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Next-generation quad UART line debuts

Posted: 18 Jun 2008     Print Version  Bookmark and Share

Keywords:quad-channel  UART  FIFO levels  low voltage 

Exar Corp. has added next-generation high performance (up to 16Mbps) and low voltage (1.62V) quad-channel device family—the XR16M554/564/654 series—to its broad UART line.

The product family targets a wide variety of battery operated portable consumer products as well as industrial applications, including Point-of-Sale (POS), servers, industrial automation, public parking systems, and ticketing machines among others.

Exar's next-generation quad UART device family comes in three FIFO levels—16-, 32- and 64byte. It is aimed at helping designers of advanced low voltage and low power boards differentiate their OEM products.

Consisting of six different devices, the XR16MXX4 series includes the XR16M554/554D, XR16M564/564D, and XR16M654/654D. All the devices share a common set of features, including four independent UART channels, selectable TX and RX trigger levels and data rates up to 16-Mbps. In addition, the XR16M564/564D and XR16M654/654D has automatic sleep mode, automatic hardware flow control, automatic software flow control, a wireless infrared encoder/decoder and a fractional baud rate generator. The series supports both the Intel and Motorola bus interfaces.

- Ismini Scouras

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