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68HC11
Comp.Arch.Embedded is a worldwide Usenet news group that is used to discuss various aspects of Embedded Systems development.
We found 85 threads matching "68HC11"
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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
2005-09-20 18:51:00
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
Jeff Fox - 2004-04-05 16:03:00
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
...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 !!
DennisB - 2005-05-18 20:20:00
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
Scott McDonnell - 2004-02-12 11:55:00
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.
All thi...Help with communication between PC and 68HC11 board
2005-09-20 19:01:00
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
edick@hotmail.com - 2005-06-10 20:05:00
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...Re: Using C to program the 8051 family
Mark - 2004-01-02 15:31:00
"CBarn24050" wrote in message
news:20040102134850.26263.00002221@mb-m06.aol.com...
> Hi, I did once try with the 2500 compiler but it was hopeless, once I went
back
> to assembler it all worked out fine.
I haven't used the 2500AD C compiler for the 8051, but if it's anything like
thei...Strange behaviour, I/O port, 68HC11
bruce varley - 2004-10-17 07:32:00
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
2007-10-27 07:42:00
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...Re: 68HC11 Asm - Hand Assembly
peter - 2005-05-17 02:43:00
Hi,
try this for assembly and testing (free HC11 simulator):
http://mypage.bluewin.ch/a-z/peter_bruenisholz/
Regards
Peter
...Re: which CPU are you using?
Leif Holmgren - 2004-10-03 08:28:00
dasdd wrote:
> which CPU are you using?
68HC11
...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.)?
...Re: MC68HC705C8
Allen Bong - 2008-10-16 13:52:00
On Oct 16, 2:45=A0pm, Rafael Deliano wrote:
> =A0> or is there an easy circuit
> Section 9 in the datasheet/bookhttp://pdf1.alldatasheet.net/datasheet-pdf=
/view/4195/MOTOROLA/MC68HC7...
>
> =A0> to read the memory contents?
> They do have a security bit in the Option register that m...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 ...uP guru needed - Athens, Georgia
2005-11-09 21:40:00
I'm helping someone look for a good microprocessor assembly language
programmer (68HC11 preferred, or willing to learn it) and is in Athens,
Georgia, or willing to commute there at least twice a week. The
candidate should preferably have a master's degree.
If interested or if you want to reco...68HC11 PORT B
john - 2006-01-24 09:54:00
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...Getting Gdb to talk 68hc11 Evaluation Board
Dean - 2006-02-08 08:07:00
(gdb) set remotebaud 9600
(gdb) target sim
Connected to the simulator.
(gdb) load hello.elf
Loading section .text, size 0x8b lma 0x0
Loading section .rodata, size 0xe lma 0x8b
Start address 0x0
Transfer rate: 1224 bits in ...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 old notes about what ...Re: Monitoring an 68HC908JB8 under linux
Clifford Heath - 2004-02-04 19:35:00
Without heaving read all of this thread, you should look at the
ASYNC_LOW_LATENCY setting in the termio ioctls. Linux will delay
interrupting a program doing serial I/O until a certain time
has elapsed or enough characters have arrived to make the context
switch efficient.
I found this when a...Re: Embedded processor selection for long-life product
Vladimir Vassilevsky - 2008-07-07 10:16:00
MikeWhy wrote:
> Dude! The OP said "decades". I'm thinking 1982 compared to today; today
> compared to 2035.
Z80 is still available, and so is 68HC11. Those parts have good chance
to be in production until 2035, too :)
Vladimir Vassilevsky
DSP and Mixed Signal Design Consulta...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...Re: Looking for 6800 binary compatible CPU
Roberto Waltman - 2004-09-24 00:38:00
wrote:
> I'm looking for a modern day CPU (preferably with flash and RAM) that is
> binary compatible with the Motorola 6800. Does such a beast exist?
All the Motorola 68HC11 variations are upward compatible with the
6800. (except maybe in minor details like the location of interrupt
ve...Re: What micros do you actually like to work with?
Jason - 2006-10-06 22:03:00
I'll toss my hat in for the AVR micros, mostly because they seem to have
the best C compiler out there. It seems to be very efficient so I
don't feel so bad when not writing in asm. They also have some very
powerful hobbiest parts that fit into DIP packages. I did some work
with Motorola 68H...Microprocessor & full fledged RS232
QBA - 2004-02-17 19:13:00
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
...Re: Need advice: want to enter the Embedded field
GaryKato@aol.com - 2006-03-30 13:07:00
I'd take some of your money and buy some development kits. You can get
a PICDemo board with theri hockey puck debugger for pretty cheap
(www.microchip.com). If you want, spend some extra bucks on a C
compiler for it. Or you could go the similar AVR route (www.atmel.com).
