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68HC12

Group Information

  • Members: 1252
  • Category: Microcontrollers
  • Founded: Mar 29, 2002
  • Language: English
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Messages 9654 - 9683 of 17044   Oldest  |  < Older  |  Newer >  |  Newest
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9654 Michael Huslig
mhuslig@... Send Email
Mar 1, 2005
2:17 pm
Kieran, Is this also true of the 68hc11f1, 68hc11k0, 68hc812a4? We have become frantic here after seeing the 'not recommended for new design' message on all...
9655 Stephen Trier
sct@... Send Email
Mar 1, 2005
3:30 pm
Salvador, Is svc_malloc declared with a function prototype before you use it? The problems you describe could be caused by a type mismatch caused by an...
9656 Salvador Tenorio
salvador_ten... Offline Send Email
Mar 1, 2005
3:46 pm
Steve, Thanks for the answer. Yes I have correct prototypes for everything. it is very weird what I saw. I remember that sometime ago I was getting an error...
9657 Mike
mikesuthy_1 Offline Send Email
Mar 1, 2005
9:41 pm
Hi all, I've been working with the 9S12E128 MCU and have found an interesting problem when using metrowerks code warrior. On my program execution, an illegal...
9658 tonalbuilder2002
tonalbuilder... Offline Send Email
Mar 2, 2005
3:23 am
Just recently I ran into a similar problem in the same part of start12.c code. The problem appeared when I started tinkering with compiler optimization...
9659 Mike
mikesuthy_1 Offline Send Email
Mar 2, 2005
8:39 am
Yes that also works ... there is an optimize for size setting in the same code area ... depending on what you have selected drops in different copy down code. ...
9660 Jefferson Smith
imajeff84663 Offline Send Email
Mar 2, 2005
4:14 pm
My employer is using M68HC705B16 which was obsolete 10 years ago. It was only a few months ago that we had a hard time buying this because it's no longer...
9661 Daniel Friederich
danielfriede... Offline Send Email
Mar 2, 2005
7:01 pm
Actually this has been fixed in the start12.c contained in the HCS12X V4.0 release (which does not target HC12/HCS12 directly, but the start12.c it contains...
9662 the_oog6789 Offline Send Email Mar 2, 2005
10:18 pm
Hi All Each port has a register for enabling a pull up or down device. I was just wondering if that is just two internal resistors? Enabling one or the...
9663 Jefferson Smith
imajeff84663 Offline Send Email
Mar 2, 2005
11:45 pm
No I think more like active devices. They are also weak, so you don't have to pull much current in the other direction to change the level....
9664 Mr angel castillo
eltachonder Offline Send Email
Mar 3, 2005
12:16 am
you should load your program in RAM try with ORG $800 ... _________________________________________________________ Do You Yahoo!? La mejor conexión a...
9665 abliviax Offline Send Email Mar 4, 2005
2:24 am
Hello, I can't get the SCI1 on my E128 EVBU working. I can't read characters or send characters using it. I have set the reciever enable and transmit enable...
9666 Stephen Trier
sct@... Send Email
Mar 4, 2005
3:34 pm
Abliviax, If you have the board's schematic, you can save a lot of time by reading it, even if you have no other documentation on the board. I wouldn't work...
9667 eugeniovoss Offline Send Email Mar 4, 2005
6:06 pm
Hi everybody. I designed a board with a MC9S12A256C that's running at 10MHz of internal bus (xtal=3.579Mhz) and i write in flash a lot. The thing is that the...
9668 Dave Perreault
daperreault Offline Send Email
Mar 4, 2005
10:49 pm
Are you sure you did not secure the device.. What do you mean by "i write in flash a lot"? ... [Non-text portions of this message have been removed]...
9669 taggart62004 Offline Send Email Mar 4, 2005
11:16 pm
For a M9S12DP256C using the ImageCraft compiler, will variables declared as an int be 16 bits or 32? Thanks fo rthe help!...
9670 BobGardner@...
bobgardner32839 Offline Send Email
Mar 5, 2005
1:41 am
In a message dated 3/4/05 6:20:15 P.M. Eastern Standard Time, whexican@... writes: will variables declared as an int be 16 bits or 32? In the menu bar...
9671 Salvador Tenorio
salvador_ten... Offline Send Email
Mar 5, 2005
2:49 am
You can look at the help as it was suggested already, I also suggest you use type definitions for different data sizes that represent the exact number of bits...
9672 Kerry Berland
kerryberland Offline Send Email
Mar 5, 2005
2:54 am
According to some people from Freescale we talked to yesterday, that NOT RECOMMENDED FOR NEW DESIGN notice got put on a lot of parts across several MCU...
9673 BobGardner@...
bobgardner32839 Offline Send Email
Mar 5, 2005
3:05 am
In a message dated 3/4/05 9:51:46 P.M. Eastern Standard Time, salvador_tenorio@... writes: I also suggest you use type definitions for different data...
9674 Salvador Tenorio
salvador_ten... Offline Send Email
Mar 5, 2005
3:35 am
The benefit I mostly get is this: I am now developing common code for both x86 (Pentium) and HCS12. The source files therefore have the same U8, U16, U32 etc,...
9675 Salvador Tenorio
salvador_ten... Offline Send Email
Mar 5, 2005
3:53 am
I just recalled another advantage as soon as I went back to work, here it goes: I normaly do all my automated unit testing on the PC regardless of what the...
9676 Jonathan Masters
jemtech1964 Offline Send Email
Mar 5, 2005
5:19 am
I am trying to build small "services" that are loaded in pages of a DP256 device. The services are actually tasks in a multitasking environment. While I am...
9677 BobGardner@...
bobgardner32839 Offline Send Email
Mar 5, 2005
1:32 pm
Thanks for the reply, Sal. Good explanation.. I can see an advantage for 'multiple platforms'. My experience has been that not much source can be used between...
9678 Salvador Tenorio
salvador_ten... Offline Send Email
Mar 5, 2005
6:58 pm
Changing code is not as painfull as it seems. In my begining years, I used to use different names for these variables, like byte, word, dword, etc. Then when I...
9679 Salvador Tenorio
salvador_ten... Offline Send Email
Mar 5, 2005
7:15 pm
By the way, I also planned for big/little endian since I obvioulsy am working in both worlds. In this case is simple, I isolate those processor dependencies in...
9680 domi2c Offline Send Email Mar 6, 2005
3:20 pm
Hi everybody I've bought a miniDragon board from Wytek and been trying to run the IIC block. But I'm lost in the Motorola documents. All I would like to have...
9681 pi eng
eng_pi Offline Send Email
Mar 7, 2005
12:54 am
Hi, When you say you write to the flash often, can you calcuate how often you did write to the flash? Has it exceeded the max number of permissible write...
9682 marcelmenne Offline Send Email Mar 7, 2005
6:39 am
Hi all, I want to programm a delay function in c, which can delay the hc12 xx seconds: void delay (int seconds) { ...; } Are there ready tested delay...
9683 Patrick Gempeler
Always_Funy Offline Send Email
Mar 7, 2005
7:20 am
Hi, do you really want to program a delay with a simple loop, which the processor "stops"? If you program a loop like you wrote below, you can't make anything...
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