*********$ avrdude -c usbasp -P usb -p t2313 -n -B 100 -vvvv avrdude: Version 5.11.1, compiled on Feb 12 2013 at 01:24:54 Copyright (c) 2000-2005 Brian Dean, http://www.bdmicro.com/ Copyright (c) 2007-2009 Joerg Wunsch System wide configuration file is "/usr/local/CrossPack-AVR-20130212/etc/avrdude.conf" User configuration file is "/Users/patrickkresmer/.avrduderc" User configuration file does not exist or is not a regular file, skipping Using Port : usb Using Programmer : usbasp Setting bit clk period : 100.0 avrdude: seen device from vendor ->www.fischl.de<- avrdude: seen product ->USBasp<- AVR Part : ATtiny2313 Chip Erase delay : 9000 us PAGEL : PD4 BS2 : PD6 RESET disposition : possible i/o RETRY pulse : SCK serial program mode : yes parallel program mode : yes Timeout : 200 StabDelay : 100 CmdexeDelay : 25 SyncLoops : 32 ByteDelay : 0 PollIndex : 3 PollValue : 0x53 Memory Detail : Block Poll Page Polled Memory Type Mode Delay Size Indx Paged Size Size #Pages MinW MaxW ReadBack ----------- ---- ----- ----- ---- ------ ------ ---- ------ ----- ----- --------- eeprom 65 6 4 0 no 128 4 0 4000 4500 0xff 0xff Block Poll Page Polled Memory Type Mode Delay Size Indx Paged Size Size #Pages MinW MaxW ReadBack ----------- ---- ----- ----- ---- ------ ------ ---- ------ ----- ----- --------- flash 65 6 32 0 yes 2048 32 64 4500 4500 0xff 0xff Block Poll Page Polled Memory Type Mode Delay Size Indx Paged Size Size #Pages MinW MaxW ReadBack ----------- ---- ----- ----- ---- ------ ------ ---- ------ ----- ----- --------- signature 0 0 0 0 no 3 0 0 0 0 0x00 0x00 Block Poll Page Polled Memory Type Mode Delay Size Indx Paged Size Size #Pages MinW MaxW ReadBack ----------- ---- ----- ----- ---- ------ ------ ---- ------ ----- ----- --------- lock 0 0 0 0 no 1 0 0 9000 9000 0x00 0x00 Block Poll Page Polled Memory Type Mode Delay Size Indx Paged Size Size #Pages MinW MaxW ReadBack ----------- ---- ----- ----- ---- ------ ------ ---- ------ ----- ----- --------- lfuse 0 0 0 0 no 1 0 0 9000 9000 0x00 0x00 Block Poll Page Polled Memory Type Mode Delay Size Indx Paged Size Size #Pages MinW MaxW ReadBack ----------- ---- ----- ----- ---- ------ ------ ---- ------ ----- ----- --------- hfuse 0 0 0 0 no 1 0 0 9000 9000 0x00 0x00 Block Poll Page Polled Memory Type Mode Delay Size Indx Paged Size Size #Pages MinW MaxW ReadBack ----------- ---- ----- ----- ---- ------ ------ ---- ------ ----- ----- --------- efuse 0 0 0 0 no 1 0 0 9000 9000 0x00 0x00 Block Poll Page Polled Memory Type Mode Delay Size Indx Paged Size Size #Pages MinW MaxW ReadBack ----------- ---- ----- ----- ---- ------ ------ ---- ------ ----- ----- --------- calibration 0 0 0 0 no 2 0 0 0 0 0x00 0x00 Programmer Type : usbasp Description : USBasp, http://www.fischl.de/usbasp/ avrdude: try to set SCK period to 0.0001 s (= 10000 Hz) avrdude: set SCK frequency to 8000 Hz avrdude: error: programm enable: target doesn't answer. 1 avrdude: initialization failed, rc=-1 Double check connections and try again, or use -F to override this check. avrdude done. Thank you.