AT25SL641 datasheet(38/76 Pages) DIALOG

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AT25SL641

DS-25SL641–113F–12/2018

Unexpected power- off during the Erase/Program suspend state resets the device and releases the suspend state. The

SUS bit in the Status Register is also reset to 0. The data within the page or block that was being suspended may

become corrupted. It is recommended for the user implement system design techniques t o g u a r d against the

accidental power interruption and preserve data integrity during the erase/program suspend state. (Please refer to

Figure 7-32 and Figure 7-33).

Figure 7-32. Erase Suspend Instruction (SPI Mode)

Figure 7-33. Erase Suspend Instruction (QPI Mode)

7.22

Erase / Program Resume (7Ah)

The Erase/Program Resume instruction 7Ah is used to restart the Block Erase operation or the Page Program operation

after an Erase/Program Suspend (75h). The Resume instruction 7Ah is accepted by the device only if the SUS bit in the

Status Register is set and the BUSY bit is cleared. After the 7Ah instruction is issued, hardware clears the SUS bit

immediately and sets the BUSY bit within 200ns. The block completes the erase operation or the page completes the

program operation. If e i t h e r the SUS bit is cleared or the BUSY bit is set, the Resume instruction 7Ah is ignored by

the device.

AT25SL641 데이터시트(PDF) 38 Page - Dialog Semiconductor