through a serial line.
www.informit.com /title/0130832081   (3289 words)

  
 68HCxx
Motorola 68HCxx microcontroller family and related embedded technologies.
This project may be useful for developers looking for an unexpensive and fully open Motorola HCS12 debugger/programmer (using ActiveX technology).
Página completamente dedicada al magnifico micro de Motorola 68HC11 cargada con toneladas de información, recursos y accesorios.
n.webring.com /hub?ring=hc11   (963 words)

  
 68HC12 Microcontroller: Current Amazon U.S.A. One-Edition Data
During the summer of 1992, the first author (D.P.) was first introduced to the family of Motorola 68HC 11 Microcontrollers as he was constructing an interface module between a Puma robot arm robot controller and a force-torque sensor.
One of the most compelling reasons to write 68HC12 Book is that Motorola is slowly phasing out the popular 68HC 11 microcontroller-based evaluation boards and replacing them with the 68HC 12.
Compared to its predecessor, the 68HC12 has reduced the interrupt latency time, increased the I/O capacity, added complex math operations, incorporated fuzzy logic functions, and improved the overall system performance by adapting a mechanism called instruction queuing, which is similar to the pipelining s6heme found in more powerful microprocessors.
www.1-brs.com /us-reviewed/0130337765.html   (1748 words)

  
 noral - press releases
Motorola 683xx (CPU32) development improved by real-time BDM tools.
Compact, 32-bit emulator for Motorola 68020 is under $10K.
Uses Motorola bond-out to achieve accuarte emulation in real-time.
www.noral.com /pages/pr.htm   (272 words)

  
 68HC11 literature
Motorola - literature reference M68HC11RM/AD This document is the "bible" of the 68HC11 and is a must-have for any serious 68HC11 programmer.
The new, second edition of this comprehensive book on the 68HC11 microcontroller from Motorola is unique in that it uses both the assembly language (for better hardware control and execution time) and the C language (for faster projection completion) to instruct readers in the basics of interface programming.
Motorola's 68HC11 microcontrollers are used in appliances ranging from the car to the microwave.
hc11.mha.ca /thrsim11/68hc11/literatu2.htm   (629 words)

  
 Fuzzy Application Library/Technical Applications/Motorola 68HC12 MCU
The 68HC12 MCU was introduced in Q3/1996 by Motorola as a successor to the 68HC11 MCU, one of the most widely used microcontrollers in the world.
In close cooperation with Motorola, Inform's fuzzy logic experts have generated a HC12 code generator that optimally utilizes the fuzzy logic functions of the HC12 ALU.
The new Motorola HC12 MCU is the world's first standard MCU with an embedded fuzzy logic instruction set.
www.fuzzytech.com /e/e_a_mot.html   (1537 words)

  
 Motorola 68HC12 -- Facts, Info, and Encyclopedia article   (Site not responding. Last check: 2007-10-13)
Motorola 68HC12 -- Facts, Info, and Encyclopedia article
The Motorola 68HC12 (6812 or HC12 for short) is a (additional info and facts about 16-bit) 16-bit (additional info and facts about microcontroller) microcontroller family from (additional info and facts about Motorola) Motorola.
Programs written for the (The cardinal number that is the sum of seven and one) 8/16-bit (additional info and facts about Motorola 68HC11) Motorola 68HC11 are usually compatible with the HC12, which has a few extra (A manual usually accompanying a technical device and explaining how to install or operate it) instructions.
www.absoluteastronomy.com /encyclopedia/m/mo/motorola_68hc122.htm   (93 words)

  
 Computer books at discount prices - nerdbooks.com
Single- and Multiple-Chip Microcontroller Interfacing for the Motorola 68HC12 teaches the principles of designing and programming microcontrollers that will be used in a wide variety of electronic and mechanical devices, machines and systems.
This book utilizes the new Motorola 68HC12 Microcontroller as the primary example throughout.
The book will also be a valuable professional reference for electrical engineers and mechanical engineers in industry working with the design of electronic and electromechanical devices and systems.
www.nerdbooks.com /item.php?id=0124518303   (146 words)

  
 68HC Books: Motorola 68HCxx and M-CORE microcontrollers
From Book News, Inc.: Providing an explanation of the latest developments in the advancing Motorola microcontroller market is the basic goal of this new edition of a textbook for future designers and maintainers of electronic communications or control systems.
Chapter topics cover an introduction to the 68HC12, 68HC12 assembly language programming, advanced assembly programming, fuzzy logic, hardware configuration, exception—resets and interrupts, the 68HC12 clock module and standard timer module (TIM), the 68HC12 memory system, analog-to-digital (ATD) converter, and 68HC12 communications system—multiple serial interface.
This book on the Motorola 68HC12 microcontroller provides a thorough discussion of C and C++ programming of I/O ports and synchronization mechanisms.
www.ucpros.com /Resources/books_motorola_68hc11,_68hc12,_68hc16.htm   (985 words)

  
 GCC for Motorola 68HC11 & 68HC12
The C and C++ compilers have been ported for 68HC11 and 68HC12 micro-controllers.
There are 4 soft registers by default for 68HC11 and 2 for 68HC12.
For 68HC12, the -mlong-calls option can be used to tell the compiler to use call and rtc for function calls and returns.
stephane.carrez.free.fr /m68hc11_gcc.php   (1587 words)

