AT25SL321 datasheet(22/82 Pages) DIALOG

tên linh kiện	AT25SL321

Giải thích chi tiết về linh kiện	32-Mbit, 1.7 V Minimum SPI Serial Flash Memory with Dual I/O, Quad I/O and QPI Support

PDF	82 Pages

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AT25SL321

DS-25SL321–112H–2020-10

8.5

Read Status Register-1 (05h) and Read Status Register-2 (35h)

The Read Status Register instructions are to read the Status Registers. The Read Status Register can be

executed at any time (even in program/erase/write Status Register and Write Security Register condition). It is

recommended to check the BUSY bit before sending a new instruction when a Program, Erase, Write Status

The instruction is entered by driving CS low and sending the instruction code 05h for Status Register-1 or 35h for

Status Register-2 onto the SI pin on the rising edge of SCK. The Status register bits are then shifted out on the SO

pin at the falling edge of SCK with the most significant bit (MSB) first as shown in (Figure 8-4 and Figure 8-5). The

Status Register can be read continuously. The instruction is completed by driving CS high.

Figure 8-4. Read Status Register Instruction (SPI Mode)

Figure 8-5. Read Status Register Instruction (QPI Mode)

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