On 26 September 2017 at 17:09, H. Nikolaus Schaller hns@goldelico.com wrote:
There are in total 8 external resistors with 240 Ohm at ZQ0 and ZQ1. I don't know what they are really good for...
They're used to calibrate the impedance for the drivers and ODT (which would otherwise be rather imprecise and temperature-sensitive).
Matthijs