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HN29WB800T-8 Datasheet(PDF) 11 Page - Hitachi Semiconductor |
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HN29WB800T-8 Datasheet(HTML) 11 Page - Hitachi Semiconductor |
11 / 37 page HN29WT800 Series, HN29WB800 Series 11 Software Command Definition First bus cycle Second bus cycle Third bus cycle Command Operation mode Address Data (I/O7 to I/O0)* 1 Operation mode Address Data (I/O7 to I/O0) Operation mode Address Data (I/O7 to I/O0) Read array (memory) Write × FFH Read identifier codes Write × 90H Read IA* 2 ID* 2 Read status register Write × 70H Read × SRD* 3 Clear status register Write × 50H Page program* 5 Write × 41H Write WA0* 4 WD0* 4 Write WA1 WD1 Block erase Write × 20H Write BA* 6 D0H Suspend Write × B0H Resume Write × D0H Read lock bit status Write × 71H Read BA I/O6* 7 Lock bit program/confirm Write × 77H Write BA D0H Erase all unlocked blocks Write × A7H Write × D0H Notes: 1. In the word mode, upper byte data (I/O8 to I/O15) is ignored. 2. IA = Identifier address, A0 = V IL (Manufacture code), A0 = VIH (Device code), ID = ID code, BYTE = V IL: A-1, A1 to A18 = V IL, BYTE = VIH: A1 to A18 = V IL. 3. SRD = Status register data 4. WA = Write address, WD = Write data 5. BYTE = V IL: Write address and write data must be provided sequentially from 00H to FFH for A-1 to A6. Page size is 256 byte (256-byte × 8-bit). BYTE = V IH: Write address and write data must be provided sequentially from 00H to 7FH for A0 to A6. Page size is 128 word (128-word × 16-bit). 6. BA = Block address (A12 to A18), (Addresses except block address must be V IH) 7. I/O6 provides block lock status, I/O6 = 1: Block unlocked, I/O6 = 0: Block locked. |
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