Tagged Questions

3
votes
1answer
123 views

Can I use ICSP if components share MOSI/SCK pins?

I'm designing a circuit with an ATmega32U4 where I will need to burn a boot loader once installed on the PCB. I currently have 4x 74HC595 Shift registers, sharing the MOSI & SCK pins. Will I ...
0
votes
1answer
255 views

ICSP on an AVR with broken CLKI returns 0x00's

For fun, I have been working on a development board for the Atmel ATmega128RFA1, similar to the official board and the sparkfun one. Mostly I'm doing it because it's fun – I'm a software guy. I ...
2
votes
1answer
1k views

Wrong signature from ATMEGA8-16PU after setting fuses with avrdude

I am lost in loading bootloader for Arduino Single Sided on ATMEGA8-16PU. Here is my problem. I made the Arduino Single Sided V3 Placed ATMEGA8-16PU in the board and attached it to the Parallel ...