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mega328PB Output Compare Modulator Issue
On the mega328PB Engineering Sample chips it look like the Output Compare Modulator is always enabled.  Although section 19 of the datasheet is nearly all nonsense (someone...
Wednesday, 28 October 2015 - 20:34
mega328PB HVSP
I noticed that in Studio 7 with an AVR Dragon attached and the mega328PB selected, the "Interface" dropdown contains ISP, HVSP and HVPP.  HVSP is not present for the mega48PB...
Monday, 19 October 2015 - 20:57
mega328PB Testing Status
I recently received some mega328PB TQFP samples and populated a slightly modified mega328P test board.  The two chips are nearly pin-compatible, the differences are are shown...
Monday, 12 October 2015 - 23:32
ATtiny441/841 Initial Impressions
I've been experimenting a bit with the tiny841 and I find it to be a very nice little device. It is pin-compatible with the tiny44/84 except that there is no DIP package for the...
Thursday, 19 December 2013 - 03:36
How to debug using an existing .hex file
In AS4 it is simple to debug using a .hex file produced by an external process (e.g. WinAVR + makefile). In AS6 I see the menu item File | Open Object File for Debugging but the...
Thursday, 1 November 2012 - 16:24
tiny167 LIN/UART in UART mode
I've been experimenting with the tiny167 trying to get the LIN/UART to operate in UART mode. So far, it's a no go. Oddly, when watching the code execute using AVR Studio and...
Friday, 8 April 2011 - 15:06
ATmega328P-AU Supplies
For anyone looking for the mega328P TQFP part, SparkFun has about 275 pieces in stock at this is written. A fellow AVR enthusiast informed me yesterday that SparkFun had sent him...
Sunday, 17 October 2010 - 00:32
Wrong instruction emitted for indirect call
On devices with more than 128K of Flash (e.g. mega2560, xmega128A1) an indirect function call in C results in an eicall instruction but the EIND register is not set before the...
Sunday, 14 March 2010 - 16:43
Dunsel Registers on xmega32A4
Oddly, the xmega32A4 has RAMPD, RAMPX, RAMPY and RAMPZ registers. They appear in the the "CPU Registers" section when debugging with JTAG and in the iox32a4.h file for WinAVR....
Thursday, 11 February 2010 - 19:15
xmega Over-voltage Resiliency
I began working on a new prototype board over the weekend that uses an xmega32A4. Inadvertently, I hooked up the prototype to 5 volts, set the fuses, programmed the bootloader...
Tuesday, 2 February 2010 - 00:59
Device Selection Problem
I'm using v4.18, build 692. Steps to reproduce the issue:Connect an AVR ISP to an ATmega644, power up.Launch AVR StudioFrom the menu, select Tools|Program AVR|Connect... Select "...
Sunday, 31 January 2010 - 18:47
mega644P Part Description File Error
For AVR Studio v4.18 (build 684) there is an error in the description of the Interrupt Sense Control bits for external interrupts. The value 0x01 is incorrectly described as "...
Friday, 11 December 2009 - 20:10

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