GD25Q80CSFG datasheet(15/67 Pages) GIGADEVICE

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3.3V Uniform Sector

Dual and Quad Serial Flash

GD25Q80C

IO1 = (x,

x, D5, D1,…)

IO2 = (x,

x, D6, D2,…)

IO3 = (x,

x, D7, D3,…)

7. Fast Word Read Quad I/O Data: the lowest address bit must be 0.

8. Security Registers Address:

Security Register0: A23-A16=00H, A15-A8=00H, A7-A0= Byte Address;

Security Register1: A23-A16=00H, A15-A8=01H, A7-A0= Byte Address;

Security Register2: A23-A16=00H, A15-A8=02H, A7-A0= Byte Address;

Security Register3: A23-A16=00H, A15-A8=03H, A7-A0= Byte Address.

9. Dummy bits and Wrap Bits

IO0 = (x, x, x, x, x, x, W4, x)

IO1 = (x, x, x, x, x, x, W5, x)

IO2 = (x, x, x, x, x, x, W6, x)

IO3 = (x, x, x, x, x, x, x, x)

10. Address, Continuous Read Mode bits, Dummy bits, Manufacture ID and Device ID

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

x, MID4, MID0, DID4, DID0, …)

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

x, MID5, MID1, DID5, DID1, …)

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

x, x, x,

x, MID6, MID2, DID6, DID2, …)

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

x, x, x,

x, MID7, MID3, DID7, DID3, …)

Table of ID Definitions:

GD25Q80C

Operation Code

MID7-MID0

ID15-ID8

ID7-ID0

9FH

90H

ABH

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