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initial page creation
== Overview ==

USB to serial evaluation board. Supports RS-232, RS-422, and RS-485. Made by MaxLinear, formerly Exar. Supposedly supports higher than usual baudrates, up to 12Mbaud.

[https://www.digikey.com/product-detail/en/maxlinear-inc/XR21B1420IL28-0A-EVB/1016-2062-ND/5080589 MaxLinear XR21B1420IL28-0A-EVB | DigiKey]

[https://www.mouser.com/ProductDetail/MaxLinear/XR21B1420IL28-0A-EVB?qs=C8E66ftkQtzee90NEaObRg%3D%3D MaxLinear XR21B1420IL28-0A-EVB | Mouser]

== Online Resources ==

[https://www.maxlinear.com/document/21623/xr21b1420il28-0a-evb_usersmanual_1a_080514.pdf Exar XR21B1420IL28-0A-EVB Evaluation Board User’s Manual Rev 1A]

[https://www.maxlinear.com/document/21620/xr21b1420_1421_sch_rev10_9182014.pdf Exar XR21B1420/21 Evaluation Board Schematic Rev 1.0]

[https://www.maxlinear.com/ds/xr21b1420.pdf MaxLinear XR21B1420 Datasheet]

<del>[http://www.bdtic.com/download/exar/21623 Exar XR21B1420IL28-0A-EVB Evaluation Board User’s Manual Rev 1A]</del>

<del>[http://www.bdtic.com/download/exar/21620 Exar XR21B1420/21 Evaluation Board Schematic Rev 1.0]</del>

<del>[http://www.exar.com/common/content/document.ashx?id=21620 Exar XR21B1420/21 Evaluation Board Schematic Rev 1.0]</del>

[https://www.avrfreaks.net/comment/1573101#comment-1573101 running Due at 1Mbaud and 2.5M baud <nowiki>[SOLVED]</nowiki> | AVR Freaks]