Rainbow Electronics AT26DF081A - Manual (Page 5)

5
3600H–DFLASH–11/2012
AT26DF081A
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 0FFFFFh – 0FF000h 256 Bytes 0FFFFFh – 0FFF00h
4KB 0FEFFFh – 0FE000h 256 Bytes 0FFEFFh – 0FFE00h
4KB 0FDFFFh – 0FD000h 256 Bytes 0FFDFFh – 0FFD00h
4KB 0FCFFFh – 0FC000h 256 Bytes 0FFCFFh – 0FFC00h
4KB 0FBFFFh – 0FB000h 256 Bytes 0FFBFFh – 0FFB00h
4KB 0FAFFFh – 0FA000h 256 Bytes 0FFAFFh – 0FFA00h
4KB 0F9FFFh – 0F9000h 256 Bytes 0FF9FFh – 0FF900h
4KB 0F8FFFh – 0F8000h 256 Bytes 0FF8FFh – 0FF800h
4KB 0F7FFFh – 0F7000h 256 Bytes 0FF7FFh – 0FF700h
4KB 0F6FFFh – 0F6000h 256 Bytes 0FF6FFh – 0FF600h
4KB 0F5FFFh – 0F5000h 256 Bytes 0FF5FFh – 0FF500h
4KB 0F4FFFh – 0F4000h 256 Bytes 0FF4FFh – 0FF400h
4KB 0F3FFFh – 0F3000h 256 Bytes 0FF3FFh – 0FF300h
4KB 0F2FFFh – 0F2000h 256 Bytes 0FF2FFh – 0FF200h
4KB 0F1FFFh – 0F1000h 256 Bytes 0FF1FFh – 0FF100h
4KB 0F0FFFh – 0F0000h 256 Bytes 0FF0FFh – 0FF000h
4KB 0EFFFFh – 0EF000h 256 Bytes 0FEFFFh – 0FEF00h
4KB 0EEFFFh – 0EE000h 256 Bytes 0FEEFFh – 0FEE00h
4KB 0EDFFFh – 0ED000h 256 Bytes 0FEDFFh – 0FED00h
4KB 0ECFFFh – 0EC000h 256 Bytes 0FECFFh – 0FEC00h
4KB 0EBFFFh – 0EB000h 256 Bytes 0FEBFFh – 0FEB00h
4KB 0EAFFFh – 0EA000h 256 Bytes 0FEAFFh – 0FEA00h
4KB 0E9FFFh – 0E9000h 256 Bytes 0FE9FFh – 0FE900h
4KB 0E8FFFh – 0E8000h 256 Bytes 0FE8FFh – 0FE800h
4KB 0E7FFFh – 0E7000h
4KB 0E6FFFh – 0E6000h
4KB 0E5FFFh – 0E5000h
4KB 0E4FFFh – 0E4000h 256 Bytes 0017FFh – 001700h
4KB 0E3FFFh – 0E3000h 256 Bytes 0016FFh – 001600h
4KB 0E2FFFh – 0E2000h 256 Bytes 0015FFh – 001500h
4KB 0E1FFFh – 0E1000h 256 Bytes 0014FFh – 001400h
4KB 0E0FFFh – 0E0000h 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
Block Erase Detail Page Program Detail
Page Address Block Address
32KB
32KB
64KB
(Sector 0)
Range
•
•
•
•
•
•
Range
32KB
32KB
•
•
•
•
•
•
32KB
(Sector 18)
8KB
(Sector 17)
8KB
(Sector 16)
16KB
(Sector 15)
64KB
32KB
32KB
64KB
(Sector 14)
64KB