The EZ-USB FX2LP USB Microcontroller CY7C68013A/CY7C68014A CY7C68015A/CY7C68016A is a single-chip integrated USB 2.0 transceiver, smart SIE, and enhanced 8051 microprocessor that is pin-compatible, object-code-compatible, and functionally-compatible with the FX2, and features ultra low power, making it ideal for bus and battery powered applications.
The EZ-USB FX2LP™ microcontroller family integrates a USB 2.0 high‑speed transceiver, a smart SIE, and an enhanced 8051 core. It is pin‑compatible with the original FX2 and offers ultra‑low power operation, multiple programmable endpoints, and a flexible General Programmable Interface (GPIO) for connecting to parallel devices.
The document provides a functional overview, detailed register descriptions, USB boot methods, interrupt handling, power‑down and wake‑up behavior, as well as memory organization and PCB layout recommendations for reliable high‑performance designs.
| USB 2.0 high‑speed certification | TID # 40440111 |
|---|---|
| Maximum IC current | 85 mA in any mode |
| Suspend current (CY7C68014A) | 100 µA typ |
| Suspend current (CY7C68013A) | 300 µA typ |
| On‑chip RAM | 16 KB program/data RAM |
| Integrated FIFOs | Four integrated FIFOs |
| USARTs | Two standard 8051 USARTs |
| Timers/Counters | Three timer/counters |
| CPU core frequencies | 12 MHz, 24 MHz, or 48 MHz |
It supports Full‑speed (12 Mbps) and High‑speed (480 Mbps) USB signaling.
The device provides 16 KB of internal program and data RAM.
The microcontroller includes two standard 8051 USARTs.