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68HC11 in Comp.Arch.Embedded
Comp.Arch.Embedded is a worldwide Usenet news group that is used to discuss various aspects of Embedded Systems development.
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Looking for 68hc11
xxx - 2006-01-16 07:40:00
I'm looking for some 68hc11 chips in PLCC package. Mainly 68hc811e2
Thanks
Alessandro
...
Help with communication between PC and 68HC11 board
Started by Unknown 8 years ago
Hi to all:
I'm just getting back into this stuff. I built and got working a
68HC11 board. I have two processors: a 68hc11A1FN and the 68HC11E2F
...68HC11 clocks
Started by Jeff Fox 9 years ago
In some literature about the 68HC11 I see a reference to an 8Mhz
crystal and a 2MHz eClock. Instructions execute in a given number
of clock cycles, but which clock?
Best Wishes,
Jeff Fox
...68HC11 Asm - Hand Assembly
Started by Mickey 8 years ago
Hi,
I am writing to ask if anyone knows how to hand assemble a simple
68HC11 program?
My problem is getting the op code.
I am using the standard instruction set.
I know that you have to count the number of CPU cycles for each
instruction.
Does anybody know of a good tutorial on this?
T...jsr changing registers in 68hc11?
Mr Dump - 2007-04-04 09:56:00
Hi All, I hope this is the right forum, I have a 68hc11
microcontroller, and im using BR to debug my buggy code (it has the
Buffalo monitor)
The gist of it is: I load numbers into registers and then jump to a
subroutine, i check the numbers before and after the jump, but they
have changed- any ...Help, need help with an old 68hc11 assembler !!
Started by DennisB 8 years ago
Howdy,
Hope somebody can help.......
I'm working on a project with an old American Automation Inc 68HC11
assembler and linker, dating back to 1988. AS68HC11.EXE and AALINK.EXE
I tracked down the company, now American Arium, but they stopped
supporting the product and 'threw out all th...newbie, sorta
Started by Scott McDonnell 9 years ago
Hello all,
I am a second year "electronics technology" student who just finished a
course in
microprocessors. This was using a 68HC11 based trainer. We learned Machine
Language programming, and I taught myself assembly language for the 68HC11.
We also learned interfacing using a PIA...Help with communication between PC and 68HC11 board
Started by Unknown 8 years ago
Hi to all:
I'm just getting back into this stuff. I built and had working a
68HC11 board. I have two processors: a 68hc11A1FN and the
68HC11E2FN. I take and replace each when I want to use a particular
one.
I had this thing working like a champ about 1 year ago, put it down,
and can't ...old (1985) 68HC11 EVB schematics needed
Started by edick@hotmail.com 8 years ago
In '98 I posted the following:
=========================================
Richard Erlacher Sep 8 1998, 3:00 am
Newsgroups: comp.arch.embedded
Date: 1998/09/08
Subject: 68HC11 EVB Schematics, etc.
I have, after 10+ years, found that I've misplaced or lost my
schematics for the ORIGINAL (1...Strange behaviour, I/O port, 68HC11
Started by bruce varley 9 years ago
Hello,
This is probably becoming a legacy topic. I hope there's someone out there
who can assist.
According to the 68HC11 reference manual, Port A PA3-6 can be general
purpose outputs, or driven by timer output compare functions. If one
disables the latter then it should simply be a matter ...Program LCD HD44780 with 68HC11 in Handyboard
Started by Unknown 6 years ago
Hello,
for a school project i need to program the Motorola 68HC11 to use the
HD44780 LCD controller, and this must be done in C lang plus maybe a
bit of assembly.
The 68HC11 uC is embedded in a HandyBoard (www.handyboard.com).
The Handyboard gives the following problem:
The Handyboard ha...mixing C and assembly
Lax - 2008-04-22 04:50:00
Are there any situations where programming an embedded processor
"requires" at least some assembly code?
How about for AVR, MSP430, 68HC11, 8051(Atmel)?
Can these 4 microcontrollers be programmed fully in C without touching
assembly (even interrupts and etc.)?
