Type in the full discussion title or a part of it.
Discussion Title Created date
Wait mode and timing interrupts
Hi,   I have a SAM4E with two external sensors collecting data to their internal buffers. The external sensors have quite sketchy clocks, but can be configured to pull a GPIO...
Tuesday, 26 February 2019 - 15:26
SAM4, ASF and eMMC
Hi,   I just received a newly manufactured card based on a SAM4E16C, and with eMMC instead of the microSD we've been using for the last few years. Im trying to test if the...
Monday, 5 November 2018 - 16:32
SAM4E Watchdog reset
Hi,   I'm just adding a watchdog function to our project and got stuck on some differences in the WDT functionality between the SAM4 and our earlier MCU, the Xmega. Before,...
Friday, 5 October 2018 - 08:22
SAM4E with only 32 Khz crystal
Hi,   we're just wrapping up the design stage for a new board based on the SAM4E16E. It will be used for collecting some sensor data and sending it via Ethernet and via...
Friday, 21 September 2018 - 11:26
Robust storage
Hi, we're designing a new prototype of our sensor card and are looking at a better storage solution than the SD-cards we use today. We've used SD-cards for many years, and they...
Thursday, 22 June 2017 - 09:46
Xmega RTC and external crystal
We just discovered that our external RTC, Maxim DS1374C, is not to be trusted in low temperatures. The internal clock divider of the RTC units fails for some units when...
Friday, 11 November 2016 - 10:59
Application flash corrupt
Hi everyone,   we're using the Atxmega256a3 on our sensor nodes and have recently discovered that units every now and then will get a corrupted application flash. The...
Friday, 12 September 2014 - 10:40
Over the air programming
Hi, we've just started to investigate the possibility to update the firmware on our sensor nodes over the air (3G/GPRS). Basically we would like to download a new firmware from...
Wednesday, 20 April 2011 - 12:37
Xmega, sleep and TWI/I2C
Hi, we've had some troubles with TWI/I2C after waking up from sleep with the Xmega256A3. Instead of digging into the details of TWI/I2C we've decided to use the supplied...
Thursday, 31 March 2011 - 08:58
Xmega USART and flow control
Hi, I'm having some troubles with flow control on the Xmega with Atmels interrupt driven USART driver. I'm communicating with a GSM module that uses a CTS line for flow control....
Friday, 6 August 2010 - 14:27
Books/resources on embedded development with XMega
I'm just about to start working on big project centered around an XMega. Even though I've done some embedded development for AVRs before, I figured this would be a good time to do...
Tuesday, 9 March 2010 - 14:40
802.15.4 basic application
Hi! I just got the ATAVRRZ200 demonstration kit to try and build a basic radio-application. The thought is that one device should wake up from sleep on changes from a sensor, read...
Friday, 16 March 2007 - 00:39