AT25QL321 datasheet(41/79 Pages) DIALOG

tên linh kiện	AT25QL321

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

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AT25QL321

DS-25QL321–131C–5/2017

Figure 7-43. Read Manufacturer/ Device ID instruction (QPI Mode)

7.26 Read Manufacturer / Device ID Dual I/O (92h)

The Read Manufacturer/ Device ID Dual I/O instruction provides both the JEDEC assigned manufacturer ID and the

specific device ID.

The Read Manufacturer/ Device ID instruction is very similar to the Fast Read Dual I/O instruction. The instruction is

initiated by driving the CS pin low and shifting the instruction code “92h” followed by a 24‐bit address (A23-A0) of

000000h. After which, the Manufacturer ID for Adesto (1Fh) and the Device ID(15h) are shifted out on the falling edge of

SCK with most significant bit (MSB) first as shown in Figure 7-44. If the 24‐bit address is initially set to 000001h the

Device ID will be read first and then followed by the Manufacturer ID. The Manufacturer and Device ID can be read

continuously, alternating from one to the other. The instruction is completed by driving CS high.

Figure 7-44. Read Dual Manufacturer/ Device ID Dual I/O instruction (SPI Mode)

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