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How to inject CRCs into binaries?
I'm about to rip my UC3A0512 application into it's 3 component parts - boot block, the "operational code" that does the real work and configuration data that provides hardware-...
Wednesday, 11 November 2009 - 23:36
allocated section `xyz' not in segment - SOLVED
If you've used the older AVR32 studios, you've seen these build warnings. If you've upgraded the studio & tool chains, you probably noticed they went away somewhere among the...
Tuesday, 3 November 2009 - 01:57
How to use Assembly to sign extend? (UC3A0512)
One of the devices I have to read via SPI outputs data in 8-bit chunks, but is really anywhere in length from 6 to 32 bits. For example, register 0x0E is 24 bits and requires 3 8-...
Saturday, 3 October 2009 - 01:41
SW Framework 1.4 - Flash driver not in RAM?
Diffing the new SW Framework code (because the release notes are definitely beta! :D), it appears that the flash code that was once placed in RAM to work around flash HW problems...
Tuesday, 9 December 2008 - 22:06
Can UC3a0512 host a USB flash key?
I haven't had time to do my research on this and I know nothing about USB as yet. So I thought I'd ask and call it research! :wink: Can this chip host a USB flash key and use it...
Monday, 4 August 2008 - 23:52
How to use tools from the Windows command line?
I see posts saying things like 'use the objdump utility to...'. How does one use/invoke these from a Windows DOS box? Also, how can I program the UC3A0512 from a command line? Do...
Wednesday, 23 July 2008 - 21:36
UC3A0512 spurious USART0 RXRDY interrupts
I'm building some serial I/O. The ISR portion is taken almost exactly from the software framework example. The relevant ISR function is below: __attribute__((__noinline__))...
Wednesday, 9 July 2008 - 19:59
Debugger halting at _int1
I recently got USART0 running as a serial terminal. Characters to be xmitted are put into a queue, the ISR then drains the queue (one byte per TXRDY IRQ) and transmits the...
Wednesday, 2 July 2008 - 02:14
USART problems
I can't seem to get either USART 0 or 1 running properly on the EVK1100. I switched from Hyperterm to Putty, but all I get is garbage characters: üüà`àààüà|ü|àüà`üààààà||à``à`|à...
Tuesday, 24 June 2008 - 20:37
AT32UC3A0512 SDRAM timing question
I'm confused over what clocking is used to generate the SDRAM signals. The data sheet Peripherals section lists the SDRAM controller as being clocked by PBB, the EBI section seems...
Monday, 19 May 2008 - 19:30
AVR Studio 2+Jtag ICE- How to debug before main() ?
The debugger always "opens up" at main(). Setting a breakpoint inside my crt0.x results in some sort of "no source code available" error. (Sorry, my code has errors at the moment...
Monday, 19 May 2008 - 17:12
Newlib questions
My product is using an ATC3A0512 CPU with a design similar to EVK1100 running Free RTOS & written in C using GCC & AVRStudio 1.0 & AVR32 SW Framework under Win XP....
Sunday, 9 March 2008 - 22:55

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