MX66L51235FMI-10G datasheet(80/83 Pages) MCNIX

80 / 83 page

MX66L51235F

Rev. 1.1, August 02, 2016

P/N: PM1832

9-38. Write-Resume

The Write operation is being resumed when Write-Resume instruction issued. ESB or PSB (suspend status bit) in

Status register will be changed back to “0”

The operation of Write-Resume is as follows: CS# drives low → send write resume command cycle (30h) → drive

CS# high. By polling Busy Bit in status register, the internal write operation status could be checked to be completed

or not. The user may also wait the time lag of TSE, TBE, TPP for Sector-erase, Block-erase or Page-programming.

WREN (command "06") is not required to issue before resume. Resume to another suspend operation requires

latency time of 1ms.

Please note that, if "performance enhance mode" is executed during suspend operation, the device can not

be resumed. To restart the write command, disable the "performance enhance mode" is required. After the

"performance enhance mode" is disabled, the write-resume command is effective.

9-39. No Operation (NOP)

The “No Operation” command is only able to terminate the Reset Enable (RSTEN) command and will not affect any

other command.

Both SPI (8 clocks) and QPI (2 clocks) command cycle can accept by this instruction. The SIO[3:1] are don't care

when during SPI mode.

9-40. Software Reset (Reset-Enable (RSTEN) and Reset (RST))

The Software Reset operation combines two instructions: Reset-Enable (RSTEN) command following a Reset (RST)

command. It returns the device to a standby mode. All the volatile bits and settings will be cleared then, which

makes the device return to the default status as power on.

To execute Reset command (RST), the Reset-Enable (RSTEN) command must be executed first to perform the

Reset operation. If there is any other command to interrupt after the Reset-Enable command, the Reset-Enable will

be invalid.

Both SPI (8 clocks) and QPI (2 clocks) command cycle can accept by this instruction. The SIO[3:1] are don't care

when during SPI mode.

If the Reset command is executed during program or erase operation, the operation will be disabled, the data under

processing could be damaged or lost.

The reset time is different depending on the last operation. For details, please refer to "Table 13. Reset Timing-

(Other Operation)" for tREADY2.

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