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AT45DB011D Datasheet(PDF) 23 Page - ATMEL Corporation |
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AT45DB011D Datasheet(HTML) 23 Page - ATMEL Corporation |
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23 / 52 page  23 3639B–DFLASH–02/07 AT45DB011D [Preliminary] data in the buffer. If bit 6 is a 1, then at least one bit of the data in the main memory page does not match the data in the buffer. Bit 1 in the Status Register is used to provide information to the user whether or not the sector protection has been enabled or disabled, either by software-controlled method or hardware-con- trolled method. A logic 1 indicates that sector protection has been enabled and logic 0 indicates that sector protection has been disabled. Bit 0 in the Status Register indicates whether the page size of the main memory array is config- ured for “power of 2” binary page size (256 bytes) or the DataFlash standard page size (264 bytes). If bit 0 is a 1, then the page size is set to 256 bytes. If bit 0 is a 0, then the page size is set to 264 bytes. The device density is indicated using bits 5, 4, 3, and 2 of the status register. For the AT45DB011D, the four bits are 0011 The decimal value of these four binary bits does not equate to the device density; the four bits represent a combinational code relating to differing densities of DataFlash devices. The device density is not the same as the density code indicated in the JEDEC device ID information. The device density is provided only for backward compatibility. Table 11-1. Status Register Format Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0 RDY/BUSY COMP 0 0 1 1 PROTECT PAGE SIZE |
Similar Part No. - AT45DB011D_07 |
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Similar Description - AT45DB011D_07 |
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