Download Silicon Laboratories Stepper Machine Specifications

USBXpress—Features
 General USBXpress information
Implements a bulk pipe between host and peripheral
Operates at full speed using bulk transfers
Maximum transaction size is 4096 bytes
Max throughput = 960 kB/sec
Allocates one IN endpoint and one OUT endpoint on the
C8051F32x/34x devices
 Multiple USBXpress devices may reside on the same bus
 Distributed as a Keil software library
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After the previous slides all of this makes sense right? The key to USBXpress is
that there is no OS driver development and it is easy to use. There is an Application
Programming Interface (API) that is defined that simplifies adding USB to a system
and it runs on any of the Silicon Labs USB product portfolio.
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