UPGRADE YOUR BROWSER

We have detected your current browser version is not the latest one. Xilinx.com uses the latest web technologies to bring you the best online experience possible. Please upgrade to a Xilinx.com supported browser:Chrome, Firefox, Internet Explorer 11, Safari. Thank you!

cancel
Showing results for 
Search instead for 
Did you mean: 
Highlighted
Adventurer
Adventurer
1,544 Views
Registered: ‎10-14-2011

SPARTAN6 mcb odt question ?

 the FPGA is SPARTAN6 75T , and  use  the MCB to  control the  ddr2  ,

but  i cannot  the UG388 ,can  you tell me  why it must  be  do  .

 


1 :    the UG388  tell me that  the Odt pins must be place a 4.7K register to ground   ,  if i donot  use a  registor to ground  which is keep the ODT  float in PCB , can it cause the data which is read//write  error  ?

2 : can  you tell me  the different   in  soft calibration   ,  use  calibrated of  the input termination  and not use it  ?

3 :if i donot use    calibrated of  the input termination ,the  how can i do to calibration data  ?

thank you  !!!

Tags (1)
0 Kudos