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UC3C2: DAC for internal routing to ADC does not exist. ??
Hi guys, i am implementing a hardware abstraction layer in C++ for the UC3C2256. I am about to write calibration routines for the DAC and stuff. Here is my Problem: The DAC-Output...
Tuesday, 20 October 2015 - 20:59
Disappointed about Compiler Optimization [Pipeline Ap7k]
Hi I have a big programm for my Ap7000. The development time is 2years and i have learned much. Its executable is ~650kb. For graphic calcualtion speedup i have used assembler and...
Thursday, 3 March 2011 - 19:31
Interesting interrupt behavior of an unclocked periphery :-)
Hi I have a new problem with my Ap7000 for you :-) It seems that a software-problem aka bug triggers an interrupt. Concrete situation: All autovectored interrupts are handled by...
Monday, 27 December 2010 - 17:17
Help with HMATRIX @ UC3B - DMAneeds to speed up.
Hi I am playing with the Helix Mp3-Decoder software. it works good on UC3B0256. My problem: I have several DMA-channels that are transfering memory: UART RX+TX for CPU-...
Monday, 15 November 2010 - 12:44
Constructors in Static Libs -> Not called for global obje
Hi I have recently splitted my application into several static libs to reduce compiletime. Now i have strange problems. It seems that objects declared within a static lib that are...
Tuesday, 2 November 2010 - 18:16
Jump not executed (after taskswitch)
Hi I have implemented a taskswitcher for Ap7000. Since i have the MMU under my control, i try to start applications from 0x1100000 (Program), 0x11100000 (Stack) and 0x11300000 (...
Monday, 18 October 2010 - 18:45
Ap7000 Debug with mmu
Hi I am designing a small OS currently. Taskswitching and Supervisorcalls are allready working well. Yesterday i have started to configure the MMU. The OS is placed in P1 Segment...
Thursday, 7 October 2010 - 12:28
UC3Bx512 some news?
Hi I want to ask, if somone knows something about the UC3Bx512 devices. Due so my actual project i will need some ;-) Currently i only know that RevC-parts in MLF-package are...
Wednesday, 5 May 2010 - 21:24
Composite Device MSD + Customprotocoll LibUSB WinXP
Hi I have problems with my USB CompositeDevice! I added an interface to the MSD to add two endpoints. These endpoints serve a PC-program that is communicating with LibUSB. Does...
Friday, 16 April 2010 - 02:14
Ap7000 BusSpeed and their divisions
Hi.. I have some question that weren't answered in the datasheet so far: a) What is the maximum allowed clock for PBA b) What is the maximum allowed clock for PBB -> There is a...
Thursday, 18 February 2010 - 22:42
AVR32-Studio has Depency-Problems!
Hi My Project grows. I have started with the first AVR-Studios and now we have come to version 2.4. Since V2.3 AVR32-Studio has problems with changed Headers. The Project has...
Tuesday, 26 January 2010 - 00:20
SPI doesnt indicate received byte
Hi As far as i understand, the SPI is receiving a byte everytime i send one. So this funtion should work: unsigned char CSDC::CSPI::Receive(unsigned char dout) { if (!...
Saturday, 16 January 2010 - 04:08

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