68HC705C8
Jan Lidgren
Can anybody help me to start working (hobby at home ! Must be cheap !) with
68HC705C8 ?
I like the serial-comm. interface + ALL in one chip !
I want a assembler !
I want a simulator !
I want to know ...how I can programm (" burn" the EPROM from my PC ) I want
that program !!!!!!!!
I am 54 years old .....but very intressed to find a answer to my " problem "
( Earlier I had COSMAC 1802 as my hobby )
I live in the north of Sweden ( called Lapland )
Please e-mail me :
ja...@dorotea.se
:-)
Jan Robert Lidgren
Lycksele
Fred E. Davis
wrote:
>Hi !
>Can anybody help me to start working (hobby at home ! Must be cheap !) with
>68HC705C8 ?
>I like the serial-comm. interface + ALL in one chip !
>I want a assembler !
>I want a simulator !
>I want to know ...how I can programm (" burn" the EPROM from my PC ) I want
>that program !!!!!!!!
Check with your Motorola distributor for a M68ICS05C. For 99$US you
get a windowed MC68HC705C8A, a windowed MC68HC705C9A, an in-circuit
simulator/programmer board with DIP, PLCC and QFP sockets (it
communicates with your PC over an RS232 serial port), the operator's
manual for the board & software, cross-assembler software, simulator
software, a power supply for the board (with international mains
adaptors), 'C8A technical data, 'C9A general release specification,
HC05 appliations guide (discusses the processor and it's architecture,
the on-chip peripherals, the instruction set, and a sample application
with code), and a CD-ROM (with everything available on the Motorola
'HC05 web site, including all application notes and other
documentation). I'd say that's a pretty good deal! One caution: the
current release won't support an interrupt-driven serial receiver, so
you'll have to simulate that in polling mode. Obviously, a programmed
chip works just fine with an interrupt-driven serial receiver. I set
up a conditional assembly to switch back and forth between polling and
interrupts.
NRGarman
In article <71nfgq$8ti$1...@plug.news.pipex.net>, "Jan Lidgren" <ja...@dorotea.se>
writes:
>Hi !
>Can anybody help me to start working (hobby at home ! Must be cheap !) with
>68HC705C8 ?
>I like the serial-comm. interface + ALL in one chip !
>I want a assembler !
>I want a simulator !
>I want to know ...how I can programm (" burn" the EPROM from my PC ) I want
>that program !!!!!!!!
Check out the Motorola site:
http://www.mcu.motsps.com/dev_tools/index.html
The download area has casm05 - a command line assembler, and burn05 to program
the device via a serial port (also see application note AN499.PDF). Both of
these programs are freeware. I am not aware of a free simulator but there are
ones that you can buy - there is another area for third party tools.
The data sheet also shows how the device can program itself by copying the data
from an eprom (if you have an eprom programmer).
I have used the 68HC705C8 and agree that it is a nice chip, but if you want
cheap (free) development software you might like to consider the Microchip PIC
range.
Regards, Nigel.
Victor Fung
Jan Lidgren wrote:
>
> Hi !
> Can anybody help me to start working (hobby at home ! Must be cheap !) with
> 68HC705C8 ?
> I like the serial-comm. interface + ALL in one chip !
> I want a assembler !
> I want a simulator !
> I want to know ...how I can programm (" burn" the EPROM from my PC ) I want
> that program !!!!!!!!
> I am 54 years old .....but very intressed to find a answer to my " problem "
> ( Earlier I had COSMAC 1802 as my hobby )
jan
before you get too deep into the hc05 i would recommend
you to take a look at the pic microcontrollers also.
i am no expert on pics, or microcontrollers for that
matter, as i have started playing with 68hc11 mcu's recently,
but i have to admit that if i was better informed when i got
started, i *might* have decided to go with pics instead of
motorola chips. too late now, by now i am familiar with
the hc11 assembly language.
pics are more hobbyist-friendly, because of cost of tools,
amount of info and support out there, availability of different
models, a more limited set of opcodes, and because you can
dump the program into the chip, reset and run.
but pics also have some inconvenient things, and hc05/11's
have some advantages. some people in this group have
compared the chips in detail, much better than i could.
but my point is that you are better off knowing what your
options are, and having the chance to make an informed
decision before you get too far. look in the pic, hc11 and
mcu faqs, and www.microchip.com, and search in dejanews
for pics vs hc11.
good luck and enjoy!
