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4-channels pwm generation
Hi I use ATXMEGA128A1 and the following code for 4-channels pwm generation: void pwmSet(u08 channel, u16 value) { // Setup timer TCC0_CTRLA = 0x01; // divide clock by 1...
Tuesday, 19 April 2011 - 06:33
disconnect dac output pins
is there any way to disconnect DACs output (modules from PORTA & PORTB pins)? I need DACs only as references of Analogue Comparators.
Friday, 4 March 2011 - 09:36
xmega 4 channels signal counter using ACs & DACs
hi this is code for ATXMEGA128A1 "4 channels signal counter using analogue comparators & digital to analogue converters"; DACs are for setting the negative signal level...
Friday, 4 March 2011 - 08:50
count pulses using xmega
hi while I use filter for counting pulses using xmega, but it counts about 5 for each switch pulse! PORTF.PIN0CTRL = PORT_ISC_FALLING_gc; ... EVSYS.CH5CTRL =...
Monday, 7 February 2011 - 10:54
low & high voltage input levels of xmegaA1
hi what is minimum high voltage level and maximum low voltage level of digital inputs for atxmega128A1 when vcc is 3.18 volts ?
Monday, 7 February 2011 - 09:38
fast code for erasing xmega eeprom
hi what is fast code for erasing atxmega128a1 eeprom ? b.r.
Tuesday, 19 October 2010 - 09:26
"for" loop size limitation
hello what is "for" loop size limitation? b.r
Monday, 18 October 2010 - 09:05
_delay_us() & _delay_ms() xmega
hi what is restrictions of _delay_us() & _delay_ms() on xmega at 32MHz? (they do not keep enough time on my application.) b.r.
Saturday, 16 October 2010 - 12:28
xmega USARTs (RS232 & USB) problem [solved]
hi there are two ports of RS232 & USB on USARTE1 and USARTC0 of atxmega128a1 custom design board. the cpuclk is 32MHz (pll with 16MHz external crystal). there is a blinking...
Saturday, 16 October 2010 - 03:06
xmega twi problem
hi this is the code for reading i2c slaves on atxmega128a1: #define CPU_SPEED 32000000 #define BAUDRATE 100000 #define TWI_BAUDSETTING TWI_BAUD(CPU_SPEED, BAUDRATE...
Friday, 15 October 2010 - 15:00
xmega TC square wave generation
hi the test code for generation of ~32KHz square wave on PF5(OC1B) is : //MCLK (PF5,OC1B) PORTF.DIRSET = PIN5_bm; // Set the TC period. TC_SetPeriod(...
Friday, 15 October 2010 - 07:53
set 48MHz clk for USARTC0 with 32MHz clk CPU ATXMEGA128A1
hi all how can I set 48MHz clk for USARTC0 with 32MHz clk of CPU and 16MHz xtal? Now, uC has configured with x2 pll for 32MHz clk of CPU and 16MHz xtal...
Wednesday, 13 October 2010 - 10:29