Programmable Devices
CPLDs, FPGAs, SoC FPGAs, Configuration, and Transceivers
Announcements
FPGA community forums and blogs on community.intel.com are migrating to the new Altera Community and are read-only. For urgent support needs during this transition, please visit the FPGA Design Resources page or contact an Altera Authorized Distributor.
21615 Discussions

Cyclone V 5CEFA7F23 Temperature Sensor

Altera_Forum
Honored Contributor II
4,083 Views

I'm using Altera FPGA for the first time. The Part is Cyclone V 5CEFA7F23 and I'm wondering if this part has a on die temperature sensor that I can read over JTAG. 

I've gone thru the datasheets and seems like Cyclone V does not have one but wondering if anyone knows since sometimes some information is not in the datasheets. 

If there is one, how might I read the temperature? 

 

Thanks.
0 Kudos
4 Replies
Altera_Forum
Honored Contributor II
2,999 Views

I'm pretty sure there isn't one. There are sensors in Stratix IV, Stratix V, Arria V, Arria 10, but not in Cyclone V. Temperature sensors are grayed out in the IP Catalog. Sensor IP blocks are named stratixv_tsdblock, arriav_tsdblock, twentynm_tsdblock, etc. and an attempt to create a "cyclonev_tsdblock" results in an error.

0 Kudos
Altera_Forum
Honored Contributor II
2,999 Views

Thank you for your reply. I figured there wouldn't be one but was hoping to be wrong.

0 Kudos
Altera_Forum
Honored Contributor II
2,999 Views

I suppose one could always glue e.g. a DS18B20 to the surface and hook it up to a vacant GPIO pin. It would interfere with a heatsink, and the measurements might be off, but it costs pennies and it is straightforward to hook up.

0 Kudos
Altera_Forum
Honored Contributor II
2,999 Views

Yes indeed! But the board design is already done and heat sink already glued on the FPGA. Oh! the joys of working with someone else's work.

0 Kudos
Reply