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MaxLinear XR21B1420IL28-0A-EVB USB to RS-232/422/485 Evaluation Board (view source)
Revision as of 11:01, 17 January 2023
, 11:01, 17 January 2023updated driver link
| J12
| J12
| 1 & 2 (down)
| 1 & 2 (down)
| 1 & 2 (down): GPIO0/!RI/!RWK to SW1 button<br/> 2 & 3 (up): GPIO0/!RI/!RWK to !RI_TRANS
| 1 & 2 (down): GPIO7/!RI/!RWK to SW1 button<br/> 2 & 3 (up): GPIO7/!RI/!RWK to !RI_TRANS
|-
|-
| J13
| J13
[https://www.maxlinear.com/support/design-tools/software-drivers Software Drivers - MaxLinear]
[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":
In the "USB UART" section in their downloads table, pick the latest version for Linux. Here is a direct link to version 1D 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]
[https://assets.maxlinear.com/web/documents/xr_usb_serial_common_lnx-3.6-and-newer-pak_v1d.zip xr_usb_serial_common_lnx-3.6-and-newer-pak_v1d.zip]
<del>[https://www.maxlinear.com/content/document.ashx?id=21651 xr_usb_serial_common_lnx-3.6-and-newer-pak.zip]</del> (1C was superseded by 1D)
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.
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.