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WED9LC6416V2012BI Datasheet(PDF) 11 Page - List of Unclassifed Manufacturers |
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WED9LC6416V2012BI Datasheet(HTML) 11 Page - List of Unclassifed Manufacturers |
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11 / 27 page  11 White Electronic Designs Corporation • (508) 366-5151 • www.whiteedc.com WED9LC6416V January 20001 L L L L OP Code Mode Register Set Set the Mode Register 1 L L L H X X Auto or Self Refresh Start Auto 1 L L H L X X Precharge No Operation L L H H BA Row Address Bank Activate Activate the specified bank and row Idle L H L L BA Column Write w/o Precharge ILLEGAL 2 L H L H BA Column Read w/o Precharge ILLEGAL 1 L H H L X X Burst Termination No Operation 1 L H H H X X No Operation No Operation H X X X X X Device Deselect No Operation L L L L OP Code Mode Register Set ILLEGAL L L L H X X Auto or Self Refresh ILLEGAL L L H L X X Precharge Precharge 3 L L H H BA Row Address Bank Activate ILLEGAL 1 Row Active L H L L BA Column Write Start Write; Determine if Auto Precharge 4,5 L H L H BA Column Read Start Read; Determine if Auto Precharge 4,5 L H H L X X Burst Termination No Operation L H H H X X No Operation No Operation H X X X X X Device Deselect No Operation L L L L OP Code Mode Register Set ILLEGAL L L L H X X Auto or Self Refresh ILLEGAL L L H L X X Precharge Terminate Burst; Start the Precharge L L H H BA Row Address Bank Activate ILLEGAL 2 Read L H L L BA Column Write Terminate Burst; Start the Write cycle 5,6 L H L H BA Column Read Terminate Burst; Start a new Read cycle 5,6 L H H L X X Burst Termination Terminate the Burst L H H H X X No Operation Continue the Burst H X X X X X Device Deselect Continue the Burst L L L L OP Code Mode Register Set ILLEGAL L L L H X X Auto or Self Refresh ILLEGAL L L H L X X Precharge Terminate Burst; Start the Precharge L L H H BA Row Address Bank Activate ILLEGAL 2 Write L H L L BA Column Write Terminate Burst; Start a new Write cycle 5,6 L H L H BA Column Read Terminate Burst; Start the Read cycle 5,6 L H H L X X Burst Termination Terminate the Burst L H H H X X No Operation Continue the Burst H X X X X X Device Deselect Continue the Burst L L L L OP Code Mode Register Set ILLEGAL L L L H X X Auto or Self Refresh ILLEGAL L L H L X X Precharge ILLEGAL 2 Read with L L H H BA Row Address Bank Activate ILLEGAL 2 Auto Precharge L H L L BA Column Write ILLEGAL L H L H BA Column Read ILLEGAL L H H L X X Burst Termination ILLEGAL L H H H X X No Operation Continue the Burst H X X X X X Device Deselect Continue the Burst SDRAM CURRENT STATE TRUTH TABLE Current State Command Action Notes SDCE SDRAS SDCAS SDWE (BA) A11-A0 Description A12 & A13 |
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