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Three AVRISPs failed this week. Why? Monday morning the Boss came to me asking why he could no longer use his AVRISP-MKII pod to do his work. It is a Windows 10 machine and the first obvious conclusions was some... |
Wednesday, 24 February 2021 - 16:39 |
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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 |
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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 |
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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 |
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[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 |
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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 |
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[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 |
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[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 |
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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 |
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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 |