GD25Q41ASIGT datasheet(33/51 Pages) GIGADEVICE

tên linh kiện	GD25Q41ASIGT

Giải thích chi tiết về linh kiện	Uniform Sector Dual and Quad Serial Flash

PDF	51 Pages

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nhà sản xuất	GIGADEVICE [GigaDevice Semiconductor (Beijing) Inc.]

Trang chủ	http://www.gigadevice.com/

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33 / 51 page

Uniform Sector

Dual and Quad Serial Flash

GD25Q21B

Figure 28. Read Manufacture ID/ Device ID Sequence Diagram

7.24.

Read Manufacture ID/ Device ID Dual I/O (92H)

The Read Manufacturer/Device ID Dual I/O command is an alternative to the Release from Power-Down / Device ID

command that provides both the JEDEC assigned Manufacturer ID and the specific Device ID by dual I/O.

The command is initiated by driving the CS# pin low and shifting the command code “92H” followed by a 24-bit

address (A23-A0) of 000000H. After which, the Manufacturer ID and the Device ID are shifted out on the falling edge of

SCLK with most significant bit (MSB) first as shown in Figure29. If the 24-bit address is initially set to 000001H, the Device

ID will be read first.

Figure 29. Read Manufacture ID/ Device ID Dual I/O Sequence Diagram

Command

90H

CS#

SCLK

High-Z

9 10

28 29 30 31

23 22 21

24-bit address

MSB

34 35 36 37

38 39

42 43 44 45

46 47

Device ID

CS#

SCLK

MSB

Manufacturer ID

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