Changes by last author:
Changed:
ISP via AVR Pocket Programmer |
ISP via AVR Pocket Programmer |
ISP via Parallel port * You may have to install giveIO usually found in c:/winavr/bin/install_giveio.bat to enable direct access to the parallel port. * Command syntax : avrdude -c bsd -p m128 ... ||AVR pin command||ISP header #||Parallel port pin||Notes|| ||AVR /RESET||5||7||Yellow|| ||AVR SCK (clock input)||3||8||Black|| ||AVR PDI (RXD) (instruction in)||4||9||Red|| ||AVR PDO (TXD) (data out)||1||10||Orange|| ||Signal Ground||6||18||Brown|| * MOSI and MISO are not used. Correct pins from the schematics AVR pin 2 = RXD/PDI -> ISP header Pin4, AVR Pin3 = TXD/PDO -> ISP header pin 1 This is what it looked like:
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See GenBoard/Firmware/BootLoader/BsdCable for Parallel port (printer port) ISP cable that can be made quickly from old PC parts |