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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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M29F400BT датащи(PDF) 19 Page - STMicroelectronics |
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M29F400BT датащи(HTML) 19 Page - STMicroelectronics |
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19 / 40 page  M29F400BT, M29F400BB Command interface 19/40 4.9 Erase Suspend command The Erase Suspend Command may be used to temporarily suspend a Block Erase operation and return the memory to Read mode. The command requires one Bus Write operation. The Program/Erase Controller will suspend within 15µs of the Erase Suspend Command being issued. Once the Program/Erase Controller has stopped the memory will be set to Read mode and the Erase will be suspended. If the Erase Suspend command is issued during the period when the memory is waiting for an additional block (before the Program/Erase Controller starts) then the Erase is suspended immediately and will start immediately when the Erase Resume Command is issued. It will not be possible to select any further blocks for erasure after the Erase Resume. During Erase Suspend it is possible to Read and Program cells in blocks that are not being erased; both Read and Program operations behave as normal on these blocks. Reading from blocks that are being erased will output the Status Register. It is also possible to enter the Auto Select mode: the memory will behave as in the Auto Select mode on all blocks until a Read/Reset command returns the memory to Erase Suspend mode. 4.10 Erase Resume command The Erase Resume command must be used to restart the Program/Erase Controller from Erase Suspend. An erase can be suspended and resumed more than once. Table 4. Commands, 16-bit mode, BYTE = VIH Command Bus Write operations 1st 2nd 3rd 4th 5th 6th Addr Data Addr Data Addr Data Addr Data Addr Data Addr Data Read/Reset 1X F0 3555 AA 2AA 55 X F0 Auto Select 3 555 AA 2AA 55 555 90 Program 4 555 AA 2AA 55 555 A0 PA PD Unlock Bypass 3 555 AA 2AA 55 555 20 Unlock Bypass Program 2 X A0 PA PD Unlock Bypass Reset 2X 90 X 00 Chip Erase 6 555 AA 2AA 55 555 80 555 AA 2AA 55 555 10 Block Erase 6+ 555 AA 2AA 55 555 80 555 AA 2AA 55 BA 30 Erase Suspend 1 X B0 Erase Resume 1 X 30 |
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