AT25SL321 datasheet(42/82 Pages) DIALOG

부품명	AT25SL321

상세설명	32-Mbit, 1.7 V Minimum SPI Serial Flash Memory with Dual I/O, Quad I/O and QPI Support

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AT25SL321

DS-25SL321–112H–2020-10

8.22 Erase / Program Resume (7Ah)

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

upon an Erase/Program Suspend. The Resume instruction 7Ah is accepted by the device only if the SUS bit in

the Status Register equals 1 and the BUSY bit equals 0. After issue, the SUS bit is cleared from 1 to 0

immediately, the BUSY bit is set from 0 to 1 within 200 ns and the Block completes the erase operation or the page

completes the program operation. If the SUS bit equals to 0 or the BUSY bit equals to 1, the Resume

instruction 7Ah is ignored by the device.

Resume instruction cannot be accepted if the previous Erase/Program Suspend operation was interrupted by

unexpected power off. It is also required that a subsequent Erase/Program Suspend instruction not to be issued

within a minimum of time of tSUS following a previous Resume instruction. See Figure 8-35 and Figure 8-36.

Figure 8-35. Erase / Program Resume Instruction (SPI Mode)

Figure 8-36. Erase / Program Resume Instruction (QPI Mode)

AT25SL321 데이터시트(PDF) 42 Page - Dialog Semiconductor