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AT45DB081B-CC-2.5 Datasheet(PDF) 10 Page - ATMEL Corporation |
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AT45DB081B-CC-2.5 Datasheet(HTML) 10 Page - ATMEL Corporation |
10 / 32 page 10 AT45DB081B 2225C–12/01 Note: In Tables 2 and 3, an SCK mode designation of “Any” denotes any one of the four modes of operation (Inactive Clock Polarity Low, Inactive Clock Polarity High, SPI Mode 0, or SPI Mode 3). Table 1. Read Commands Command SCK Mode Opcode Continuous Array Read Inactive Clock Polarity Low or High 68H SPI Mode 0 or 3 E8H Main Memory Page Read Inactive Clock Polarity Low or High 52H SPI Mode 0 or 3 D2H Buffer 1 Read Inactive Clock Polarity Low or High 54H SPI Mode 0 or 3 D4H Buffer 2 Read Inactive Clock Polarity Low or High 56H SPI Mode 0 or 3 D6H Status Register Read Inactive Clock Polarity Low or High 57H SPI Mode 0 or 3 D7H Table 2. Program and Erase Commands Command SCK Mode Opcode Buffer 1 Write Any 84H Buffer 2 Write Any 87H Buffer 1 to Main Memory Page Program with Built-in Erase Any 83H Buffer 2 to Main Memory Page Program with Built-in Erase Any 86H Buffer 1 to Main Memory Page Program without Built-in Erase Any 88H Buffer 2 to Main Memory Page Program without Built-in Erase Any 89H Page Erase Any 81H Block Erase Any 50H Main Memory Page Program through Buffer 1 Any 82H Main Memory Page Program through Buffer 2 Any 85H Table 3. Additional Commands Command SCK Mode Opcode Main Memory Page to Buffer 1 Transfer Any 53H Main Memory Page to Buffer 2 Transfer Any 55H Main Memory Page to Buffer 1 Compare Any 60H Main Memory Page to Buffer 2 Compare Any 61H Auto Page Rewrite through Buffer 1 Any 58H Auto Page Rewrite through Buffer 2 Any 59H |
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