4.6. USB Interface
BC66 has a USB interface which conforms to USB 1.1 specifications and supports full speed (12 Mbps)
mode. Supporting USB serial drivers for Windows/Linux operating systems, the interface can be used for
software debugging and software upgrade. For more details, see document [1].
BC660K-GL does not support USB function.
The following is a reference design for the USB interface of BC66: