T25D32ASEPR datasheet(35/74 Pages) HMSEMI

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Table 7.2 Command Set (Read Instructions (1), SPI Mode)

Command Name

BYTE 1

(Instruction)

BYTE 2

BYTE 3

BYTE 4

BYTE 5

BYTE 6

Read Data

03h

A23—A16

A15—A8

A7—A0

(D7—D0,…)

Fast Read

0Bh

A23—A16

A15—A8

A7—A0

dummy

(D7—D0,…)

Fast Read Dual

Output

3Bh

A23—A16

A15—A8

A7—A0

dummy

(D7—D0,…)(1)

Fast Read Quad

Output

6Bh

A23—A16

A15—A8

A7—A0

dummy

(D7—D0,…)(3)

Fast Read Dual I/O

BBh

A23—A8(2)

A7—A0,M7

—M0(2)

(D7—D0,…)(1)

Fast Read Quad

I/O

EBh

A23—A0,M7

—M0(4)

(x,x,x,x,D7—

D0,...)

(D7—D0,…)(3)

QUAD I/O WORD

FAST READ(5)

E7H

A23—A0,M7

—M0(4)

(x,x,D7—D0,

...)

(D7—D0,…)(3)

Octal Word Read

Quad I/O(5)

E3h

A23—A0,M7

—M0(4)

(D7—D0,…)(

(D7—D0,…)(3)

Notes:

1. Dual Output data

IO0 = (D6, D4, D2, D0)

IO1 = (D7, D5, D3, D1)

2. Dual Input Address

IO0 = A22, A20, A18, A16, A14, A12, A10, A8 A6, A4, A2, A0, M6, M4, M2, M0

IO1 = A23, A21, A19, A17, A15, A13, A11, A9 A7, A5, A3, A1, M7, M5, M3, M1

3. Quad Output Data

IO0 = (D4, D0, …..)

IO1 = (D5, D1, …..)

IO2 = (D6, D2, …..)

IO3 = (D7, D3, …..)

4. Quad Input Address

IO0 = A20, A16, A12, A8, A4, A0, M4, M0

IO1 = A21, A17, A13, A9, A5, A1, M5, M1

IO2 = A22, A18, A14, A10, A6, A2, M6, M2

IO3 = A23, A19, A15, A11, A7, A3, M7, M3

5. For Word Read Quad I/O, the lowest address bit must be 0. (A0 = 0),and for Octal Word Read Quad I/O, the lowest four

address bits must be 0. (A3, A2, A1, A0 = 0)

HM25Q128A

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