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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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M58PR256J датащи(PDF) 104 Page - STMicroelectronics |
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M58PR256J датащи(HTML) 104 Page - STMicroelectronics |
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104 / 114 page  Flowcharts and pseudo codes M58PR256J, M58PR512J 104/114 Figure 27. Protection Register Program flowchart and pseudo code 1. Status check of SR1 (Protected Block), SR3 (VPP Invalid) and SR4 (Program Error) can be made after each program operation or after a sequence. 2. If an error is found, the Status Register must be cleared before further Program/Erase Controller operations. Write C0h (1) AI06177c Start Write Address & Data Read Status Register (1) YES NO SR7 = 1 YES NO SR3 = 0 NO SR4 = 0 VPP Invalid Error (2, 3) Program Error (2, 3) protection_register_program_command (addressToProgram, dataToProgram) {: writeToFlash (addressToProgram, 0xC0) ; /*see note (1) */ do { status_register=readFlash (addressToProgram) ; /* see note (1) */ /* E or G must be toggled*/ } while (status_register.SR7== 0) ; if (status_register.SR3==1) /*VPP invalid error */ error_handler ( ) ; YES End YES NO SR1 = 0 Program to Protected Block Error (2, 3) writeToFlash (addressToProgram, dataToProgram) ; /*Memory enters read status state after the Program Command*/ if (status_register.SR4==1) /*program error */ error_handler ( ) ; if (status_register.SR1==1) /*program to protect block error */ error_handler ( ) ; } |
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