Hi friends! I've built a small board containing an ATMEGA328p and a CC1101 radio chip, both communicating via SPI. Everything works perfect except the Arduino bootloader. On four boards, the bootloader works well only in one of them, the one without the CC1101 IC mounted on it. On the rest of board…

Bootloader problem when SPI slave connected

CrossRoads February 17, 2011, 4:06pm 2

Can you pull the 328 chip and program it in an UNO or equivalent?
Or otherwise ensure that there is no acivity on the RX/TX lines to interfere with the start up comms with the PC for loading?

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Bootloader problem when SPI slave connected

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