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MaxLinear XR21B1420IL28-0A-EVB USB to RS-232/422/485 Evaluation Board (view source)
Revision as of 05:25, 13 May 2020
, 05:25, 13 May 2020added Linux driver instructions
* [https://www.maxlinear.com/ds/sp339e.pdf#page=5 Page 5] of the SP339E datasheet shows the DE9 pinout
* [https://www.maxlinear.com/ds/sp339e.pdf#page=5 Page 5] of the SP339E datasheet shows the DE9 pinout
=== Bill of Materials ===
== Software ==
To get full functionality under Linux, you must install the <code>xr_usb_serial_common</code> kernel module. The drivers are available here:
[https://www.maxlinear.com/support/design-tools/software-drivers Software Drivers - MaxLinear]
In the "USB UART" section in their downloads table, pick the latest version for Linux. Here is a direct link to version 1C for "Linux 3.6.x and newer":
[https://www.maxlinear.com/content/document.ashx?id=21651 xr_usb_serial_common_lnx-3.6-and-newer-pak.zip]
If successfully installed, when the USB device (<code>04e2:1420 Exar Corp.</code>) is connected it the device node <code>/dev/ttyXRUSB0</code> should show up.
== Bill of Materials ==
{| class="wikitable"
{| class="wikitable"