Type in the full discussion title or a part of it.
Discussion Title Created date
Avcc & Brownout detecion interaction
Hello: I ran into a strange problem, that turned out not to be so strange. My mega 168 would not run & seemed to be related to the brownout fuse setting. Though the processor...
Saturday, 1 September 2007 - 04:55
16 x 24 multiply wanted
Hello: In a bit of a hurry---does anyone have a 24x16==>40 bit assembly unsigned multiply routine handy (using the MUL instuction rather than a loop). Much appreciated Hoyt
Thursday, 30 August 2007 - 08:01
SPI port question (DDR_SPI)
I'm using the datasheet(mega 48) & it says to set reg DDR_SPI to some value....however this give an assembly error, since I can't find this reg defined anywhere!!! Does it...
Sunday, 10 June 2007 - 05:08
macro for easy port usage
Hello: I am using atmel assemble & often make a simple mistake--- .equ alarm=PB4 .equ lampred=PC5 to use these you need to do something like: sbi portb, alarm cbi portc,...
Thursday, 7 June 2007 - 05:40
tiny11 isp using high voltage programming
Hello: For cost reasons I need to use a tiny11 & want to program it on my PCB board (code always needs updates!) It all runs at 5V. My understanding is that the HV is applied...
Sunday, 15 April 2007 - 20:20
dragon doing nothing
Got in a new Digikey Dragon & installed the latest studio4 & service pack. Upgfraded my stk500 software & all working well. Also installed the USB driver recommended...
Thursday, 14 December 2006 - 02:57
assembler cross-reference
hello: I am using the std atmel assembler & am hacking up several old large programs. As it turns out I am finding bits & pieces of my code routines & labels are no...
Sunday, 3 December 2006 - 19:35
uart start pulse??
hello: I am using the mega48 uart in std old 8-n-1 mode. my program uses udre flag to know when it is allowed to put in a byte to send out. what is strange is I occasionally get...
Thursday, 5 October 2006 - 12:10
stk500 program button
Hello: To my knowledge the program button on the STK500 is used only to upgrade the operating system on the stk500 board. Another fellow indicated to me that this button can...
Tuesday, 26 September 2006 - 21:35
a/d switch references--wait for the cap!!
Hello: I've been working a bit with the mega48 A/D..All is pretty well, though I suddenly needed to switch back and forth between the references (AVcc & 1.1 internal bandgap...
Thursday, 27 July 2006 - 16:31
a/d warning-- dip parts
Hello: I am using a mega48 in both smd & dip packages. I am using both adc6 & adc7 on the smd board & also using my handy stk500 for some general debugging (easier...
Thursday, 27 July 2006 - 05:31
simple branch/compare question
here is a simple predicament that seems to have me temporarily baffled due to a lack of sleep. My program was acting up & I found a simple branch might be the problem. say...
Sunday, 16 July 2006 - 21:17

Pages