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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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SC312XDP512F0MPVR датащи(PDF) 1258 Page - Freescale Semiconductor, Inc |
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SC312XDP512F0MPVR датащи(HTML) 1258 Page - Freescale Semiconductor, Inc |
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1258 / 1348 page  Appendix A Electrical Characteristics MC9S12XDP512 Data Sheet, Rev. 2.21 1260 Freescale Semiconductor A.3.1.3 Sector Erase Erasing a 1024-byte Flash sector or a 4-byte EEPROM sector takes: The setup time can be ignored for this operation. A.3.1.4 Mass Erase Erasing a NVM block takes: The setup time can be ignored for this operation. A.3.1.5 Blank Check The time it takes to perform a blank check on the Flash or EEPROM is dependant on the location of the first non-blank word starting at relative address zero. It takes one bus cycle per word to verify plus a setup of the command. t era 4000 1 f NVMOP ------------------------- ⋅ ≈ t mass 20000 1 f NVMOP ------------------------- ⋅ ≈ t check location t cyc 10 t cyc ⋅ + ⋅ ≈ |
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