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29LV650 Datasheet(PDF) 9 Page - Fujitsu Component Limited. |
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29LV650 Datasheet(HTML) 9 Page - Fujitsu Component Limited. |
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9 / 57 page  MBM29LV650UE/651UE-90/12 9 *1: This command is valid while Fast Mode. *2: This command is valid while RESET = VID. *3: The valid addresses are A6 to A0. *4: This command is valid while Hi-ROM mode. Note:1. Address bits = X = “H” or “L” for all address commands except or Program Address (PA) and Sector Address (SA). 2.Bus operations are defined in Table 2. 3.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 A21, A20, A19, A18, A17,A16, and A15 will uniquely select any sector. 4.RD = Data read from location RA during read operation. PD = Data to be programmed at location PA. Data is latched on the falling edge of write pulse. 5.SPA = Sector group address to be protected. Set sector group address (SGA) and (A6, A1, A0) = (0, 1, 0). SD = Sector group protection verify data. Output 01h at protected sector group addresses and output 00h at unprotected sector group addresses. 6.Both Read/Reset commands are functionally equivalent, resetting the device to the read mode. Table 3 MBM29LV650UE/651UE 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 1 XXXh F0h —————————— Read/Reset 3 XXXh AAh XXXh 55h XXXh F0h RA RD ———— Autoselect 3 XXXh AAh XXXh 55h XXXh 90h —————— Program 4 XXXh AAh XXXh 55h XXXh A0h PA PD ———— Chip Erase 6 XXXh AAh XXXh 55h XXXh 80h XXXh AAh XXXh 55h XXXh 10h Sector Erase 6 XXXh AAh XXXh 55h XXXh 80h XXXh AAh XXXh 55h SA 30h Erase Suspend 1 XXXh B0h —————————— Erase Resume 1 XXXh 30h —————————— Set to Fast Mode 3 XXXh AAh XXXh 55h XXXh 20h —————— Fast Program *1 2 XXXh A0h PA PD ———————— Reset from Fast Mode *1 2 XXXh 90h XXXh F0h ———————— Extended Sector Group Protection *2 4 XXXh 60h SPA 60h SPA 40h SPA SD ———— Query *3 1 XXh 98h —————————— Hi-ROM Entry 3 XXXh AAh XXXh 55h XXXh 88h —————— Hi-ROM Program *4 4 XXXh AAh XXXh 55h XXXh A0h PA PD ———— Hi-ROMExit *4 4 XXXh AAh XXXh 55h XXXh 90h XXXh 00h ———— |
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