MAX3349EA USB 2.0 Full-Speed Transceiver With UART Multiplexing Mode

The MAX3349EA 15kV 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. The UART Interface allows mobile dev 507 ices such as PDAs, cellular phones, and digital cameras to use either UART or USB signaling through the same connector. The MAX3349EA features a separate UART voltage supply input to support legacy devices using +2.75V signaling. The MAX3349EA supports a maximum UART baud rate of 921kbaud. Upon connection to a USB host, the MAX3349EA enters USB mode and provides a full-speed USB 2.0 compliant Interface through VP, VM, RCV, and OE-bar. The MAX3349EA features internal series termination resistors on D+ and D-, and an internal 1.5k pullup resistor to D+ to allow the device to logically connect and disconnect from the USB while plugged in. A suspend mode is provided for low-power operation. D+ and D- are protected from electrostatic discharge (ESD) up to 15kV. The MAX3349EA is available in 16-pin TQFN (4mm x 4mm) and 16-bump UCSP (2mm x 2mm) packages, and is specified over the -40C to +85C extended temperature range.
By Maxim Integrated Products
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MAX3349EA Pinout, Pinouts
MAX3349EA pinout,Pin out
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MAX3349EA Application circuits
MAX3349EA circuits
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