Rainbow Electronics AT25DF081 - Manual (Page 5)

5
3674E–DFLASH–8/08
AT25DF081
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 0F F F F F h – 0F F 000h 256 Bytes 0F F F F F h – 0F F F 00h
4KB 0F E F F F h– 0F E 000h 256 Bytes 0F F E F F h– 0F F E 00h
4KB 0F DF F F h – 0F D000h 256 Bytes 0F F DF F h – 0F F D00h
4KB 0F CF F F h – 0F C000h 256 Bytes 0F F CF F h – 0F F C00h
4KB 0F BF F F h – 0F B000h 256 Bytes 0F F BF F h – 0F F B00h
4KB 0F AF F F h – 0F A000h 256 Bytes 0F F AF F h – 0F F A00h
4KB 0F 9F F F h – 0F 9000h 256 Bytes 0F F 9F F h – 0F F 900h
4KB 0F 8F F F h – 0F 8000h 256 Bytes 0F F 8F F h – 0F F 800h
4KB 0F 7F F F h – 0F 7000h 256 Bytes 0F F 7F F h – 0F F 700h
4KB 0F 6F F F h – 0F 6000h 256 Bytes 0F F 6F F h – 0F F 600h
4KB 0F 5F F F h – 0F 5000h 256 Bytes 0F F 5F F h – 0F F 500h
4KB 0F 4F F F h – 0F 4000h 256 Bytes 0F F 4F F h – 0F F 400h
4KB 0F 3F F F h – 0F 3000h 256 Bytes 0F F 3F F h – 0F F 300h
4KB 0F 2F F F h – 0F 2000h 256 Bytes 0F F 2F F h – 0F F 200h
4KB 0F 1F F F h – 0F 1000h 256 Bytes 0F F 1F F h – 0F F 100h
4KB 0F 0F F F h – 0F 0000h 256 Bytes 0F F 0F F h – 0F F 000h
4KB 0E F F F F h– 0E F 000h 256 Bytes 0F E F F F h– 0F E F 00h
4KB 0E E F F F h– 0E E 000h 256 Bytes 0F E E F F h– 0F E E 00h
4KB 0E DF F F h – 0E D000h 256 Bytes 0F E DF F h – 0F E D00h
4KB 0E CF F F h– 0E C000h 256 Bytes 0F E CF F h– 0F E C00h
4KB 0E BF F F h– 0E B000h 256 Bytes 0F E BF F h– 0F E B00h
4KB 0E AF F F h – 0E A000h 256 Bytes 0F E AF F h – 0F E A00h
4KB 0E 9F F F h – 0E 9000h 256 Bytes 0F E 9F F h – 0F E 900h
4KB 0E 8F F F h – 0E 8000h 256 Bytes 0F E 8F F h – 0F E 800h
4KB 0E 7F F F h – 0E 7000h
4KB 0E 6F F F h – 0E 6000h
4KB 0E 5F F F h – 0E 5000h
4KB 0E 4F F F h – 0E 4000h 256 Bytes 0017F F h – 001700h
4KB 0E 3F F F h – 0E 3000h 256 Bytes 0016F F h – 001600h
4KB 0E 2F F F h – 0E 2000h 256 Bytes 0015F F h – 001500h
4KB 0E 1F F F h – 0E 1000h 256 Bytes 0014F F h – 001400h
4KB 0E 0F F F h – 0E 0000h 256 Bytes 0013F F h – 001300h
256 Bytes 0012F F h – 001200h
256 Bytes 0011F F h – 001100h
256 Bytes 0010F F h – 001000h
4KB 00F F F F h – 00F 000h 256 Bytes 000F F F h – 000F 00h
4KB 00E F F F h – 00E 000h 256 Bytes 000E F F h – 000E 00h
4KB 00DF F F h – 00D000h 256 Bytes 000DF F h – 000D00h
4KB 00CF F F h – 00C000h 256 Bytes 000CF F h – 000C00h
4KB 00BF F F h – 00B000h 256 Bytes 000BF F h – 000B00h
4KB 00AF F F h – 00A000h 256 Bytes 000AF F h – 000A00h
4KB 009F F F h – 009000h 256 Bytes 0009F F h – 000900h
4KB 008F F F h – 008000h 256 Bytes 0008F F h – 000800h
4KB 007F F F h – 007000h 256 Bytes 0007F F h – 000700h
4KB 006F F F h – 006000h 256 Bytes 0006F F h – 000600h
4KB 005F F F h – 005000h 256 Bytes 0005F F h – 000500h
4KB 004F F F h – 004000h 256 Bytes 0004F F h – 000400h
4KB 003F F F h – 003000h 256 Bytes 0003F F h – 000300h
4KB 002F F F h – 002000h 256 Bytes 0002F F h – 000200h
4KB 001F F F h – 001000h 256 Bytes 0001F F h – 000100h
4KB 000F F F h – 000000h 256 Bytes 0000F F h – 000000h
64KB
• • •
64KB
32KB
32KB
• • •
Range
• • •
• • •
Range
Page Program Detail
Page Address Block Address
64KB
64KB
(Sector 15)
Block Erase Detail
32KB
32KB
64KB
(Sector 0)
32KB
32KB
• • •
64KB
(Sector 14)