M29F200BB データシートの表示（PDF） - Micron Technology

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M29F200BB

2 Mbit 256Kb x8 or 128Kb x16 / Boot Block Single Supply Flash Memory

Micron Technology 

Status register

M29F200BT, M29F200BB

Table 7. Status Register Bits(1)

Operation

Address

DQ7 DQ6 DQ5 DQ3 DQ2

RB

Program

Program during

Erase Suspend

Any Address

DQ7 Toggle

0

–

–

0

Any Address

DQ7 Toggle

0

–

–

0

Program Error

Any Address

DQ7 Toggle

1

–

–

0

Chip Erase

Any Address

0

Toggle

0

1

Toggle

0

Block Erase before

Erasing Block

0

Toggle

0

timeout

Non-Erasing Block 0

Toggle

0

0

Toggle

0

0

No

Toggle

0

Block Erase

Erasing Block

0

Toggle

0

Non-Erasing Block 0

Toggle

0

1

Toggle

0

1

No

Toggle

0

Erase Suspend

Erasing Block

1

No

Toggle

0

–

Toggle

1

Non-Erasing Block

Data read as normal

1

Erase Error

Good Block

Address

Faulty Block

Address

0

Toggle

1

0

Toggle

1

1

No

Toggle

0

1

Toggle

0

1. Unspecified data bits should be ignored.

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