AT45DB321E-MWUF2B-T View Datasheet(PDF) - Unspecified

Part Name

Description

MFG CO.

AT45DB321E-MWUF2B-T

32-Mbit DataFlash (with Extra 1-Mbits), 2.3V Minimum SPI Serial Flash Memory

Unspecified 

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Figure 25-7. Read Sector Protection Register (Opcode 32h)

CS

SCK

SI

SO

0 1 2 3 4 5 6 7 8 9 10 11 12

29 30 31 32 33 34 35 36 37 38 39 40

Opcode

Dummy Bits

0 0 1 1 0 0 1 0XXXXXX

MSB

MSB

High-impedance

XXX

Data Byte 1

DDDDDDDDD

MSB

MSB

Figure 25-8. Read Sector Lockdown Register (Opcode 35h)

CS

SCK

SI

SO

0 1 2 3 4 5 6 7 8 9 10 11 12

29 30 31 32 33 34 35 36 37 38 39 40

Opcode

Dummy Bits

0 0 1 1 0 1 0 1XXXXXX

MSB

MSB

High-impedance

XXX

Data Byte 1

DDDDDDDDD

MSB

MSB

Figure 25-9. Read Security Register (Opcode 77h)

CS

SCK

SI

SO

0 1 2 3 4 5 6 7 8 9 10 11 12

29 30 31 32 33 34 35 36 37 38 39 40

Opcode

Dummy Bits

0 1 1 1 0 1 1 1XXXXXX

MSB

MSB

High-impedance

XXX

Data Byte 1

DDDDDDDDD

MSB

MSB

AT45DB321E 59

8784E–DFLASH–10/2013

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