Overview
Documents
"Spartan-6 FPGA Memory Controller User Guide":
check Xilinx website for latest version:
http://www.xilinx.com/support/documentation/spartan-6.htm
"Spartan-6 FPGA Memory Interface Solutions User Guide":
check Xilinx website for latest version:
http://www.xilinx.com/support/documentation/ipmeminterfacestorelement_meminterfacecontrol_mig.htm