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EM48AM1684VBE-7F Datasheet(PDF) 11 Page - Eorex Corporation |
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EM48AM1684VBE-7F Datasheet(HTML) 11 Page - Eorex Corporation |
11 / 17 page eorex EM48AM1684VBE Oct. 2011 www.eorex.com 11/17 Burst Type (A3) Burst Length A2 A1 A0 Sequential Addressing Interleave Addressing X X 0 0 1 0 1 2 X X 0 1 0 1 0 X 0 0 0 1 2 3 0 1 2 3 X 0 1 1 2 3 0 1 0 3 2 X 1 0 2 3 0 1 2 3 0 1 4 X 1 1 3 0 1 2 3 2 1 0 0 0 0 0 1 2 3 4 5 6 7 0 1 2 3 4 5 6 7 0 0 1 1 2 3 4 5 6 7 0 1 0 3 2 5 4 7 6 0 1 0 2 3 4 5 6 7 0 1 2 3 0 1 6 7 4 5 0 1 1 3 4 5 6 7 0 1 2 3 2 1 0 7 6 5 4 1 0 0 4 5 6 7 0 1 2 3 4 5 6 7 0 1 2 3 1 0 1 5 6 7 0 1 2 3 4 5 4 7 6 1 0 3 2 1 1 0 6 7 0 1 2 3 4 5 6 7 4 5 2 3 0 1 8 1 1 1 7 0 1 2 3 4 5 6 7 6 5 4 3 2 1 0 Full Page* n n n Cn Cn+1 Cn+2…… - * Page length is a function of I/O organization and column addressing ×16 (CA0 ~ CA8): Full page = 512bits 1. Command Truth Table CKE Command Symbol n-1 n /CS /RAS /CAS /WE BA0, BA1 A10 A11, A9~A10 Ignore Command DESL H X H X X X X X X No Operation NOP H X L H H H X X X Burst Stop BSTH H X L H H L X X X Read READ H X L H L H V L V Read with Auto Pre-charge READA H X L H L H V H V Write WRIT H X L H L L V L V Write with Auto Pre-charge WRITA H X L H L L V H V Bank Activate ACT H X L L H H V V V Pre-charge Select Bank PRE H X L L H L V L X Pre-charge All Banks PALL H X L L H L X H X Mode Register Set MRS H X L L L L L L V H = High level, L = Low level, X = High or Low level (Don't care), V = Valid data input |
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