There's probably tons of...Re: What is the simplest CPU GCC is ported for?
mmihai - 2007-03-09 20:41:00
On Mar 9, 4:28 pm, Steve Calfee wrote:
> When looking at a really weird cpu arch and wanting to
> simulate/benchmark it the question quickly becomes what about tools. I
> think for really different arches that is a significant problem.
>
> GCC in its bones believes in 8 bit bytes, words...Look for a microprocessor trainer
2005-09-16 15:03:00
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...Re: breakpoints with MSP430-gdb
Clifford Heath - 2004-09-23 06:47:00
CBFalconer wrote:
> However I would hardly call it branch prediction -
> it is simply a matter of knowing all the possible next instruction
> locations for any instruction.
Understand. That can work also, though to predict the location of a
branch in the 68HC11 you sometimes need to consid...Re: Stepper Drivers
Jerry Avins - 2007-08-13 21:02:00
Tim Wescott wrote:
> I've got a client in a bind. He's designed in these parts:
> http://www.interinar.com/stepper%20driver%20BSD-02.htm, but the vendor is
> out of stock.
>
> Does anyone know of replacements I could recommend? The essential specs
> are that it should take step, direc...Re: Challenge: Motorola SC85370P
Clint Sharp - 2008-07-08 12:28:00
In message , Michael A.
Terrell writes
> I know exactly what it is. Pure unobtanium. The 'SC' prefix is a
> proprietary marking for a big OEM customer, so the only way to get
> information is to squeeze it out of that OEM.
>
>
But knowing what it's on, what package etc. might be ...Re: hc11 tutorial
Jeff Davis - 2004-02-01 18:57:00
The books I used were "Microcontroller Technology The 68HC11" by Peter
Spasov.
And the HC11 M68HC11 Reference Manual.
The "Microcontroller Technology" book uses assembly language.
Sorry, I am not aware of any tutorials on the internet.
"ritu" wrote in message
news:ed708fc9.0402010300....Re: RSA on 8bit micro
Francois Grieu - 2007-02-01 08:19:00
In article ,
"tum_" wrote:
> What's the least powerful cpu you have had implemented RSA
> for? Was it some PIC model or was there something even more
> inferiour?
6502, back in 1979. No hardware multiplier. Did multiplication
using shift-and-add, with the core loop unrolled and co...Re: FTDI & Win/D2xx driver questions
Clifford Heath - 2006-07-31 02:07:00
Johnny wrote:
> I have written software for Linux/UNIX using non-blocking reads/writes,
> but the Windows side is very new to me. I would hope the FTDI driver is
> non-blocking...
For Linux, you should also look for the ASYNC_LOW_LATENCY option,
which also affects writes to normal seria...Re: RSA on 8bit micro
Francois Grieu - 2007-01-25 07:25:00
In article ,
W Trembyle wrote:
> I'm working with a Cypress PSoC micro with an M8C core (CY8C29666).
> I have 32K ROM and 1K RAM. I need to implement 1024 bit RSA encryption
> in as small a footprint as possible.
Is the application encryption, or signature verification (like
in ins...Re: 8- to 16-bit Embedded System Upgrade
Clifford Heath - 2004-07-29 03:26:00
David Brown wrote:
> You are thinking of a "gdb stub", not gdbproxy.
Correct, sorry for the mistake. I was going to implement a gdbproxy
in my DL11 68HC11 debugger. I used a talker that fitted in the 256
bytes of RAM (or used 11 bytes once it was loaded into (E)EPROM),
so a gdb stub wouldn't...Re: Hi-tech C libc _doprnt.c fprintf.c needed
2007-02-03 04:05:00
Dan Henry writes:
> The OP states:
> > I am using Hi-tech C on an arch for which Hi-Tech for whatever
> > reason didn't provide the libc sources;
>
> Did lib source come with those older architectures? Just curious.
A quick survey:
68HC11: yes
H8/300: yes
ARClite, nee V8: yes
...Re: undocumented PIC16 opcodes
mc - 2007-07-02 11:42:00
"Rolf Blom" wrote in message
news:f6b1ru$mq6$1@news.al.sw.ericsson.se...
> I remember one time a (non-PIC) cpu was acting funny, due to an
> undocumented opcode that got into a corrupted binary.
> The opcode caused the cpu to start excercising its address bus in a
> sequential pattern...