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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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AT90LS4433-4AI датащи(PDF) 90 Page - ATMEL Corporation |
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AT90LS4433-4AI датащи(HTML) 90 Page - ATMEL Corporation |
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90 / 126 page  90 AT90S/LS4433 1042H–AVR–04/03 Figure 64. Programming the Flash Waveforms (Continued) Reading the Flash The algorithm for reading the Flash memory is as follows (refer to “Programming the Flash” for details on command and address loading): A: Load Command “0000 0010”. B: Load Address High Byte ($00 - $07). C: Load Address Low Byte ($00 - $FF). 1. Set OE to “0”, and BS to “0”. The Flash word Low Byte can now be read at DATA. 2. Set BS to “1”. The Flash word High Byte can now be read from DATA. 3. Set OE to “1”. Programming the EEPROM The programming algorithm for the EEPROM Data memory is as follows (refer to “Pro- gramming the Flash” for details on command, address and data loading): A: Load Command “0001 0001”. B: Load Address Low Byte ($00 - $FF). C: Load Data Low Byte ($00 - $FF). D: Write Data Low Byte. Reading the EEPROM The algorithm for reading the EEPROM memory is as follows (refer to “Programming the Flash” for details on command and address loading): A: Load Command “0000 0011”. B: Load Address Low Byte ($00 - $FF). 1. Set OE to “0”, and BS to “0”. The EEPROM data byte can now be read at DATA. 2. Set OE to “1”. DATA HIGH DATA XA1 XA0 BS XTAL1 WR RDY/BSY RESET +12V OE |
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