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A25S16M8VR-X

更新时间： 2022-02-26 12:26:39

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A25S16M8VR-X 数据手册

A25S16

MEMORY

AiT Semiconductor Inc.

www.ait-ic.com

16M BIT SPI NOR FLASH

Erase / Program Suspend (75H)

The Erase/Program Suspend instruction allows the system to interrupt a Sector or Block Erase operation,

then read from or program data to any other sector. The Erase/Program Suspend instruction also allows the

system to interrupt a Page Program operation and then read from any other page or erase any other sector or

block. The Erase/Program Suspend instruction sequence is shown in Figure 34.

The Write Status Registers instruction (01h) and Erase instructions (20h, D8h, C7h, 60h, 44h) are not allowed

during Erase Suspend. Erase Suspend is valid only during the Sector or Block erase operation. If written

during the Chip Erase operation, the Erase Suspend instruction is ignored. The Write Status Registers

instruction (01h), and Program instructions (02h, 32h, 42h) are not allowed during Program Suspend.

Program Suspend is valid only during the Page Program operation.

Figure 34. Erase/Program Suspend Command Sequence

Erase / Program Resume (7AH)

The Erase/Program Resume instruction “7Ah” must be written to resume the Sector or Block Erase operation

or the Page Program operation after an Erase/Program Suspend. The Resume instruction “7Ah” will be

accepted by the device only if the SUS bit in the Status Register equals to 1 and the WIP bit equals to 0.

After the Resume instruction is issued the SUS bit will be cleared from 1 to 0 immediately, the WIP bit will be

set from 0 to 1 within 200 ns and the Sector or Block will complete the erase operation or the page will

complete the program operation. If the SUS bit equals to 0 or the WIP bit equals to 1, the Resume instruction

“7Ah” will be ignored by the device. The Erase/Program Resume instruction sequence is shown in Figure 35.

Figure 35. Erase/Program Resume Command Sequence

REV1.0

- JUN 2015 RELEASED -

- 49 -

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