hi, I use coldfire 5272 + uClinux 2.4 the uClinux is 20020927 version. when I use MOTOROLA usb driver,and test application cbi. when Host use testapp to translate files,the cbi in uclinux is dead. but if i use the Motorola 's uclinux image in uclinux2.0 the testapp run ok. i don't know why? and is anybody use usb on coldfire 5272? thanks!