Search found 2 matches

by mastastefant
Sun Aug 12, 2007 5:40 am
Forum: V-USB
Topic: AVR USB device not recognized
Replies: 3
Views: 4882

Fixed problem

Hi,

I am using now a AtMega48-20, which works well at 12Mhz and 16Mhz. The oszillator on the development board i was using seems to work slower than specified, so this caused most likely the problems.
by mastastefant
Fri Aug 10, 2007 4:02 am
Forum: V-USB
Topic: AVR USB device not recognized
Replies: 3
Views: 4882

AVR USB device not recognized

Hi, I am using an AtMega16, 16Mhz at 5 Volt, connected with zehner and 1k5 pullup, with the current usbdrv sources, fuse bits set to external clock. When I connect the device to the PC (Debian 4), i only get the 'device descriptor read/64, error -71' messages a few times in syslog. With DEBUG_LEVEL=...