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In the datasheet for the UC3A (doc32058.pdf) in table 12-3 the entry for Interrupt Group 0 Line 0 is from a source called "SYSBLOCK COMPARE". What does this refer to? I can find...
Wednesday, 30 January 2008 - 01:37
Startup Code Source
I've reviewed the source code for crt0.S, exception.S, and trampoline.S. I've disassembled the `.elf' file from the "Hello World" example. The startup code from the Hello World...
Tuesday, 29 January 2008 - 18:57
exception.S interrupt handler
Can anybody explain the motivation for the code in exception.S for INT0..INT3 where the mode bits are checked and if they are greater than or equal to B`110, that is we are in...
Monday, 28 January 2008 - 22:00
Assembly Files Listing
Is there a way to use the command line option -Wa,-ahl=file.lst to create a listing file based on the file being compiled rather than having to specify a literal name?
Friday, 25 January 2008 - 22:04
Minimal Startup Footprint
Using the managed make facility in AVR32 Studio to run the GNU Toolchain I find a great deal of stuff is included without my having asked for it. Like the whole standard C...
Thursday, 24 January 2008 - 23:26
GCC Header Files
In the header file uc3a0512.h there is a constant for the flash controller defined as: #define AVR32_FLASHC_FLASH_SIZE 524288 which is equal to 512 * 1024 -- all...
Thursday, 3 January 2008 - 17:19
PC relative load instruction
For the PC relative load what value of the program counter is used to compute the effective address of the value to load into the destination register? The Architecture Document...
Wednesday, 2 January 2008 - 22:11
Listing Files
I'm just getting started with avr32-gcc and AVR32 Studio. To obtain some examples of assembly language code I often ask my compilers to provide me with a listing. From \usr\...
Wednesday, 2 January 2008 - 19:13