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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) 1135 Page - Freescale Semiconductor, Inc |
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SC312XDP512F0MPVR датащи(HTML) 1135 Page - Freescale Semiconductor, Inc |
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1135 / 1348 page  Chapter 27 512 Kbyte Flash Module (S12XFTX512K4V2) MC9S12XDP512 Data Sheet, Rev. 2.21 Freescale Semiconductor 1137 Figure 27-28. Example Program Command Flow Write: Flash Address Write: FCMD register Program Command 0x20 Write: FSTAT register Clear CBEIF 0x80 1. 2. 3. Clear ACCERR/PVIOL 0x30 Write: FSTAT register yes no Access Error and Protection Violation no and program Data Bit Polling for Buffer Empty Check Read: FSTAT register yes Read: FSTAT register no START yes Check CBEIF Set? Next no yes Address, Data, Command Buffer Empty Check Flash Block? CBEIF Set? ACCERR/ PVIOL Set? EXIT by 128K Decrement Global Address Write: FCLKDIV register Read: FCLKDIV register yes no Clock Register Written Check FDIVLD Set? NOTE: FCLKDIV needs to be set once after each reset. Simultaneous Multiple Flash Block Decision no yes Sequential Programming Decision Next Word? no Bit Polling for Command Completion Check Read: FSTAT register yes CCIF Set? |
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