Hi. I have a strange situation with ATtiny24A programming via ISP. I does not read anything from the chip and cannot write anything. Programmer send some data and gets answer FF. Chip ID is defining as 0xFFFFFF, Fuse area - same. But! If I send Fusebits with 3 kHz button - it says "Ok". Help me to understand where is the problem. Checked PCB, checked connection wires, checked for short-cirquits, even tried to restore chip with "ATmega fusebit doctor" successfully for several times.
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Problem solved. I made a SOIC-to-DIP adapter and used DIP-14 slot on ATMEL expansion board. Chip recognized as it should. Still can't understand why it refuses to work via ISP.
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Hi. I have a strange situation with ATtiny24A programming via ISP. I does not read anything from the chip and cannot write anything. Programmer send some data and gets answer FF. Chip ID is defining as 0xFFFFFF, Fuse area - same. But! If I send Fusebits with 3 kHz button - it says "Ok". Help me to understand where is the problem. Checked PCB, checked connection wires, checked for short-cirquits, even tried to restore chip with "ATmega fusebit doctor" successfully for several times.
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Last edit: Anonymous 2016-03-26
Problem solved. I made a SOIC-to-DIP adapter and used DIP-14 slot on ATMEL expansion board. Chip recognized as it should. Still can't understand why it refuses to work via ISP.
Sorry for opening this topic. Found and solved all problems.