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MB84VA20 Datasheet(PDF) 9 Page - Fujitsu Component Limited. |
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MB84VA20 Datasheet(HTML) 9 Page - Fujitsu Component Limited. |
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9 / 29 page  9 MB84VA2006-10/MB84VA2007-10 Address bits A11 to A20 = X = “H” or “L” for all address commands except for Program Address (PA) and Sector Address (SA). Bus operations are defined in Table 2. Both Read/Reset commands are functionally equivalent, resetting the device to the read mode. RA =Address of the memory location to be read. PA =Address of the memory location to be programmed. Addresses are latched on the falling edge of the write pulse. SA =Address of the sector to be erased. The combination of A20, A19, A18, A17, A16, A15, A14, and A13 will uniquely select any sector. RD =Data read from location RA during read operation. PD =Data to be programmed at location PA. SPA =Sector address to be protected. Set sector address (SA) and (A6, A1, A0) = (0, 1, 0). SD =Sector protection verify data. Output 01H at protected sector addresses and output 00H at unprotected sector addresses. Note:This command is valid while Fast Mode. Table 7 Flash Memory Command Definitions Command Sequence Bus Write Cycles Req’d First Bus Write Cycle Second Bus Write Cycle Third Bus Write Cycle Fourth Bus Read/Write Cycle Fifth Bus Write Cycle Sixth Bus Write Cycle Addr. Data Addr. Data Addr. Data Addr. Data Addr. Data Addr. Data Read/ Reset word 1 XXXH F0H — — — — — — — — — — Byte Read/ Reset word 3 555H AAH 2AAH 55H 555H F0H RA RD — — — — Byte AAAH 555H AAAH Autoselect word 3 555H AAH 2AAH 55H 555H 90H — — — — — — Byte AAAH 555H AAAH Program word 4 555H AAH 2AAH 55H 555H A0H PA PD — — — — Byte AAAH 555H AAAH Chip Erase word 6 555H AAH 2AAH 55H 555H 80H 555H AAH 2AAH 55H 555H 10H Byte AAAH 555H AAAH AAAH 555H AAAH Sector Erase word 6 555H AAH 2AAH 55H 555H 80H 555H AAH 2AAH 55H SA 30H Byte AAAH 555H AAAH AAAH 555H Sector Erase Suspend Erase can be suspended during sector erase with Addr (“H” or “L”). Data (B0H) Sector Erase Resume Erase can be resumed after suspend with Addr (“H” or “L”). Data (30H) Set to Fast Mode word 3 555H AAH 2AAH 55H 555H 20H — — — — — — Byte AAAH 555H AAAH Fast Program (Note) word 2 XXXH A0H PA PD — — — — — — — — Byte XXXH Reset from Fast Mode word 2 XXXH 90H XXXH F0H — — — — — — — — Byte XXXH XXXH Extended Sector Protect word 4 XXXH 60H SPA 60H SPA 40H SPA SD — — — — Byte |
Similar Part No. - MB84VA20 |
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Similar Description - MB84VA20 |
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