Building a USB device requires careful attention to design details beyond the USB specification. This application note discusses design topics common to any USB device, focusing on Cypress’s EZ-USB® FX2LP™ devices. The information presented also applies to the older FX1 device and to USB devices in general. The note concludes with a schematic review checklist to help you make any USB hardware design a success, and a description of Cypress software that helps with device checkout.
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