excecuting through SRAM

Started by M Habib in AVRclub12 years ago 18 replies

hi everybody how can i excecute a program written on the sram using AT90S8515 or ATmega8515? also how can i use the spm instruction to...

hi everybody how can i excecute a program written on the sram using AT90S8515 or ATmega8515? also how can i use the spm instruction to write one word only in the flash mem. using the ATmega8515?? thanx --------------------------------- Yahoo! Sports Rekindle the Rivalries. Sign up for Fantasy Football


keypad with mega64

Started by chrisatwan2000 in AVRclub13 years ago

Hello, I am a little new to using the mega chips. I have had not problem getting my code working with my at90s8515 and my stk500. I...

Hello, I am a little new to using the mega chips. I have had not problem getting my code working with my at90s8515 and my stk500. I recently attached my keypad to a mega64, the outputs are on PORTF and the inputs are connected to PORTA. I am very confused, would anyone be interested in seeing my code to help me out??? Chris Atwan


A special project with the AVR AT90S8515

Started by Andrew Ritchie in AVRclub15 years ago 2 replies

Hello all, I'm interested in a project that combines the power of two great three-letter acronyms, GPS and MP3. Essentially, I'm...

Hello all, I'm interested in a project that combines the power of two great three-letter acronyms, GPS and MP3. Essentially, I'm wanting to build a portable GPS-linked MP3 player, that plays certain audio files off a Compact Flash disk at certain geographic locations. Sounds weird, I know, but it does have a purpose. Now I'll be the first


ATMega and external RAM

Started by Patrick Urban in AVRclub14 years ago 1 reply

Hi all, my question is related to the use of an external RAM (32kx8) controlled by an ATMega162. Current situation: My old...

Hi all, my question is related to the use of an external RAM (32kx8) controlled by an ATMega162. Current situation: My old application with an at90s8515 works fine with an external RAM. Now I switched to the new 162er. I shifted all cseg commands as well as the SRAM locations and the stack-pointer in my existing code. Everything works fi


AVR STK500 with AT90S8515

Started by freerideruf in AVRclub15 years ago 4 replies

I have been trying to write embedded C, which will allow me to do an appropriate task when one of the 8 switches is pressed. Here is my ...

I have been trying to write embedded C, which will allow me to do an appropriate task when one of the 8 switches is pressed. Here is my code. PORTB is connected to LED's and PORTA is connected to the switches. This code doesn't light up the appropriate LED when the corresponding switch is pressed. Does anyone have any suggestions? Thanks in advance for the h