AT45DB021E datasheet(44/69 Pages) RENESAS

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DS-AT45DB021E-8789 Rev. N

Page 44

3/24/26

AT45DB021E Datasheet

Table 32. Detailed Bit-level Addressing Sequence for Standard DataFlash Page Size (264 bytes)

Note: P = Page address bit; B = Byte/Buffer address bit; X = Dummy bit.

Page Size = 264-bytes

Address Byte

Additional

Dummy

Bytes

Opcode

01h

00 00000 1 XXXX XPPPPP PPPP PBBBBB BBBB

N/A

02h

00 00001 0 XXXX XPPPPP PPPP PBBBBB BBBB

N/A

03h

00 00001 1 XXXX XPPPPP PPPP PBBBBB BBBB

N/A

0Bh

0 0 00101 1 XXXX XPPPPP PPPP PBBBBB BBBB

1Bh

0 0 01101 1 XXXX XPPPPP PPPP PBBBBB BBBB

32h

00 11001 0 XXXX XXXXXX XXXX XXXXXX XXXX

N/A

35h

00 11010 1 XXXX XXXXXX XXXX XXXXXX XXXX

N/A

50h

01 01000 0 XXXX XPPPPP PPXX XXXXXX XXXX

N/A

53h

01 01001 1 XXXX XPPPPP PPPP PXXXXX XXXX

N/A

58h[1]

1. Shown to indicate when Auto Page Rewrite Operation is executed.

01 01100 0 XXXX XPPPPP PPPP PXXXXX XXXX

N/A

58h[2]

2. Shown to indicate when Read Modify Write Operation is executed.

01 01100 0 XXXX XPPPPP PPPP PBBBBB BBBB

N/A

60h

01 10000 0 XXXX XPPPPP PPPP XXXXXX XXXX

N/A

77h

01 11011 1 XXXX XXXXXX XXXX XXXXXX XXXX

N/A

79h

01 11100 1

N/A

7Ch

0 1 11110 0 XXXX XPPPXX XXXX XXXXXX XXXX

N/A

81h

10 00000 1 XXXX XPPPPP PPPP PXXXXX XXXX

N/A

82h

10 00001 0 XXXX XPPPPP PPPP PBBBBB BBBB

N/A

83h

10 00001 1 XXXX XPPPPP PPPP PXXXXX XXXX

N/A

84h

10 00010 0 XXXX XXXXXX XXXX XBBBBB BBBB

N/A

88h

10 00100 0 XXXX XPPPPP PPPP PXXXXX XXXX

N/A

9Fh

1 0 01111 1

N/A

B9h

1 0 11100 1

N/A

ABh

1 0 10101 1

N/A

D1h

1 1 01000 1 XXXX XXXXXX XXXX XBBBBB BBBB

N/A

D2h

1 1 01001 0 XXXX XPPPPP PPPP PBBBBB BBBB

D4h

1 1 01010 0 XXXX XXXXXX XXXX XBBBBB BBBB

D7h

1 1 01011 1

N/A

E8h

1 1 10100 0 XXXX XPPPPP PPPP PBBBBB BBBB

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