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Interrupt Issue- Xmega
PORTD.OUTSET = PIN5_bm; PD5 is an input pin and cannot be set or reset by writing to PORTD.OUTSET register.
Tuesday, 10 September 2013 - 11:04
FatFS in an xMega
See also:
Saturday, 7 September 2013 - 06:25
XMega 128A1U TC Period setting
14 is decimal number. For XMEGA 16bit registers, low byte must be read or write first. This is not the case, when writing 16bit registers in AVR (mega,tiny,...) family (high byte...
Sunday, 1 September 2013 - 18:14
XMega 128A1U TC Period setting
For TCC0: TCC0.PER=14; (One additional clock needed for 14 to 0)
Sunday, 1 September 2013 - 06:19
192D3 Counter Timer F0
Torby wrote:how do you figure out the names in the include files loke TC0_CCAEN_bm or TC_WGMODE_SS_gc? There are defines and enums for each peripheral in header files and I find...
Tuesday, 27 August 2013 - 15:08
192D3 Counter Timer F0
Quote:WGMMode is set to Single Slope : NoiseTimer.CTRLB = 3 ; // Single Slope CCAEN must be 1. NoiseTimer.CTRLB = 19 ; or NoiseTimer.CTRLB = TC0_CCAEN_bm|TC_WGMODE_SS_gc;
Saturday, 24 August 2013 - 07:24
Greater than 12 bit resolution with gain stage and two ADCs
mojo-chan wrote: The ADC's 12 bit resolution doesn't seem to be enough so we are looking for a low cost way to increase it. For higher resolution, this may help:
Monday, 19 August 2013 - 12:45
Standby mode basics using a Watch Dog timer to wake
Atmel response: Quote:Yes, the I/O registers will be initialized when the wake up source is reset. The power on reset is a wake up source in many chips.Please see the System...
Monday, 19 August 2013 - 03:39
Standby mode basics using a Watch Dog timer to wake
I asked the question from Atmel support.
Saturday, 17 August 2013 - 10:41
Standby mode basics using a Watch Dog timer to wake
ka7ehk wrote:wakeup is from the watchdog. Jim You mean Wake up by Watchdog reset (not interrupt) or external reset, does not initialize I/O registers?
Saturday, 17 August 2013 - 06:35
Standby mode basics using a Watch Dog timer to wake
There is an ambiguity about I/O register states, when reset is the wake up source: According to: Quote:Memory Content after Waking From Any...
Saturday, 17 August 2013 - 06:11
Xmega reset not working properly
I saw bad power on reset operation when fast power supply on-off condition occured and it solved by activation of brown-out detector (2.0v level).
Wednesday, 14 August 2013 - 18:47