M29W128GL70N6E View Datasheet(PDF) - Numonyx -> Micron

Part Name

Description

Manufacturer

M29W128GL70N6E

128 Mbit (16 Mb x 8 or 8 Mbx 16, page, uniform block) 3 V supply Flash memory

Numonyx -> Micron 

Registers

M29W128GH, M29W128GL

Table 18. Lock Register bits(1)

DQ15-3

DQ2

DQ1

Don’t care

Password Protection Mode

Lock bit

Non-volatile Protection

Mode Lock bit

1. DQ0, DQ1 and DQ2 Lock Register bits are set to ‘1’ when shipped from the factory.

DQ0

Extended Block

Protection bit

Table 19. Block protection status

NVPB Lock bit(1)

Block Block

NVPB(2) VPB(3)

Block

protection

status

Block protection status

0

0

x

01h

Block protected (non-volatile protection

through NVPB)

0

1

1

00h

Block unprotected

0

1

0

00h

Block protected (volatile protection

through VPB)

1

0

x

01h

Block protected (non-volatile protection

through NVPB)

1

1

0

01h

Block protected (volatile protection

through VPB)

1

1

1

00h

Block unprotected

1. If the NVPB Lock bit is set to ‘0’, all NVPBs are locked. If the NVPB Lock bit is set to ‘1’, all NVPBs are

unlocked.

2. If the Block NVPB is set to ‘0’, the block is protected, if set to ‘1’, it is unprotected.

3. If the Block VPB is set to ‘0’, the block is protected, if set to ‘1’, it is unprotected.

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