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  1. 5

    avr timer interrupt problem

    thank you the problem is solved the problem because i use delay_ms with timer interrupt and this corrupted delay_ms time. thank you
  2. 5

    avr timer interrupt problem

    i use mikroc compilier when i use timer interrupt . when is there timer over flow the timer interrupt function is work. but when avr cpu is return from interrupt function it's not return to the last programm adress(when intterupt is done) but it start from beganing from the main code and...
  3. 5

    strange problem pic16f877a

    i use this circuit but without diode and i use 4mhz crystal. when i remove 4mhz crystal from my circuit the pic16f877a is work but slow" see post 1# " . it's means pic16f877a clocked by internal osc.
  4. 5

    strange problem pic16f877a

    #7 i set clock in mikroc at 4mhz. #8 yes delay_ms is software generated delay. #9 post code in post 5# , i use simple circuit pic + reser resistor + crystal and 2 cap i try 22p and 15p and no capictor and problem still #10 i try 3crystal and problem is still...
  5. 5

    strange problem pic16f877a

    i try this code and the problem is still. - - - Updated - - - yes i do this
  6. 5

    strange problem pic16f877a

    mikroc pro 4.6 chip pic16f877a crystal 4mhz xt void main() { TRISD=0x00; // TRISD OUTPUT while(1){ portd=1; delay_ms(500); portd=0; delay_ms(500); } } work in simulation . but in my real circuit delay is 10 sec no .5sec
  7. 5

    strange problem pic16f877a

    i use xt 4mhz crystal and i try long time and no solution. the problem is. i make simple loop. on and off an led with 500ms delay . it work in simulation . but in my circuit it's take about 10sec to flashing led. :?:
  8. 5

    avr usb asp programmer help

    ok thank you . i think problem in my programmer
  9. 5

    avr usb asp programmer help

    avr usb avr programmer i build avr usb programmer . but i have problem i have 6 usb port in my pc . my programmer work only with 2 port. and when i connect it with other 4 port give me this "device not recognized"
  10. 5

    s3c2440 maximum gpio speed

    what is s3c2440 maximum gpio io pin speed in mhz . i need gpio speed. not cpu core speed.
  11. 5

    i want pic programmer circuit.

    i see the schematic in this link https://www.edaboard.com/threads/238522/ and it's can't work with usb to serial conversion. there are some circuit use pic16f628a with tx and rx from pc. i want this circuit
  12. 5

    i want pic programmer circuit.

    thank you for helping me :grin:
  13. 5

    i want pic programmer circuit.

    thank you pickit2 use pic18f2550 and it's price 5$ and above. usb to serial convertor chip about .5$ . jdm circuit not work with usb to serial.
  14. 5

    i want pic programmer circuit.

    hii :-P. i want pic programmer circuit that use tx and rx . because i want to use usb to serial convertor pl2303 .
  15. 5

    help in china led module

    the led module name is p10 led module
  16. 5

    help in china led module

    this is low cost led module for led matrix. but i can't find pinout name for this led module
  17. 5

    help mcu cortex-m family

    thank you all i will try stm32. if anyone have suggestions pleas tell me
  18. 5

    help mcu cortex-m family

    hello every body. i want to learning cortex-m family but i'm confused about select manfucture . i want to buy mcu and programmer and some tool . so i want what is the manfucture have alot of information and examble and book about it's mcu i want to find support if i have problem nxp or st or...
  19. 5

    The difference between dmips and mips

    dmips mips differrent ? stm32 are (90 mips and 64dmips at 72mhz) . i not understand anything from wiki. pleas i'm not einstein
  20. 5

    [SOLVED] Resetting fuse bit in ATmega8

    Re: avr fuse bit problem thank you :grin: my fuse bit like this and it can't reset my avr by fuse bit doctor

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