Post Created date
uart echo in assembler
7.372800 & 38400 should fit with no errors ? When bringing up serial systems for the first time, it is a good idea to send a pattern first, that way you can verify your baud...
Monday, 29 July 2013 - 07:42
Software for testing .hex
could run my software (.hex) I think you mean a Simulator ? What is your development system ? It likely has a simulate mode. Note that simulators are best for code that depends...
Sunday, 28 July 2013 - 21:04
Trying to use a 4094 shift register, to no avail.
Usually with a 4094, you would clear LE during shift. Your code has OE.LE low, until after the first shift, then it stays high - that will wiggle the 4094 pins during shift....
Thursday, 25 July 2013 - 23:45
ATXMEGA or ARM for new project?
AloAtmel82 wrote: In our future machines we will need the following things: .... That's quite a wish list, and you do not mention package or price or volumes. It is rare to do...
Wednesday, 24 July 2013 - 03:24
Trying to use a 4094 shift register, to no avail.
powercat wrote: Still getting all LED's on solid. The 4094 has a LE strobe, so you can leave that high, to see the shifting action. If you do not have a scope, try it with LE=hi...
Sunday, 21 July 2013 - 04:40
Switching "big" DC motor
js wrote: At the moment the required current is 30A but I think it may go up to about 50A in the future. Modern FETS are going to be similar or lower than the PCB resistance,...
Saturday, 20 July 2013 - 05:59
.org in Atmel Assembler2 ??
ka7ehk wrote:Thanks, folks. I just woke up, remembering my 8051 Avocet days, where it seemed that we had to, or did as a matter of folklore, put a .org 0000 at the start of every...
Friday, 19 July 2013 - 20:46
Building a Clock (Assorted Questions)
floridaEE wrote:Hello, 1. Should I drive a complete LCD, like one of the Newhaven Displays (http://www.digikey.com/product-detail/en/NHD-0216BZ-FL-YBW/NHD-0216BZ-FL-YBW-ND/...
Tuesday, 16 July 2013 - 05:43
Stretching a 2ns pulse to 100us?
If you do not want proportional stretch, then all you need is a S-R latch or FF, and the slower time domain can clear it, ready for the next pulse. ( ie an AVR could do the...
Friday, 12 July 2013 - 11:32
[C] Rotary encoder
StremX6 wrote:Done. There is functional routine for reading the rotary encoder. You should include the lines that set up INT0, with comments saying what modes it is fired by.
Friday, 12 July 2013 - 02:10
The return of the PMOS
hobbss wrote: The FET should be completely off if Vsg is 0V (as it was measured). 'completely off' is relative. Use a meter to measure Vgs, and switch to current mode to check...
Thursday, 11 July 2013 - 21:27
Is RS232 based bus possible?
assadmahmood wrote: 2- no issue, either to use it in chain or in star format. 3- length would be about 1 to 2 feet approx. If you can use chain, then things change considerably....
Wednesday, 10 July 2013 - 00:57

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