Exar’s USB serial bridge devices

Exar has announced a new family of USB to serial bridge devices for industrial applications. The XR21B142x family interfaces with RS-232 or RS-485 serial networks. The XR21B1420, XRB21B1422, and XRB21B1424 provide 1, 2, and 4 UART channels respectively. The XRB21B1421 provides a single channel UART and uses the native operating system HID (Human Interface Device) driver. The XR21B142x devices are fully comp ...

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