45PE80 Ver la hoja de datos (PDF) - Micron Technology

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Fabricante

45PE80

Micron Serial NOR Flash Memory

Micron Technology 

75MHz, Serial Peripheral Interface Flash Memory

READ STATUS REGISTER

Figure 10: Status Register Format

b7

0

0

0

0

0

b0

0

WEL

WIP

WIP Bit

WEL Bit

Write enable latch bit

Write in progress bit

The write in progress (WIP) bit is a volatile read-only bit that indicates whether the

memory is busy with a WRITE, a PROGRAM, or ERASE cycle. When the WIP bit is set to

1, a cycle is in progress; when the WIP bit is set to 0, a cycle is not in progress. WIP is set

and reset automatically by the internal logic of the device.

The write enable latch (WEL) bit is a volatile read-only bit that indicates the status of

the internal write enable latch. When the WEL bit is set to 1, the internal write enable

latch is set; when the WEL bit is set to 0, the internal write enable latch is reset and no

WRITE , PROGRAM, or ERASE command is accepted. The WEL bit is set and reset by

specific commands.

PDF: 09005aef845660e5

m45pe80.pdf - Rev. C 03/14 EN

21

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