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AES Enabled AT32UC3A3
I've got an existing product using the UC3A364, but I just had a request for a revision that has encryption capabilities. I'm looking at the UC3A364S, which has an AES module...
Friday, 4 January 2013 - 15:33
Lack of FatFS for UC3A3 Projects?
I'm trying to quickly redo a project to take advantage of some new code pushed out with the latest ASF updates, part of which includes pulling FatFS into my project "natively" via...
Monday, 19 November 2012 - 23:45
Using Two Timers at Once?
I'm working with a Teensy2++, which has an AT90USB1287 onboard. Looking at the datasheet, I've got 4 Timers, but it looks like they all use the same prescaler. I assume I can...
Sunday, 7 October 2012 - 13:41
Trying To Understand Teensy2.0++ Timers
I'm fooling around with my new Teensy2.0++ and trying to learn how to play with interrupts. I want to make the LED toggle at 1Hz (one second on, one second off). I've tried...
Friday, 28 September 2012 - 03:03
Best Way To Drive 6+ 7 Segment Displays
I have a project I'm starting on, which at the core is a clock. To prototype, I'm just using a Teensy++ on a breadboard, so I'd like to start with some small off the shelf 7...
Monday, 17 September 2012 - 15:53
Small Custom Electronics Enclosures
Does anyone have any suggestions on small custom electronics enclosures? Right now I'm using an off the shelf part from New Age Enclosures but I'm having a few issues with the...
Thursday, 9 August 2012 - 20:08
Has Anyone Ever Used SanDisk iNAND?
SanDisk is making something called "iNAND" which appears essentially be an SD Card that's soldered down to the PCB. Here's a link: http://sandisk.com/products/embe... One of my...
Monday, 23 July 2012 - 15:31
FatFS f_unlink error
I'm running into an intermittent problem with FatFS and the "f_unlink" function occasionally not actually deleting files. I've traced the problem to the private function,...
Tuesday, 26 June 2012 - 15:18
Security Bit & Custom Bootloader
I'm working on a custom bootloader that may include some sort of cryptographic control to prevent unauthorized code from being loaded. I've found the flash security bit can...
Monday, 18 June 2012 - 14:52
Merging Bootloader & Application Hex Files
I'm trying to merge two hex files, one is a custom bootloader, the other is my user application. The bootloader starts at 0x80002000 (sits on top of DFU bootloader), the user...
Thursday, 14 June 2012 - 21:31
Proper Way to Start User Application From Bootloader
I'm working on a custom bootloader, to sit ontop of the DFU bootloader, and I'm trying to figure out the "proper" way to start my program in two scenarios. 1) My bootloader is...
Tuesday, 12 June 2012 - 22:28
SD Bootloader & Signed Images?
I'm trying to come up with a simple method for users to update the firmware on my UC3A3 device. I already have a "Mass Storage Class" mode, which enables a read/write interface...
Monday, 4 June 2012 - 13:47

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