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AM29DL324D Scheda tecnica(PDF) 10 Page - Advanced Micro Devices |
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AM29DL324D Scheda tecnica(HTML) 10 Page - Advanced Micro Devices |
10 / 58 page 10 DS42585 P R E L I M INARY Table 2. Device Bus Operations—Flash Word Mode, CIOf = V IH; SRAM Byte Mode, CIOs = VSS Legend: L = Logic Low = V IL, H = Logic High = VIH, VID = 8.5–12.5 V, VHH = 9.0 ± 0.5 V, X = Don’t Care, SA = Sector Address, AIN = Address In, DIN = Data In, DOUT = Data Out Notes: 1. Other operations except for those indicated in this column are inhibited. 2. Do not apply CE#f = VIL, CE1#s = VIL and CE2s = VIH at the same time. 3. Don’t care or open LB#s or UB#s. 4. If WP#/ACC = V IL , the boot sectors will be protected. If WP#/ACC = VIH the boot sectors protection will be removed. If WP#/ACC = V ACC (9V), the program time will be reduced by 40%. 5. The sector protect and sector unprotect functions may also be implemented via programming equipment. See the “Sector/Sector Block Protection and Unprotection” section. 6. If WP#/ACC = V IL, the two outermost boot sectors remain protected. If WP#/ACC = VIH, the two outermost boot sector protection depends on whether they were last protected or unprotected using the method described in “Sector/Sector Block Protection and Unprotection”. If WP#/ACC = VHH, all sectors will be unprotected. Operation (Notes 1, 2) CE#f CE1#s CE2s OE# WE# SA LB#s (Note 3) UB#s (Note 3) RESET# WP#/ACC (Note 4) DQ0–DQ7 DQ8–DQ15 Read from Flash L HX LH X X X H L/H D OUT D OUT XL Write to Flash L HX H L L X X H (Note 3) D IN D IN XL Standby V CC ± 0.3 V HX XX X X X V CC ± 0.3 V H High-Z High-Z XL Output Disable HL H HH X L X H L/H High-Z High-Z HH X X L L HX HH X X X XL Flash Hardware Reset X HX X X X X X L L/H High-Z High-Z XL Sector Protect (Note 5) L HX HL X X X V ID L/H D IN X XL Sector Unprotect (Note 5) L HX HL X X X V ID (Note 6) D IN X XL Temporary Sector Unprotect X HX XX X X X V ID (Note 6) D IN High-Z XL Read from SRAM H L H L H SA X X H X D OUT High-Z Write to SRAM H L H X L SA X X H X D IN High-Z |
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