...Debugging assembly
rasega - 2005-11-24 09:27:00
Hi all,
I'm writing some routine for a Motorola 68HC11, but
it seems that debugging the code in assembler is a little bit difficult
!!
Please, what software do U suggest me to simplify this job ??
Assembling the code with asmhc11.exe give me back many errors,
but not what this error are and ...68HC11 PORT B
Started by john 7 years ago
Hi,
I am having problems with the port B. Its an output port and I am
writing the whole port. My code is as follows
ORG 2000
LDAA $# FF
STAA $1004
Now, if I write 00 hex or FF to theport. The port is always floating.
I tried pull ups and pull downs but no difference. Please advice.
...HC11 Transistor Architecture
harivj - 2005-11-02 08:17:00
Hai
Is there anybody give me guidance about RTL implementation of the complete
68HC11. I am involved in design of one such at transistor level and none of
the book or online reference talk about pure hardware implementation. All I
could see is how to program a HC11 but not how to build one. Any
i...BUFFALO error messages
mc - 2006-09-19 18:36:00
Greetings,
I'm not very familiar with the Motorola 68HC11 but am teaching a course
using it. What does it mean when BUFFALO gives an error message such as
"ROM 2000" or "ROM 1384"? I don't recall the circumstances under which the
error was displayed (I'm working from o...Looking for Archimedes C compiler v.3.20D/DXT
skyspyco - 2006-09-11 10:54:00
Hi all,
As the subject states, I need a copy of Archimedes C compiler (and
related linker, libs, etc.) for the 68HC11, version v.3.20D/DXT
(version 4 considered as well). It was released circa 1993. If you
have it and would like to sell, please contact me ASAP
(skyspyco@hotmail.com) and mak...Microprocessor & full fledged RS232
Started by QBA 9 years ago
Hello,
I need an eval. board preferably with 68HC11/12 that has full fledged RS232,
most importantly RTS and parity manipulations -- changing mark parity to
space parity from one byte to next. Do you know any such eval. board?
Thanks!
QBA
...Look for a microprocessor trainer
Started by Unknown 8 years ago
Hi to all:
I'm looking for a microprocessor trainer that I can program in
assembly language, maybe C, and having a usb connection.
It would be nice to have a hex keypad on the board as well. I'm
familiar with the 68hc11 and the Z80, 8085, etc...Maybe want to make a
step up.
I want to wo...need a board automotive
dumike - 2005-10-17 20:07:00
Hello everyone,
I'm not a regular here but it seems to be the right place to ask.
I am working on a project for a student racing team and I have to
design a control system for one of the parts. The system will have to
accept a few inputs and control several motors based on the
calculations....Req for info on Motorola cpu
Started by John Dyer 9 years ago
I'm working on an engine management controller from an early 90's car,
(Mazda MS-6) which
uses an ECU made by Nippon Denso. Most of the technology is easily
identifiable due to its
age, unlike more modern units.
This unit is based around Motorola chips, including a 6821 pia and a 6840
timer....Question about industry trends on Embedded Systems Programming
Me - 2006-07-31 16:03:00
Hi
After a long break (5 years) I would like to spend some time with
embedded systems programming and I would like to start developing with
an apropiate SDK. Goal is to gain experience and some training that is
compatible which current industry trends. At the university I had some
experience ...Setting the RESET vector on a 68HC11A0
hjartar@googlemail.com - 2007-02-15 09:56:00
Hello all,
I am trying to "reverse engineer" some older 68HC11 based equipment. I
got a hold of some nice circuit boards with general purpose I/O and
since I liked working with 68HC11's some 10 years back I got
nostalgic. Only thing is that these are 68HC11A0FN's and therefore
witho...steps towards industrial design
Started by Stephen Thomas 8 years ago
Could anyone test the even distribution of power from a PIC based white
noise generator? It would be great to hear from somebody with an audio
workshop....
More generally I am very interested in joining forces with one or two
embedded engineers (possibly around the world communicating by emai...