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....
3055
ChuckP98
Apr 4, 2007 5:27 pm
Hi again guys, sorry if I didn't explain it well enough, I guess that I a bit confused with what's going on myself. Okay, here's the whole thing from the very...
3056
BobGardner@...
bobgardner32839
Apr 4, 2007 5:41 pm
I have written a couple of little bootable programs for various flavors of hc11... maybe you need a custom eeprom burner that reads the srecords from the...
3057
ChuckP98
Apr 4, 2007 5:56 pm
Yes actually, that sounds about right. I am thinking that most programs I use to write my eeprom are incompatible with my setup. Reading in the *.s19 files...
3058
Mike McCarty
Mike.McCarty@...
Apr 4, 2007 7:26 pm
... Sounds reasonable. Is there a URL which could be used to download your schematic? [snip] ... This sounds correct. [snip] ... No, this does not sound...
3059
Mike McCarty
Mike.McCarty@...
Apr 4, 2007 7:32 pm
... This does not sound like what he described. He has FLASH, not regular EEPROM. BTW, EEPROM usually takes 2ms per byte in byte mode, and usually only 2ms per...
3060
ChuckP98
Apr 4, 2007 8:25 pm
AHA!!!! You guys were totally right. I got it to burn my EEPROM using my buddies TERATERM script which loads the talker files (BIN format) to the bootstrapped...
3061
BobGardner@...
bobgardner32839
Apr 4, 2007 8:33 pm
Hi Mike. I was using tech arts microstamps which used an external atmel 32k eeprom and an external 32k ram... to save params in eeprom at runtime (cant fetch...
3062
Mike McCarty
Mike.McCarty@...
Apr 5, 2007 4:57 am
... It is better to use "poll for completion". There are two ways to do that: Watch the "toggle bit" or just read back the location until it reads the same as...
3063
Mike McCarty
Mike.McCarty@...
Apr 5, 2007 8:08 am
... This started ringing faint bells in the back of my head, and I finally went back and searched. I thought maybe I remembered a wirewrapped board with a...
3064
Mike McCarty
Mike.McCarty@...
Apr 5, 2007 8:16 am
... At 05/03/2006 05:10 PM I wrote a message here which contains some code which can program external EEPROM using 64 byte burst mode programming and polls for...
3065
ChuckP98
Apr 5, 2007 7:03 pm
Thats right! It was me who asked you about the wirewrapped board with that I left in my car over the summer. I can't believe you remember that, thats...
3066
ChuckP98
Apr 5, 2007 7:12 pm
Oh, one more thing that I remembered why my board didn't work is that I was using a RS232 to USB cable. And after doing some searching around, I discovered...
3067
Mike McCarty
Mike.McCarty@...
Apr 6, 2007 4:44 am
... I dunno why not. However, you need to remember that the HC11 puts out TTL level signals, not RS232 signals. You need a TTL<->RS232 level converter, like...
3068
Bob Smith
bobsmith523236
Apr 6, 2007 3:51 pm
See below ... From: Mike McCarty To: m68HC11@yahoogroups.com Sent: Friday, April 06, 2007 12:44 AM Subject: Re: [m68HC11] Re: EVBU, E1, External EEPROM, and an...
3069
autostaretx
Apr 6, 2007 4:10 pm
... To convert that to brand names: i'd suspect that Belkin USB-serial adapters will -not- work reliably (even beyond the "break" issue), and that a Keyspan...
3070
Mike McCarty
Mike.McCarty@...
Apr 6, 2007 4:41 pm
... I still don't see any REASON why it shouldn't work. Of course, if the converter itself doesn't work, then it doesn't. :-) [snip] Mike -- ...
3071
Mike McCarty
Mike.McCarty@...
Apr 6, 2007 4:44 pm
... What I thought. If the converter works, then there should be no problem. BTW, I have a really sour taste in my mouth for all Belkin "special" cables. Their...
3072
ChuckP98
Apr 6, 2007 11:49 pm
Yup. I just did a couple of tests to prove this for myself. I have a USB to serial converter which I believe is a PROLIFIC chipset. Writing a bootstrap...
3073
Bob Smith
bobsmith523236
Apr 7, 2007 2:43 pm
... From: Mike McCarty To: m68HC11@yahoogroups.com Sent: Friday, April 06, 2007 12:41 PM Subject: Re: [m68HC11] Re: EVBU, E1, External EEPROM, and an Exhausted...
3074
Nafis Iskander
nafis_i
Apr 9, 2007 8:35 am
Hello I am kinda stuck because I have tried to produce sound to make a midi player and play midi format 0 files and import it in the ATMega 128 microcontroller...
3075
Edi Im Hof
edi_imhof
Apr 10, 2007 7:33 am
There's an other special behavior with RS232-USB converters. USB is a block interface, Rs232 a character interface. USB waits until its receive buffer is full...
3076
Bill
motorookie503
Apr 26, 2007 3:21 am
Hello to All: For those of you who are having problems getting EEPROM to work, the following, if it fits your scheme of things, is a solution. If the memory...
3077
ingenious9
Apr 27, 2007 6:15 pm
With 2 Universal Programmers (SuperPro 3000U & ChipMaster 6000) I can only read a portion of the memory addresses which is from 0000 to 0FFF with the 2...
3078
Tony Papadimitriou
aspisys
Apr 27, 2007 9:54 pm
... From: "ingenious9" <ingenious_9@...> To: <m68HC11@yahoogroups.com> ... What do you mean you can only read to $0FFF? They won't allow you to read any...
3079
autostaretx
Apr 28, 2007 4:00 pm
... The memory could easily be located in the F000->FFFF range as seen by the processor. One trick when you think it might be relocated is to look at the...
3080
evanduz
May 18, 2007 6:23 pm
I have several embedded engineering positions in San Diego, and am looking for interested direct-hire candidates. Please consider referring to your associates...
3081
ChuckP98
Jul 28, 2007 3:58 am
Hey everyone, I've got a M68HC11EVBU that might be bricked but I'm not sure, unfortunately I don't have the time or resources to mess around with this board as...
