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XMEGA A1U Xplained Pro - Trick to using ADC?
Greetings, All.   I am attempting to use the ADC on the XMEGA A1U Xplained Pro.  It's just test code, which is supposed to make conversions on four ADC input pins every...
Saturday, 28 October 2017 - 17:09
XMEGA A1U Xplained Pro - Trick to using EDBG Virtual Comm Port?
Hello fellow freaks,   I have some serial port code that was previously working on a dedicated custom target board, and have now (attempted to) port it to the XMEGA A1U...
Saturday, 1 July 2017 - 01:22
ATXmega128A1U Sleep Mode Strangeness . . .
Background:  I designed a custom target using the ATxmega128A1U, and it includes a 3V lithium coin cell back-up.  When the DC input power fails, a buck-boost regulator...
Tuesday, 8 November 2016 - 21:40
Using XMEGA A1U to Synchronize Two Signals
I am attempting to use the XMEGA128A1U to synchronize two signals, and am running into a problem.  I have a low-speed signal (~1.0Hz) external signal that is very precise,...
Friday, 11 March 2016 - 00:19
Edge-Trigger Interrupt - What Am I Missing?
Hello All,   I am trying to set up a polled edge detection on port B pin 2 using port interrupts (but interrupts are not enabled).  I want to use the interrupt hardware...
Monday, 7 March 2016 - 00:11
A1U ADC channels not consistent??
Sorry to keep banging on about the A1U ADC, but it is giving me absolute fits.  I have it working in single-ended signed mode, I am using all four of the ADC channels...
Sunday, 31 May 2015 - 02:15
Quick question on A1U ADC operation
I am using the ADC in polled fashion. My sequence:               Select ADC channel LOOP:  Clear ADC interrupt...
Friday, 29 May 2015 - 17:14
Question / Poll: Using ADC on xmega64A3U, which mode is best?
Greetings, All.   If you have used the xmega ADC, what did you do?  Did you go single-ended / unsigned (SE/U) for better range, and deal with that miserable ~200 LSB...
Wednesday, 13 May 2015 - 00:41
ATxmega64A3U: 32.768kHz crystal on TOSC pins - now what?
It's late, I'm tired, and I'm trying to bring up a new target board.  The MCU is running on an 8.00MHz external crystal on XTAL1 &2  PLL'ed up to 32MHz, and...
Friday, 24 April 2015 - 06:56
Protecting PDI
My ATxmega is residing in a product where it is in a truly nasty electrical environment, with signals up to 1kV peak at 100's of kHz running around everywhere.  It is a four-...
Sunday, 1 March 2015 - 00:23
Contents of XMEGA32E5 Production Signature Row & Question
Hello All,   First, here is a dump of the Production Signature Row from an XMEGA32E5.  Descriptions are given for values identified in XMEGA_E Manual Section 4.15....
Tuesday, 24 February 2015 - 07:51
Getting grief from XMEGA 32E5 TCC4
Hi All,   I am attempting to create a hardware-accurate one-shot pulse output from TCC4 OCA.  I began this experiment by setting TCC4 for single-slope PWM, setting the...
Saturday, 21 February 2015 - 19:54

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