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Bob, The HC11 divides the crystal by 4 for the bus clock so if you use a 8 MHz crystal you end up with a 2 MHz bus. The HC12 family divides the crystal by 2...
1321
Kelley, Dale
Dale.Kelley@...
Nov 1, 2002 2:19 pm
Bob even at the same clock speed the 12 will out perform the 11, look at the instruction cycle times Dale ... From: Bob White [mailto:bob@...] Sent:...
1322
Bob Furber
bob@...
Nov 1, 2002 5:07 pm
I wonder if any of the gurus on this list can tell me what is understood by Reset (.ar) and Preset (.ap) when programming registers in a CPLD using Able? I...
1323
Stephen Trier
sct@...
Nov 1, 2002 5:27 pm
Bob, Can you compromise by doing the last divide-by-two in software? It's just a right-shift, plus a software counter to extend your count to as many bits as...
It has been 10+ years since I've used Abel (we use Altera CPLDs and Max-Plus II these days) but the syntax I remember is just what you stated. "ar" stands for...
Yes, you are right, SER_RST_EN will be set when !HRESET is true (you need a ';' to make that a syntactically correct statement, though). Another legal...
1326
Bob Furber
bob@...
Nov 1, 2002 7:44 pm
Thanks Alan & Janos, for clarifying terms that everyone knows and takes for granted ..except me. Bob Furber ... sets ... to ... effects ... be ... only ... ...
1327
John Woods
jwoods@...
Nov 5, 2002 1:38 pm
Can anyone recommend a source for 68HC912DP256? I was looking at digikey, motorola and future-active but could not find any....
1328
Carl Barnes
techart@...
Nov 5, 2002 3:42 pm
You should have better luck with this part number: MC9S12DP256 Best regards, Carl Barnes www.technologicalarts.com "complete line of modular HC11 and HC12...
Greetings everyone, We're developing a product based on the 9S12A128B. We've been developing using codewarrior(ugh) and the 9S12DP256 eval board from...
Hi everybody. I´m working in my career-end project with CodeWarrior IDE in order to program the HC12 of the PC9S12 microcontroller, but there´s no way I...
Hi everyone, I'm thinking in using USB with my 812A4, instead of the typical RS-232 or RS-485 interface, but I know very little about USB... Did anyone...
Jason, ... http://groups.google.com/groups?hl=de&lr=&ie=UTF-8&group=codewarrior.embedded The 9S12A128B needs different flash programming (other than the...
Have a look at the FT8U245AM from FTDI. Its a USB UART, so you pass in the raw data via an eight bit bus, it parcels it up in all the USB info and sends it out...
1336
Louis Eames
louis.eames@...
Nov 6, 2002 1:39 pm
I will be using the PDIUSBD11 from Philips or the AK4170 from AKM semiconductor. I havent tried them yet! Louis ... From: André Ribeiro...
... I used USBN9603 USB specs 1.1 from National with the Adapt812 from Techart. The hardware is easy to implement, wrote a small test to software to...
Cypress works great -- you can use nonstandard bauds that match those you can get with the HC12 (62.5K). The Cypress solution doesn't look like a "virtual...
1340
Dr. Horst-Peter Heimes
d.heimes@...
Nov 6, 2002 4:08 pm
Hi developer -(friends..), IRDA specialists! I am working heavily on interfacing Irda between (HP-) Windows-IRCOMM and our 68HC12DG128A board. We use a...
Why would the A part need different Flash Programming than the DP part? It should be the same Flash technology in all 9S12 MCUs. To me it sounds like a...
Hello all, I am currently using a 912DG128 with two CAN peripherals. I only use one but I am wondering if there would be any problem with connecting just the...
Thanks a bunch for your help! I finally managed to get the flash programmed, but I'm not exactly sure why it works now. Basically I created a new project with...
I have not actually done what you are suggesting (parallel receivers), but I have thought it through and I believe that it is feasible. I think that I have...
1345
R Scherrenburg
r.scherrenburg@...
Nov 6, 2002 7:12 pm
Could you tell wich part from Cypress you have used. We are looking to use part for Cypress, and experiences are always welcome. Thanks for any info Ronald ......
1346
Patrick Nefos
patrick.nefos@...
Nov 6, 2002 7:26 pm
Ronald: There is a 908JB8 part from motorola (has application ckt, etc) on their web site if you want to keep all mot code. I "think" they have a 2.0 part out,...
Hi Trevor, I think that what you're trying to do would work because the Rx port will see the Ack bit from the other connected port. But, you might consider...
CY7C64613 series -- I actually used the 80-pin version (CY7C64613-80NC), which is now unavailable, but the 128 and 52 pin versions are easy to get. If you...
Hello All-- this is my first time transmitting to this group. I'm trying to get CAN interrupts working on HC12BC32 using ImageCraft ICC12 I've added these to...
Scheduled Maintenance:
We are undertaking some essential, but extensive maintenance to improve Yahoo!
Calendar. Your Group Calendar is being migrated to a much improved version of
Yahoo! Calendar. During the maintenance period, you may not have access to your
Groups Calendar.
We sincerely apologize for this inconvenience. Your Groups Calendar is in great
shape and we are working to have it available again as quickly as possible
- Yahoo! Groups & Yahoo! Calendar Team
