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数据搜索系统，热门电子元器件搜索 |
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数据搜索系统，热门电子元器件搜索 |
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PSD913F2 数据表(PDF) 24 Page - STMicroelectronics |
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PSD913F2 数据表(HTML) 24 Page - STMicroelectronics |
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24 / 91 page  PSD935G2 PSD9XX Family 23 9.1.1.7.2 Data Toggle (cont.) It is suggested (as with all Flash memories) to read the location again after the embedded programming algorithm has completed to compare the word that was written to Flash with the word that was intended to be written. When using the Data Toggle method after an erase instructin, Figure 5 still applies. DQ6 will toggle until the erase operation is complete. A ‘1’ on DQ5 will indicate a timeout failure of the erase operation, a ‘0’ indicates no error. The MCU can read any even location within the sector being erased to get DQ6 and DQ5. PSDsoft generates ANSI C code functions which implement these Data Toggling algorithms. The PSD935G2 Functional Blocks (cont.) Figure 5. Data Toggle Flow Chart START READ DQ5 & DQ6 NO YES NO YES YES NO DQ6 = TOGGLE DQ5 =1 DQ6 = TOGGLE READ DQ6 FAIL Program/Erase Operation Failed Issue Reset Instruction PASS Program/Erase Operation is Completed |
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