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Discussion Title Created date
Using the functionality of a port: ATmega328p
Hello I meet malfunction in the elaboration of my system because I use on the D port of the ATmega328p the serie line and the other pin of the port as input / output. But then...
Sunday, 29 September 2019 - 12:39
from microprocessor to AVR to SRAM
Hello Today I come or for those who will recognize my problem, I come back because I could not find a solution. So for over 6 months I try to put in a microprocessor system a...
Thursday, 18 April 2019 - 08:39
ATmega 128 chnage volue of PIND
Hello Is it possible to change the initial value in a program entry PIN? For example, with ATmaga 128 by default, we have 0xFE in the PIND, so if you do this: if (PIND & 0x2...
Friday, 23 November 2018 - 14:33
ATmega 128 and external interrupt
Hello please, is it possible to make a combination of the several interrupts of type INT0 to make a treatment? An instruction of this type: 1- ISR (INT0_vect | INT1_vect...
Friday, 16 November 2018 - 16:25
ATmega 128 and SRAM 62256
Hello I come today with a new puzzle at my little level. Here I am trying to port my atmega128 and RAM 62556 as shown on the schema with the following code but during the reading...
Thursday, 15 November 2018 - 12:15
ATmega 128
hello to you friends. certainly some of you have found that I ask a lot of questions about the ATmega128. Indeed, this microcontroller has spent sleepless nights and I see that...
Wednesday, 7 November 2018 - 08:19
ATmega USART
Hello I have a few weeks a problem with my ATmega128. I use the software Atmel 6 a USBasb programmer and AVRDUDESS 2.4 I managed to glide an LED but my goal is to make a serial...
Monday, 5 November 2018 - 14:20
USB-AVRIsp Programmer
  Hello I have been using a USB-AVRIsp programmer for years but two days ago I redid my system for a speed problem from 32 bits to 64 bits (win 7) and I can not install it...
Wednesday, 29 August 2018 - 11:28
How to clear the AVR data register PIND
Hello I am using an ATme164P. I will want to know if it is possible to erase the data in a data register (PIND). If it's possible please tell me how can I do it? Thank you for...
Wednesday, 15 August 2018 - 11:12
AVR observer SRAM data bus
  Hello I made a SRAM 62256 interface with an atmega164p I would like to put a second microcontroller that retrieved all the data send to the SRAM or issued by the latter...
Wednesday, 15 August 2018 - 10:10
Commande du relais eélectromagnetique
Today at 08:48 am  bonjour  Je viens de rejoindre cette communauté et je vous rémerci d'avance car je sais je suis face à la solution proposé par vous. Merci encore...
Thursday, 14 June 2018 - 09:35