LE25S161 datasheet(13/54 Pages) ONSEMI

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LE25S161

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9. Status Registers

The status registers hold the operating and setting statuses inside the device, and this information can be read by Read

Status Register (RDSR) and the protect information can be rewritten by Write Status Register (WRSR). There are 8 bits in

total, and "Table 3. Status registers" gives the significance of each bit.

Table 3. Status Registers

Bit

Name

Logic

Function

Power-on Time Information

Bit0

RDY

Ready

Erase/Program

Bit1

WEN

Write disabled

Write enabled

Bit2

BP0

Block protect information

Protected area switch

Nonvolatile information

Bit3

BP1

Bit4

BP2

Bit5

Block protect

Upper side/Lower side switch

Nonvolatile information

Bit6

SUS

Erase/Program is not suspended

Erase/Program suspended

Bit7

SRWP

Write Status Register enabled

Nonvolatile information

Write Status Register disabled

Note: All non-volatile bits of the status registers-1 are set "0" in the factory.

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