How should an unused 4XOUT pin on a 68HC11F1 be terminated? What might happen if 4XOUT is not terminated properly? Thanks, Dan...
3026
Anushka Parab
a_parab@...
Dec 29, 2006 4:23 am
Dear yahoogroup, Kindly Help to solve the backlight issue My project is in very critical stage because backlight of the LCD not working We have the Winstar LCD...
3027
Anders Friberg
anders.friberg@...
Dec 29, 2006 11:31 am
... If the backlight works ok, it may not be a problem with the inverter itself. No extra loads should be necessary if the backlight is connected to the ...
3028
Anushka Parab
a_parab@...
Dec 29, 2006 1:48 pm
Thank you for your reply, Actually Backlight of LCD is not working . We have the inveter Which has practical characteristic Inverter (Without any load...
3029
Anders Friberg
anders.friberg@...
Dec 29, 2006 2:46 pm
... You could follow this procedure: A: Confirm that the inverter and lcd backlight is connected according to the manual (note plus/minus inverter input I/G)....
3030
bigdecember
Dec 31, 2006 1:35 am
does anyone know the command to generate a cross reference. I am able to generate the symbol table but not the cross reference table. your help is greatly...
3031
bigdecember
Dec 31, 2006 2:12 am
I am looking for a hardware emulator for use with a 68HC11F1 processor. I am using Avocet development environment that can produce IEEE695 file format. thanks...
3032
Homer Simpson
odddooo1
Jan 11, 2007 5:13 pm
... Dan, You don't HAVE to terminate this output; however, if you want to, just to be safe, you can terminate it to ground through a 10k-100K ohm resistor....
3033
Homer Simpson
odddooo1
Jan 11, 2007 5:24 pm
... Nizar, This website might help: http://www.robot- electronics.co.uk/htm/cm02tech.htm Lance....
3034
yuldu25
Feb 19, 2007 7:17 am
Hi all, I just made a firmware update on an old project with 68HC11F1. I have seen there is sometimes a reset (1 a week). The COP, the CME are enabled. I use a...
3035
Mike McCarty
Mike.McCarty@...
Feb 19, 2007 7:58 am
... As I pointed out earlier, the vectors can send the COP and CME to different locations. ... That simply means (I think) that you are not getting a COP...
3036
yuldu25
Feb 19, 2007 10:18 am
Hi Mike and thanks for your help, I generate an endless loop in the program (intentionally), when the COP is disabled there is no reset. But when the COP is...
3037
Mike McCarty
Mike.McCarty@...
Feb 19, 2007 5:27 pm
... Well, that's normal for most embedded programs. Is this a special program for testing? ... Ok. If you aren't "tickling"; the COP, then you should get one. ...
3038
Ian Rumble
IanR@...
Feb 19, 2007 11:55 pm
... Hi Julien, It sounds like the original system COP reset was sufficient to just maintain the COP reset near the end of its timing period. When you made the...
3039
yuldu25
Feb 20, 2007 7:37 am
Hi Mike and Ian, For the endless loop, here is a part of my main: ****************************************************** iForcres=0; /*This variable is used...
3040
Mike McCarty
Mike.McCarty@...
Feb 20, 2007 7:02 pm
... Ok, so this is a test program for experimentation. I'd cut out Check_Comms() for testing. ... How much time can Check_Comms() take? You can figure the...
3041
yuldu25
Feb 21, 2007 7:47 am
Hi and thanks again, Well, I'm not using a monitor, I can't do a memory dump and the program is : 28 298 bytes of CODE memory (not enough place for a monitor) ...
3042
Mike McCarty
Mike.McCarty@...
Feb 21, 2007 10:01 am
... That was my suggestion. Remove Check_Comms() (and all it calls) and just get something that detects COP failure first. ... Mike -- ...
3043
electrodimm
Feb 23, 2007 8:26 pm
Hi, Can anybody explain me how to manage the bank switching with the GNU C compiler ? Dimmu...
3044
Mike McCarty
Mike.McCarty@...
Feb 23, 2007 9:40 pm
... Wrong forum. Try gnu-m68hc11@yahoogroups.com I'm sure someone there can help. Mike -- p="p=%c%s%c;main(){printf(p,34,p,34);}";main(){printf(p,34,p,34);} ...
3045
PFC
pfc@...
Mar 13, 2007 10:01 pm
A little bit off the topic of spicific HC11's. For the past few years I have been using a compiler which allows a bit within a register to be defined with a...
3046
BobGardner@...
bobgardner32839
Mar 14, 2007 12:02 am
You can use #define to name each bit... the trick is whether you name it as a mask... a power of 2 like 0x80 0x40 0x20 0x10 0x08 0x04 0x02 0x01... or as a bit...
3047
Mike McCarty
Mike.McCarty@...
Mar 14, 2007 8:27 am
... It has nothing to do with the '11 at all :-) ... You now understand the importance of writing portable code. The use of struct and union is inadvisable, as...
3048
PFC
pfc@...
Mar 14, 2007 8:48 am
Bob, Thank you for your reply. I was looking for something which was a bit cleaner than the bit toggling. I have written code for another processor using a...
3049
PFC
pfc@...
Mar 14, 2007 9:21 am
Mike, ... Surprisingly enough it does, for my query. I am porting code to the ICC compiler for some 11F1 applications for test purposes. I agree that this...
3050
Oliver Betz
obygr
Mar 14, 2007 10:03 am
... No, this is _only_ "a generic C code question" IMNSHO. ... you can use them right or wrong, for example... ... ...using proprietary functions without need...
3051
Edi Im Hof
edi_imhof
Mar 15, 2007 7:13 am
... You can't avoid bit toggling, that's the way the processor works. But you can hide it. (Note: the following #defines should be on one line each and one ...
3052
ChuckP98
Apr 4, 2007 4:00 am
Hi everyone, I'm glad to see so many people still have interest in this ol' chip. I a couple of questions for you knowledgeable folks out there who have more...
3053
Triffid Hunter
triffid_hunter
Apr 4, 2007 7:13 am
... Not sure what your problem is, but if you want some more code to test with, check out my site at http://hc11-ide.funkmunch.net specifically the code in...
3054
Mike McCarty
Mike.McCarty@...
Apr 4, 2007 4:22 pm
ChuckP98 wrote: [snip] ... Well, I didn't reply because I couldn't understand what your problem was, and figured someone else might be better able to help....
