Tagged Questions

0
votes
1answer
220 views

Is RESET* on the XMEGA disabled when using the PDI interface?

When PDI CLK is connected on the XMEGA (also the RESET*) pin, can this pin still be used to trigger a reset on the chip? If so, how does the chip tell the difference between PDI being used as a clock ...
1
vote
5answers
273 views

Does reset do the same thing as shutting off the power to this device and turning it back on?

I am trying to control a serial dataflash memory through an mbed. It is an AT45DB021B and the datasheet is here. It has a reset pin that I have wired to the mbed so that a software reset can be done. ...
7
votes
3answers
409 views

(Updated) Strange reset behavior with ARM9 processor

I'm working on debugging a boot problem with an Atmel AT91SAM9G20 board. Everything goes great for the first 700 ms or so. It seems that about 700 ms after reset, the processor freezes. What's curious ...