SA25F010LEM8 Ver la hoja de datos (PDF) - Saifun Semiconductors

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SA25F010LEM8

1Mb Serial Flash with 25MHz SPI Bus Interface

Saifun Semiconductors 

Write Protect

The WPb pin enables write operations to

the status register when held high. When

the WPb pin is brought low and the

WPBEN bit is 1, all write operations to the

status register are inhibited (for more

details, refer to Table 11, page 21). If WPb

goes low while CSb is still low, the write to

the status register is interrupted. If the

internal write cycle has already been

initiated, WPb going low has no effect on

any write operations to the status register.

The WPb pin function is blocked when the

WPBEN bit in the status register is 0,

which enables the user to install the

SA25F010 in a system with the WPb pin

tied to ground but still able to write to the

status register. All WPb pin functions are

enabled when the WPBEN bit is set to 1.

SA25F010 Advanced Information

SAIFUN

16

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