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AT25DF021-SSH-B Datasheet(PDF) 5 Page - ATMEL Corporation |
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AT25DF021-SSH-B Datasheet(HTML) 5 Page - ATMEL Corporation |
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5 / 41 page  5 3677D–DFLASH–04/09 AT25DF021 Figure 4-1. Memory Architecture Diagram Internal Sectoring for 64KB 32KB 4KB 1-256 Byte Sector Protection Block Erase Block Erase Block Erase Page Program Function (D8h Command) (52h Command) (20h Command) (02h Command) 4KB 03FFFFh – 03F000h 256 Bytes 03FFFFh – 03FF00h 4KB 03EFFFh – 03E000h 256 Bytes 03FEFFh – 03FE00h 4KB 03DFFFh – 03D000h 256 Bytes 03FDFFh – 03FD00h 4KB 03CFFFh – 03C000h 256 Bytes 03FCFFh – 03FC00h 4KB 03BFFFh – 03B000h 256 Bytes 03FBFFh – 03FB00h 4KB 03AFFFh – 03A000h 256 Bytes 03FAFFh – 03FA00h 4KB 039FFFh – 039000h 256 Bytes 03F9FFh – 03F900h 4KB 038FFFh – 038000h 256 Bytes 03F8FFh – 03F800h 4KB 037FFFh – 037000h 256 Bytes 03F7FFh – 03F700h 4KB 036FFFh – 036000h 256 Bytes 03F6FFh – 03F600h 4KB 035FFFh – 035000h 256 Bytes 03F5FFh – 03F500h 4KB 034FFFh – 034000h 256 Bytes 03F4FFh – 03F400h 4KB 033FFFh – 033000h 256 Bytes 03F3FFh – 03F300h 4KB 032FFFh – 032000h 256 Bytes 03F2FFh – 03F200h 4KB 031FFFh – 031000h 256 Bytes 03F1FFh – 03F100h 4KB 030FFFh – 030000h 256 Bytes 03F0FFh – 03F000h 4KB 02FFFFh – 02F000h 256 Bytes 03EFFFh – 03EF00h 4KB 02EFFFh – 02E000h 256 Bytes 03EEFFh – 03EE00h 4KB 02DFFFh – 02D000h 256 Bytes 03EDFFh – 03ED00h 4KB 02CFFFh – 02C000h 256 Bytes 03ECFFh – 03EC00h 4KB 02BFFFh – 02B000h 256 Bytes 03EBFFh – 03EB00h 4KB 02AFFFh – 02A000h 256 Bytes 03EAFFh – 03EA00h 4KB 029FFFh – 029000h 256 Bytes 03E9FFh – 03E900h 4KB 028FFFh – 028000h 256 Bytes 03E8FFh – 03E800h 4KB 027FFFh – 027000h 4KB 026FFFh – 026000h 4KB 025FFFh – 025000h 4KB 024FFFh – 024000h 256 Bytes 0017FFh – 001700h 4KB 023FFFh – 023000h 256 Bytes 0016FFh – 001600h 4KB 022FFFh – 022000h 256 Bytes 0015FFh – 001500h 4KB 021FFFh – 021000h 256 Bytes 0014FFh – 001400h 4KB 020FFFh – 020000h 256 Bytes 0013FFh – 001300h 256 Bytes 0012FFh – 001200h 256 Bytes 0011FFh – 001100h 256 Bytes 0010FFh – 001000h 4KB 00FFFFh – 00F000h 256 Bytes 000FFFh – 000F00h 4KB 00EFFFh – 00E000h 256 Bytes 000EFFh – 000E00h 4KB 00DFFFh – 00D000h 256 Bytes 000DFFh – 000D00h 4KB 00CFFFh – 00C000h 256 Bytes 000CFFh – 000C00h 4KB 00BFFFh – 00B000h 256 Bytes 000BFFh – 000B00h 4KB 00AFFFh – 00A000h 256 Bytes 000AFFh – 000A00h 4KB 009FFFh – 009000h 256 Bytes 0009FFh – 000900h 4KB 008FFFh – 008000h 256 Bytes 0008FFh – 000800h 4KB 007FFFh – 007000h 256 Bytes 0007FFh – 000700h 4KB 006FFFh – 006000h 256 Bytes 0006FFh – 000600h 4KB 005FFFh – 005000h 256 Bytes 0005FFh – 000500h 4KB 004FFFh – 004000h 256 Bytes 0004FFh – 000400h 4KB 003FFFh – 003000h 256 Bytes 0003FFh – 000300h 4KB 002FFFh – 002000h 256 Bytes 0002FFh – 000200h 4KB 001FFFh – 001000h 256 Bytes 0001FFh – 000100h 4KB 000FFFh – 000000h 256 Bytes 0000FFh – 000000h 64KB (Sector 2) 64KB 64KB (Sector 3) Range 64KB 32KB 32KB Block Erase Detail 32KB 32KB Page Program Detail Page Address Block Address Range 64KB (Sector 0) 32KB 32KB 64KB |
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