--
Victor Fung vic...@i1.net
St. Louis, MO http://home.i1.net/~vicfung
Jan Lidgren
Can anybody help me to start working (hobby at home ! Must be cheap !) with
68HC705C8 ?
I like the serial-comm. interface + ALL in one chip !
I want a assembler !
I want a simulator !
I want to know ...how I can programm (" burn" the EPROM from my PC ) I want
that program !!!!!!!!
I am 54 years old .....but very intressed to find a answer to my " problem "
( Earlier I had COSMAC 1802 as my hobby )
Graham Minchin
> Check out the Motorola site:
> http://www.mcu.motsps.com/dev_tools/index.html
>
> The download area has casm05 - a command line assembler, and burn05 to program
> the device via a serial port (also see application note AN499.PDF). Both of
> these programs are freeware. I am not aware of a free simulator but there are
> ones that you can buy - there is another area for third party tools.
Even better, look at http://design-net.com/csic/welcome.htm
It has (under Tech Help | Software Library) a package called MCUez which
is very cool (assembler, linker, debugger).
I have never seen this burn05, I'm looking for it as we speak :)
Graham
Thomas LeMense
[snip]
> i am no expert on pics, or microcontrollers for that
>matter, as i have started playing with 68hc11 mcu's recently,
>but i have to admit that if i was better informed when i got
>started, i *might* have decided to go with pics instead of
>motorola chips. too late now, by now i am familiar with
>the hc11 assembly language.
[snip]
> but my point is that you are better off knowing what your
>options are, and having the chance to make an informed
>decision before you get too far. look in the pic, hc11 and
>mcu faqs, and www.microchip.com, and search in dejanews
>for pics vs hc11.
Victor:
I think that it is great that you are sharing your experiences with
learning to use a microcontroller,but I would encourage you to go on
and learn to work with the PIC processors, too. The tone of your post
seems to indicate that you have to "stick" with the 'HC11. My motto
is "once you've learned one assembly language, you've learned 'em
all." Which is undoubtedly somewhat of an overstatement, but not by
too much. Consider this: you know 68HC11 assembly, which means that
you could also work with 68HC05, 68HC09, and the 6502 with minimal
effort. Learning to work with the PIC as a "second language" will be
easier than learning the 'HC11 was, as the concepts are all the same;
storage, registers, opcodes, etc. You simply need to learn the PIC
architecture and the assembly syntax. Try it! Good Luck!
-tom
Victor Fung
Thomas LeMense wrote:
>
> Victor:
>
> I think that it is great that you are sharing your experiences with
> learning to use a microcontroller,but I would encourage you to go on
> and learn to work with the PIC processors, too. The tone of your post
> seems to indicate that you have to "stick" with the 'HC11. My motto
> is "once you've learned one assembly language, you've learned 'em
> all." Which is undoubtedly somewhat of an overstatement, but not by
> too much. Consider this: you know 68HC11 assembly, which means that
> you could also work with 68HC05, 68HC09, and the 6502 with minimal
> effort. Learning to work with the PIC as a "second language" will be
> easier than learning the 'HC11 was, as the concepts are all the same;
> storage, registers, opcodes, etc. You simply need to learn the PIC
> architecture and the assembly syntax. Try it! Good Luck!
>
tom
no doubt i have considered learning the use of pic mcu's
as well, and i probably will in the next year or so. but
as a hobbyist, i want to make good use of my investment
on hc11 tools, before i spend another $200 on pic tools
(programmer, development board, uv eraser, etc). the nice
thing about taking this as a hobby is that i am in aaabsolutely
no hurry (unlike my job...).
this is very much like programming languages. nowadays is
no longer ok to know just one language. saying 'i am a c++
programmer' is sometimes the wrong approach, you've got to
know other things, like java and visual basic, and learn what
is the right solution for a given problem.
later!
Gary Agnew
get an assembler and simulator for free.
Regards, Gary Agnew
Jan Lidgren wrote in message <71nfgq$8ti$1...@plug.news.pipex.net>...
>Hi !
>Can anybody help me to start working (hobby at home ! Must be cheap !) with
>68HC705C8 ?
>I like the serial-comm. interface + ALL in one chip !
>I want a assembler !
>I want a simulator ! [snip]
Onestone
programmer, all PICs will be in circuit programmable, with Flash in place of
ROM.
Al