Forum Discussion
Altera_Forum
Honored Contributor
16 years agoBoard design with ep3c25q240 and ddr1 sdram
I'm trying to "Porting" cycloneIII starter kit with ep3c25q240 to avoid BGA package to cost down our product,but there's some problem on ddr interface usage if i want to use ddr controller IP t...
Altera_Forum
Honored Contributor
15 years agook , this is my solution, porting DQ and DQS pins to the bottom and top banks.
mem_dm_from_the_altmemddr[1] Output PIN_232 mem_dm_from_the_altmemddr[0] Output PIN_80 mem_dq_to_and_from_the_altmemddr[15] Bidir PIN_231 mem_dq_to_and_from_the_altmemddr[14] Bidir PIN_226 mem_dq_to_and_from_the_altmemddr[13] Bidir PIN_221 mem_dq_to_and_from_the_altmemddr[12] Bidir PIN_219 mem_dq_to_and_from_the_altmemddr[11] Bidir PIN_217 mem_dq_to_and_from_the_altmemddr[10] Bidir PIN_202 mem_dq_to_and_from_the_altmemddr[9] Bidir PIN_201 mem_dq_to_and_from_the_altmemddr[8] Bidir PIN_197 mem_dq_to_and_from_the_altmemddr[7] Bidir PIN_81 mem_dq_to_and_from_the_altmemddr[6] Bidir PIN_82 mem_dq_to_and_from_the_altmemddr[5] Bidir PIN_87 mem_dq_to_and_from_the_altmemddr[4] Bidir PIN_88 mem_dq_to_and_from_the_altmemddr[3] Bidir PIN_93 mem_dq_to_and_from_the_altmemddr[2] Bidir PIN_94 mem_dq_to_and_from_the_altmemddr[1] Bidir PIN_98 mem_dq_to_and_from_the_altmemddr[0] Bidir PIN_100