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XC2000 Datasheet(PDF) 119 Page - Infineon Technologies AG |
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XC2000 Datasheet(HTML) 119 Page - Infineon Technologies AG |
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119 / 647 page  XC2000 Derivatives System Units (Vol. 1 of 2) Memory Organization Preliminary User’s Manual 3-57 V1.0, 2007-06 MemoryX2K, V1.1 Flash State Flash state. Split into 3 registers IMB_FSR_BUSY, IMB_FSR_OP, and IMB_FSR_PROT. The protection relevant fields or IMB_FSR_PROT are described in “Protection Handling Details” on Page 3-38. The registers are reset by the Application Reset with the exception of “ERASE”, “PROG”, and “OPER”. These three fields are only reset by a System Reset. IMB_FSR_BUSY Flash State Busy ISFR (FF FF06H) Reset value: 0000H 15 14 13 12 11 10 9 8765 432 10 ––– –– PAGE ––– –– BUSY ––– –– rh ––– –– rh Field Bits Typ Description BUSY [2:0] rh Busy A flash module is busy with a task. Each bit position corresponds to one of the 3 flash modules. The task is indicated by the bits MAR, POWER, ERASE or PROG of IMB_FSR_OP. BUSY is automatically cleared when the task has finished. The corresponding task indication is not cleared in order to allow an interrupt handler to determine the finished task. PAGE [10:8] rh Page Mode Indication Set as long the corresponding flash module is in page mode. Page mode is entered by the “Enter Page Mode” commands and finished by a “Program Page” command. The page mode can be also left by a “Reset to Read” command. Also an Application Reset clears this bit. IMB_FSR_OP Flash State Operations ISFR (FF FF08H) Reset value: 0000H 15 14 13 12 11 10 9 8765 432 10 ––– –––– ––– OPE R SQE R MAR POW ER ERA SE PRO G ––– –––– ––– rh rh rh rh rh rh |
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