SST25PF080B datasheet(17/32 Pages) MICROCHIP

tên linh kiện	SST25PF080B

Giải thích chi tiết về linh kiện	8 Mbit 2.3-3.6V SPI Serial Flash

PDF	32 Pages

Scroll/Zoom	100%

nhà sản xuất	MICROCHIP [Microchip Technology]

Trang chủ	http://www.microchip.com

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 2014 Microchip Technology Inc.

DS20005137B-page 17

SST25PF080B

4.8.6

JEDEC READ-ID

The JEDEC Read-ID instruction identifies the device as

SST25PF080B and the manufacturer as Microchip.

The device information can be read from executing the

8-bit command, 9FH. Following the JEDEC Read-ID

instruction, the 8-bit manufacturer’s ID, BFH, is output

from the device. After that, a 16-bit device ID is shifted

out on the SO pin. Byte 1, BFH, identifies the manufac-

turer as Microchip. Byte 2, 25H, identifies the memory

type as SPI Serial Flash. Byte 3, 8EH, identifies the

device as SST25PF080B. The instruction sequence is

shown in Figure 4-18. The JEDEC Read ID instruction

is terminated by a low to high transition on CE# at any

time during data output.

FIGURE 4-18:

JEDEC READ-ID SEQUENCE

25137 JEDECID.1

CE#

SCK

012345678

HIGH IMPEDANCE

15 16

28 29 30 31

MODE 3

MODE 0

MSB

9 10111213

1718

19 20 21 22 23

24 25 26 27

TABLE 4-6:

JEDEC READ-ID DATA

Manufacturer’s ID

Device ID

Memory Type

Memory Capacity

Byte1

Byte 2

Byte 3

BFH

25H

8EH

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