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AT25DF021 数据表(PDF) 7 Page - ATMEL Corporation |
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AT25DF021 数据表(HTML) 7 Page - ATMEL Corporation |
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7 / 41 page  7 3677D–DFLASH–04/09 AT25DF021 Table 6-1. Command Listing Command Opcode Clock Frequency Address Bytes Dummy Bytes Data Bytes Read Commands Read Array 0Bh 0000 1011 Up to 66 MHz 3 1 1+ 03h 0000 0011 Up to 33 MHz 3 0 1+ Program and Erase Commands Block Erase (4 Kbytes) 20h 0010 0000 Up to 66 MHz 3 0 0 Block Erase (32 Kbytes) 52h 0101 0010 Up to 66 MHz 3 0 0 Block Erase (64 Kbytes) D8h 1101 1000 Up to 66 MHz 3 0 0 Chip Erase 60h 0110 0000 Up to 66 MHz 0 0 0 C7h 1100 0111 Up to 66 MHz 0 0 0 Byte/Page Program (1 to 256 Bytes) 02h 0000 0010 Up to 66 MHz 3 0 1+ Protection Commands Write Enable 06h 0000 0110 Up to 66 MHz 0 0 0 Write Disable 04h 0000 0100 Up to 66 MHz 0 0 0 Protect Sector 36h 0011 0110 Up to 66 MHz 3 0 0 Unprotect Sector 39h 0011 1001 Up to 66 MHz 3 0 0 Global Protect/Unprotect Use Write Status Register Command Read Sector Protection Registers 3Ch 0011 1100 Up to 66 MHz 3 0 1+ Security Commands Program OTP Security Register 9Bh 1001 1011 Up to 66 MHz 3 0 1+ Read OTP Security Register 77h 0111 0111 Up to 66 MHz 3 2 1+ Status Register Commands Read Status Register 05h 0000 0101 Up to 66 MHz 0 0 1+ Write Status Register 01h 0000 0001 Up to 66 MHz 0 0 1 Miscellaneous Commands Read Manufacturer and Device ID 9Fh 1001 1111 Up to 66 MHz 0 0 1 to 4 Deep Power-Down B9h 1011 1001 Up to 66 MHz 0 0 0 Resume from Deep Power-Down ABh 1010 1011 Up to 66 MHz 0 0 0 |
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