  
 GNU Binutils for Motorola 68HC11 & 68HC12
The specific tags EM_68HC11 (70) and EM_68HC12 (53) are used to identify the machine.
These tags are defined by the Motorola Embedded Working Group (see Eabi WG).
For 68HC12, it is put in the.bss section.
www.gnu.org /software/m68hc11/m68hc11_binutils.html   (1002 words)

  
 68HCxx - internet resources (motorola 68hc11 68hc05)   (Site not responding. Last check: 2007-10-13)
This page describes the state of the port of the GNU Development chain for the Motorola 68HC11 and 68HC12 microcontrollers.
Arnewsh Inc. is the most experienced certified Motorola US training partner for the PowerPC 8260 PowerQUICC II, the PowerQUICC 860/8xx, and 60x/750/740, as well as the ColdFire/68K microprocessor and MC68HCxx microcontroller families.
This article is a collection of information sources on the line of Motorola 68hc11 microcontrollers.
www.cera2.com /WebID/embedded/68hcxx/blank/tool/a-z.htm   (373 words)

  
 [No title]
Part 2 of this lab will be used to introduce you to the basic features and characteristics of the 68HC12 microprocessor by first gaining familiarity with the machine’s instruction set, and second by learning how to use the 68HC12 Evaluation Board.
In the laboratory, you will use the 68HC12 Evaluation Board to execute the code segments you have written in Part 2, using the test data you have chosen, and then record the execution results for each instruction.
The 68HC12 board has a red and fl clip for holding the wires that provide power to the board.
www.eecs.tufts.edu /~karen/EE14/EE14Lab12003.doc   (2311 words)

  
 [20040901] DESIGN OF EMBEDDED SYSTEMS USING 68HC12 MICROCONTROLLERS
We will see that WHYP consists of two partssome 68HC12 subroutines that reside on the target system (typically an evaluation board) and a C++ program that runs on a PC and communicates with the 68HC12 target system through a serial line.
The important topic of interrupts is introduced in Chapter 6 and specific examples of using interrupts in conjunction with various I/0 functions are given in Chapters 7-11.
The 68HC 11 and 68HC12 Analog-to-Digital (A/D) converter is described in Chapter 9 where an example is given of the design of a digital compass.
www.ticmundi.com /reuse/0-13-083208-1.html   (2520 words)

  
 noral - debugging tools   (Site not responding. Last check: 2007-10-13)
Debugging specialist Noral Micrologics has developed the first Motorola 68HC12 BDM (background debug mode) tool that can be connected to a live embedded target without the need for system reset.
The compact and portable 'Hot Insert' tool is particularly suited to on-site debugging in environments where the 68HC12 application must operate for 24 hours a day, seven days a week with zero downtime.
Fully compatible with all members of Motorola's 68HC12 processor family, Noral's handheld, 'Hot Insert' Flex-BDM/68HC12 is ideal for debugging live systems requiring the identification and rectification of intermittent problems that disappear at system reset.
www.noral.com /pages/pr7.htm   (314 words)

  
 EE 308 Objectives   (Site not responding. Last check: 2007-10-13)
The objective of EE 308 is to have the student design and build a simple control system using a Motorola 68HC12 microcontroller.
Learn how to program the 68HC12 microcontroller in assembly language and in C, including use of subroutines and interrupt service routines.
Learn how to use the Motorola manuals and data sheets to get the information necessary to do the above tasks.
www.ee.nmt.edu /~rison/ee308_spr99/objectives.html   (104 words)

  
 Motorola 68HC12 - PowerBASIC Forums
I found a nice port of gcc but wondering if anyone had any other recommendations.
They have a nice c and c++ compiler for the 68HC12, rather pricey @ $5000.00 but it does include a nice chip simulator.
They do have a lower priced version at around 500.00 whichout the chip simulator.
www.powerbasic.com /support/forums/Forum12/HTML/000273.html   (254 words)

  
 68hcxx Internet Resources
Welcome to the GNU Development chain for the Motorola 68HC11 and 68HC12 micro-controllers.
The presentation, software and hardware is based on cooperation between Beta Control and various Motorola staff.
The navigation of the site is very difficult, but if you poke around you can locate these 'free' tutorials, papers, and Webinars on important Freescale topics.
www.eeglossary.com /68hcxx.htm   (724 words)

  
 LAUTERBACH - TRACE32 In-Circuit Emulator for 68HC12
The adaption to different probes is done by changing the module.
The communication link to the host is done by the printer port, a fibre optic interface or ethernet allowing a high-speed transfer.
The ICE-12 probe is a high-performance emulation system for many derivates of the 68HC12 family.
www.lauterbach.de /ice12.html   (204 words)

  
 Encirq 3e Now Available for Motorola 68HC12/HCS12 Microcontrollers
The first ever embedded data management system for 16-bit microcontrollers, Encirq 3e, is now available and shipping by Encirq Corporation for the Motorola HC(S)12.
SAN FRANCISCO - November 18, 2003 - The first ever embedded data management system for 16-bit microcontrollers, Encirq 3e, is now available and shipping by Encirq Corporation for the Motorola HC(S)12.
A special CodeWarrior edition of the Encirq 3e Data Management Suite for the HC(S)12 will be distributed by Metrowerks, a Motorola company.
www.realtime-info.be /vpr/layout/display/pr.asp?PRID=6579   (572 words)

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