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M58LT128GS Datasheet(PDF) 27 Page - STMicroelectronics |
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M58LT128GS Datasheet(HTML) 27 Page - STMicroelectronics |
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27 / 98 page ![]() M58LT128GST, M58LT128GSB 4 Command Interface 27/98 The Read Electronic Signature command is required to read the updated contents of the Configuration Register. Table 5. Standard Commands Commands Bus Operations(1) 1. X = Don't Care, WA=Word Address in targeted bank, RD=Read Data, SRD=Status Register Data, ESD=Electronic Signature Data, QD=Query Data, BA=Block Address, BKA= Bank Address, PD=Program Data, PRA = Protection Register Address, PRD = Protection Register Data, CRD=Configuration Register Data. 1st Cycle 2nd Cycle Op. Add Data Op. Add Data Read Array 1+ Write BKA FFh Read WA RD Read Status Register 1+ Write X 70h Read BKA(2) 2. Must be same bank as in the first cycle. The signature addresses are listed in Table 7 SRD Read Electronic Signature 1+ Write X 90h Read BKA(2) ESD Read CFI Query 1+ Write BKA 98h Read BKA(2) QD Clear Status Register 1 Write BKA 50h Block Erase 2 Write BKA or BA(3) 3. Any address within the bank can be used. 20h Write BA D0h Program 2 Write BKA or WA(3) 40h or 10h Write WA PD Buffer Program n+4 Write BA E8h Write BA n Write PA1 PD1 Write PA2 PD2 Write PAn+1 (4) 4. n+1 is the number of Words to be programmed. PDn+1 (4) Write X D0h Program/Erase Suspend 1 Write X B0h Protection Register Program 2 Write PRA C0h Write PRA PRD Program/Erase Resume 1 Write X D0h Set Configuration Register 2 Write CRD 60h Write CRD 03h |
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