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General Description

The MAX3349E ¡À15kV ESD-protected, USB transceiver provides a full-speed USB interface to a lower voltage microprocessor or ASIC. The device supports enumeration, suspend, and VBUS detection. A special UART multiplexing mode routes external UART signals (Rx and Tx) to D+ and D-, allowing the use of a shared connector to reduce cost and part count for mobile devices.

Features

? ¡À15kV ESD HBM Protection on D+ and D-

? UART Mode Routes External UART Signals to D+/D-

? Internal Linear Regulator Allows Direct Powering from the USB Cable

? Separate Voltage Input for UART Transmitter/Receiver (VUART)

? Internal 1.5k? Pullup Resistor on D+ Controlled by Enumerate Input

? Internal Series Termination Resistors on D+ and D-

? Complies with USB Specification Revision 2.0, Full-Speed 12Mbps Operation

? Built-In Level Shifting Down to +1.4V, Ensuring Compatibility with Low-Voltage ASICs

? VBUS Detection

? Combined VP and VM Inputs/Outputs

? No Power-Supply Sequencing Required

? Available in 16-Bump UCSP (2mm x 2mm) Package

Applications

??? Cell Phones

??? PDAs

??? Digital Cameras

??? MP3 Players