Why does the Intel® FPGA Temperature Sensor IP core readout always return 0 when using Intel® Quartus® Prime Pro Edition software version  20.1?

Due to a problem in the Intel® Quartus® Prime Pro Edition Software version 20.1, you may see the Intel® FPGA Temperature Sensor IP core always return code 0 when reading the junction temperature on Intel® Arria® 10 or Intel® Cyclone® 10 GX devices.

To work around this problem, a patch is available for the Intel® Quartus® Prime Pro Edition Software version 20.1.
Download and install Patch 0.18 for 20.1 from the appropriate link below.

• Download the version 20.1 patch 0.18 for Windows (.exe)
• Download the version 20.1 patch 0.18 for Linux (.run)
• Download the Readme for the Intel® Quartus® Prime Pro Edition Software 20.1 patch 0.18 (.txt)

This problem is fixed starting with the Intel® Quartus® Prime Pro Edition Software version 20.2.