Electronic Components Datasheet Search
  English  ▼
ALLDATASHEET.NET

X  
Preview PDF HTML
Datasheet with Chat AI
Datasheet Images
Datasheet Details
Part No.GD25LQ16CSFG
MfrGIGADEVICE
Size1Mb
Pages71 pages
Description1.8V Uniform Sector Dual and Quad Serial Flash
Datasheet SummaryAI
1. Core Functionality & Overview:

️· Type: Serial Flash Memory
️· Purpose: Non-volatile storage.
️· Key Features: Quad operation (IO2/IO3 enable), status register protection, block protection (software-controlled memory protection).

2. Status Register Breakdown (Table included for clarity):

Bit Name Description
S15 SUS1 Set by Program Suspend; cleared by resume or power cycle
S14 CMP Used with Block Protect bits for more flexible memory protection. Default: 0
S13 LB3 One-Time Programmable (OTP) bit used for Security Register unlocking.
S12 LB2 OTP bit for Security Register unlocking.
S11 LB1 OTP bit for Security Register unlocking.
S10 SUS2 Set by Erase Suspend; cleared by resume or power cycle
S9 QE Quad Enable bit: 0 = WP# and HOLD# enabled, 1 = Quad IO2/IO3 enabled.
S8 SRP1 Status Register Protect bit. Controls write protection method (see table below).
S7 SRP0 Status Register Protect bit. (See table below).
S6 BP4 Block Protect bit (Software-controlled memory protection).
S5 BP3 Block Protect bit.
S4 BP2 Block Protect bit.
S3 BP1 Block Protect bit.
S2 BP0 Block Protect bit.
S1 WEL Write Enable Latch. 1 = enabled, 0 = disabled.
S0 WIP Write In Progress. 1 = busy, 0 = idle.

SRP (Status Register Protection) Table (Combined SRP1 & SRP0):

SRP1 SRP0 #WP Status Register Description
0 0 X Software Protected Writeable after Write Enable command (Default)
0 1 0 Hardware Protected Locked, unwriteable when WP# = 0
0 1 1 Hardware Unprotected Writeable after Write Enable command (WEL=1)
1 0 X Power Supply Lock-Down Protected, needs power cycle to unlock
1 1 X One-Time Programmable Permanently protected

3. Block Protection:

️· BP4-BP0 bits control software-controlled memory protection.
️· When set to 1, specific memory areas are protected from Program and Erase commands.
️· CMP (Complement) bit, used in conjunction with BP4-BP0, provides more flexible protection configurations.

4. Quad Operation:

️· Enabled by setting the QE (Quad Enable) bit in the Status Register.
️· Allows for faster data transfer using four I/O pins instead of one.

5. OTP and Security Registers
️· LB3, LB2, LB1 bits are one-time programmable. Once set, security registers become read-only.

6. Important Notes:

️· The document recommends setting the QE bit to 0 to prevent potential issues with the WP# or HOLD# pins if they are connected to power or ground.
️· Certain SRP configurations (power supply lockdown, one-time programmable) have specific requirements (power cycle, special order).
GD25LQ16CSFG Datasheet with Chat AI
  • AIauthorized
    Hello, Please ask a question about GD25LQ16CSFG Datasheet.
    Example questions: ➤ What are the potential consequences of setting the 'qe' bit to 1, and what is the recommended setting to avoid potential issues?➤ Explain the function of the 'cmp' bit and how it interacts with the 'bp4-bp0' bits for memory protection.➤ What happens when the 'wip' bit in the status register is set to 1?
    • Datasheet Details
    Part No.GD25LQ16CSFG
    ManufacturerGIGADEVICE
    Size1Mb
    Pages71 pages
    Description1.8V Uniform Sector Dual and Quad Serial Flash
    Datasheet Summary AI Expand summary
    1. Core Functionality & Overview:

    ️· Type: Serial Flash Memory
    ️· Purpose: Non-volatile storage.
    ️· Key Features: Quad operation (IO2/IO3 enable), status register protection, block protection (software-controlled memory protection).

    2. Status Register Breakdown (Table included for clarity):

    Bit Name Description
    S15 SUS1 Set by Program Suspend; cleared by resume or power cycle
    S14 CMP Used with Block Protect bits for more flexible memory protection. Default: 0
    S13 LB3 One-Time Programmable (OTP) bit used for Security Register unlocking.
    S12 LB2 OTP bit for Security Register unlocking.
    S11 LB1 OTP bit for Security Register unlocking.
    S10 SUS2 Set by Erase Suspend; cleared by resume or power cycle
    S9 QE Quad Enable bit: 0 = WP# and HOLD# enabled, 1 = Quad IO2/IO3 enabled.
    S8 SRP1 Status Register Protect bit. Controls write protection method (see table below).
    S7 SRP0 Status Register Protect bit. (See table below).
    S6 BP4 Block Protect bit (Software-controlled memory protection).
    S5 BP3 Block Protect bit.
    S4 BP2 Block Protect bit.
    S3 BP1 Block Protect bit.
    S2 BP0 Block Protect bit.
    S1 WEL Write Enable Latch. 1 = enabled, 0 = disabled.
    S0 WIP Write In Progress. 1 = busy, 0 = idle.

    SRP (Status Register Protection) Table (Combined SRP1 & SRP0):

    SRP1 SRP0 #WP Status Register Description
    0 0 X Software Protected Writeable after Write Enable command (Default)
    0 1 0 Hardware Protected Locked, unwriteable when WP# = 0
    0 1 1 Hardware Unprotected Writeable after Write Enable command (WEL=1)
    1 0 X Power Supply Lock-Down Protected, needs power cycle to unlock
    1 1 X One-Time Programmable Permanently protected

    3. Block Protection:

    ️· BP4-BP0 bits control software-controlled memory protection.
    ️· When set to 1, specific memory areas are protected from Program and Erase commands.
    ️· CMP (Complement) bit, used in conjunction with BP4-BP0, provides more flexible protection configurations.

    4. Quad Operation:

    ️· Enabled by setting the QE (Quad Enable) bit in the Status Register.
    ️· Allows for faster data transfer using four I/O pins instead of one.

    5. OTP and Security Registers
    ️· LB3, LB2, LB1 bits are one-time programmable. Once set, security registers become read-only.

    6. Important Notes:

    ️· The document recommends setting the QE bit to 0 to prevent potential issues with the WP# or HOLD# pins if they are connected to power or ground.
    ️· Certain SRP configurations (power supply lockdown, one-time programmable) have specific requirements (power cycle, special order).