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S29AS008J датащи(PDF) 30 Page - Cypress Semiconductor |
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S29AS008J датащи(HTML) 30 Page - Cypress Semiconductor |
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30 / 56 page ![]() Document Number: 002-00870 Rev.*K Page 30 of 56 S29AS008J 11. Command Definitions S29AS008J Command Definitions (Word Mode) Command Sequence (Note 1) Bus Cycles (Notes 2–5) First Second Third Fourth Fifth Sixth Addr Data Addr Data Addr Data Addr Data Addr Data Addr Data Read (Note 6) 1RA RD Reset (Note 7) 1XXX F0 Manufacturer ID 4 555 AA 2AA 55 555 90 X00 01 Device ID, Top Boot Block 6 555 AA 2AA 55 555 90 X01 227E X0E 2204 X0F 2204 Device ID, Bottom Boot Block 6 555 AA 2AA 55 555 90 X01 227E X0E 2204 X0F 2203 Secured Silicon Sector Factory Protect, Top Boot (Note 9) 4 555 AA 2AA 55 555 90 X03 0089/ 0009 Secured Silicon Sector Factory Protect, Bottom Boot (Note 9) 4 555 AA 2AA 55 555 90 X03 0091/ 0011 Sector Group Protect Verify (Note 10) 4 555 AA 2AA 55 555 90 (SA)X02 XX00/ XX01 Enter Secured Silicon Sector 3 555 AA 2AA 55 555 88 Exit Secured Silicon Sector 4 555 AA 2AA 55 555 90 XXX 00 CFI Query (Note 11) 155 98 Program 4 555 AA 2AA 55 555 A0 PA PD Unlock Bypass 3 555 AA 2AA 55 555 20 Unlock Bypass Program (Note 12) 2 XXX A0 PA PD Unlock Bypass Reset (Note 13) 2 XXX 90 XXX F0 Chip Erase 6 555 AA 2AA 55 555 80 555 AA 2AA 55 555 10 Sector Erase 6 555 AA 2AA 55 555 80 555 AA 2AA 55 SA 30 Erase Suspend (Note 14) 1XXX B0 Erase Resume (Note 15) 1XXX 30 Legend X = Don’t care RA = Address of the memory location to be read. RD = Data read from location RA during read operation. PA = Address of the memory location to be programmed. Addresses latch on the falling edge of the WE# or CE# pulse, whichever happens later. PD = Data to be programmed at location PA. Data latches on the rising edge of WE# or CE# pulse, whichever happens first. SA = Address of the sector to be verified (in autoselect mode) or erased. Address bits A18–A12 uniquely select any sector. |
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