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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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ST72325AR7-Auto датащи(PDF) 35 Page - STMicroelectronics |
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ST72325AR7-Auto датащи(HTML) 35 Page - STMicroelectronics |
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35 / 243 page  Obsolete Product(s) - Obsolete Product(s) ST72325xxx-Auto Flash program memory Doc ID 13770 Rev 3 35/243 Figure 6. Memory map and sector address 4.3.1 Readout protection Readout protection, when selected, provides a protection against program memory content extraction and against write access to Flash memory. Even if no protection can be considered as totally unbreakable, the feature provides a very high level of protection for a general purpose microcontroller. In Flash devices, this protection is removed by reprogramming the option. In this case, the entire program memory is first automatically erased and the device can be reprogrammed. Note: Readout protection selection is enabled and removed through the FMP_R bit in the option byte. 4.4 ICC interface ICC needs a minimum of 4 and up to 6 pins to be connected to the programming tool (see Figure 7). These pins are: RESET: device reset VSS: device power supply ground ICCCLK: ICC output serial clock pin ICCDATA: ICC input/output serial data pin ICCSEL/VPP: programming voltage OSC1 (or OSCIN): main clock input for external source (optional) VDD: application board power supply (optional, see Figure 7, Note 3) 4 Kbytes 4 Kbytes 2Kbytes SECTOR 1 SECTOR 0 16 Kbytes SECTOR 2 8K 16K 32K 60K FLASH FFFFh EFFFh DFFFh 3FFFh 7FFFh 1000h 24 Kbytes MEMORY SIZE 8Kbytes 40 Kbytes 52 Kbytes 9FFFh BFFFh D7FFh 4K 10K 24K 48K |
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