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MB84VD21183-85-PTS Datasheet(PDF) 8 Page - Fujitsu Component Limited. |
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MB84VD21183-85-PTS Datasheet(HTML) 8 Page - Fujitsu Component Limited. |
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8 / 55 page  MB84VD2118XA-85/MB84VD2119XA-85 8 Table 2.2 User Bus Operations (Flash = Word mode; CIOf = VCCf, SRAM = Byte mode; CIOs = VSS) Legend: L = VIL, H = VIH, X = VIL or VIH. See “ELECTRICAL CHARACTERISTICS 1. DC Characteristics” for voltage levels. Notes : 1. Other operations except for indicated this column are inhibited. 2. WE can be VIL if OE is VIL, OE at VIH initiates the write operations. 3. Do not apply CEf = VIL, CE1s = VIL and CE2s = VIH at a time. 4. It is also used for the extended sector group protections. 5. WP/ACC = VIL ; protection of boot sectors. WP/ACC = VIH ; removal of boot sectors protection. WP/ACC = VACC (9V) ; Program time will reduce by 40%. 6. LBS , UBS ; Don’t care or Open. Operation (Note 1, 3) CEfCE1sCE2s OE WE SA LBs (Note6) UBs (Note 6) DQ0 to DQ7 DQ8 to DQ15 RESET WP/ ACC (Note 5) Full Standby H HX X X X X X HIGH-Z HIGH-Z H X XL Output Disable HL H H H X X X HIGH-Z HIGH-Z HX X X X X X HIGH-Z HIGH-Z L HX H H X X X HIGH-Z HIGH-Z XL Read from Flash (Note 2) L HX LH X X X DOUT DOUT HX XL Write to Flash L HX HL X X X DIN DIN HX XL Read from SRAM H L H L H SA X X DOUT HIGH-Z H X Write to SRAM H L H X L SA X X DIN HIGH-Z H X Temporary Sector Group Unprotection (Note 4) XX X X X X X X X X VID X Flash Hardware Reset X HX X X X X X HIGH-Z HIGH-Z L X XL Boot Block Sector Write Protection XX X X X X X X X X X L |
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