srenblad
/
artiq
forked from M-Labs/artiq
1
0
Fork 0
Code Pull Requests Activity

manual: QC2 FMC voltage

This commit is contained in:
Sebastien Bourdeauducq 2016-03-31 10:47:05 +08:00
parent 3c9e4074d5
commit 05317a9259
1 changed files with 2 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
doc/manual/core_device.rst
View File

@ -113,6 +113,8 @@ There are no SPI channels.
The QC2 hardware has two DDS buses, on channels TODO for LPC and TODO for HPC. The QC2 hardware has two DDS buses, on channels TODO for LPC and TODO for HPC.
For the safe operation of the DDS buses, the FMC voltage of the KC705 should be changed to 3.3V. Plug the TI USB PMBus adapter to the PMBus connector in the corner of the KC705 and use the Fusion Digital Power Designer software (requires Windows). Write to chip number U55 (address 52), channel 4, which is VADJ, to make it 3.3V instead of 2.5V.
Pipistrello Pipistrello
----------- -----------