Type in the full discussion title or a part of it.
Discussion Title Created date
No time for a XMega forum, but time to spend on Facebook?
From the AVR Freaks homepage, Nov 6th, 2009; I know many of the regular contributers here skip the home page: "And now we're on Facebook too! Posted by eivind on Friday, November...
Friday, 6 November 2009 - 16:52
XMega 128A1 Power Reduction PRE stops PORTQ wakeup. Why?
I need some independent confirmation of what I think is an XMega128A1 chip bug. I have Rev H. parts. I have a button hooked up to bit-2 of PORTQ. The button pulls to ground....
Thursday, 5 November 2009 - 19:58
How to measure nano/micro-amps to 500mA without crashing?
I'm looking to build up a few new test fixtures for some of my AVR products. These products are all battery based, so keeping the current consumption down, especially in Sleep...
Tuesday, 22 September 2009 - 13:06
[CODE][C]XMega setup examples Osc.,PLL,RTC, I/O, Clock Out
This brief tutorial shows several examples related to initializing a XMega: * Shows how to use MPCMASK to setup up multiple I/O pins in a port simultaneously. * Shows how to...
Saturday, 5 September 2009 - 14:11
XMega current measurements
I wanted to get some real world XMega current verses frequency numbers. Don't read to much into the absolute values (need better current meter), just relative compassion:...
Wednesday, 2 September 2009 - 13:45
[TUT][C] Introduction to offsetof() via reading XMega SN
This tutorial gives a very brief introduction to the obscure function offsetof() found in . Reading the XMega chip serial number, and XMega revision letter, is used as an example...
Saturday, 15 August 2009 - 15:41
[TUT][C] Never mistake test for equality with assignment
A very common error in C, especially for the beginner, is to do an assignment where a test for equality was wanted. What is done is: if( x = 0xBE ) /* Error in any general case...
Saturday, 15 August 2009 - 14:53
Using the XMega128A1 RTC without using any interrupts?
Anyone using the XMega128A1 RTC without using any interrupts or events? The manual tells us this: Quote: 17.2.2 Interrupts and events The RTC can generate both interrupts and...
Monday, 27 July 2009 - 19:28
ATxmega128A1 software CRC that matches hardware CRC
Device: ATxmega128A1 /* * The Xmega manual Rev G lists the CRC Polynomial * as: x^24 + 4x3 + 3x +1. * * Based on some untested code supplied by avr(at)atmel.com, * I believe...
Tuesday, 16 June 2009 - 17:59