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PM0020 データシート(PDF) 19 Page - STMicroelectronics |
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PM0020 データシート(HTML) 19 Page - STMicroelectronics |
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19 / 87 page  PM00020 STR91xFA Flash memory 19/87 1.10.1 Memory bank concurrency While one bank is in read mode, the other bank can be programmed or erased. The two Flash banks do not support programming or erasing in parallel. A bank can always be read while erasure is in progress in the other bank. Flash sector erasure may be suspended while data is read from other sectors of the same Flash memory bank and then resumed after reading. Table 6 lists the allowed dual operations in both banks and on the same bank. Table 6. Rules for dual bank operations Bank Status Commands allowed in other bank Read Array/ Read Status Reg./ Read Electronic Signature Program Sector Erase Program/Erase Suspend Program/Erase Resume Idle Yes Yes Yes Yes Yes Programming Yes - - Yes - Erasing Yes - - Yes - Programming Suspended Yes - - - Yes Erase Suspended Yes Yes - - Yes |
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