SST26VF032BEUI datasheet(23/76 Pages) MICROCHIP

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 2019 Microchip Technology Inc.

DS20006152A-page 23

SST26VF032BEUI

5.14

JEDEC-ID Read (SPI Protocol)

Using traditional SPI protocol, the JEDEC-ID Read

instruction identifies the device as SST26VF032BEUI

and the manufacturer as Microchip®. To execute a

JECEC-ID operation the host drives CE# low then

sends the JEDEC-ID command cycle (9FH).

Immediately

following

the

command

cycle,

SST26VF032BEUI output data on the falling edge of

the SCK signal. The data output stream is continuous

until terminated by a low-to-high transition on CE#. The

device outputs three bytes of data: manufacturer,

device type, and device ID, see Table 5-4. See Figure

5-16 for instruction sequence.

FIGURE 5-16:

JEDEC-ID SEQUENCE (SPI)

5.15

Read Quad J-ID Read (SQI

Protocol)

The Read Quad J-ID Read instruction identifies the

device as SST26VF032BEUI and manufacturer as

Microchip. To execute a Quad J-ID operation the host

drives CE# low and then sends the Quad J-ID com-

mand cycle (AFH). Each cycle is two nibbles (clocks)

long, most significant nibble first.

Immediately following the command cycle and one

dummy cycle, SST26VF032BEUI output data on the

falling edge of the SCK signal. The data output stream

is continuous until terminated by a low-to-high transi-

tion of CE#. The device outputs three bytes of data:

manufacturer, device type, and device ID, see Table 5-

4. See Figure 5-17 for instruction sequence.

FIGURE 5-17:

QUAD J-ID READ SEQUENCE

TABLE 5-4:

DEVICE ID DATA OUTPUT

Product

Manufacturer ID (Byte 1)

Device ID

Device Type (Byte 2)

Device ID (Byte 3)

SST26VF032BEUI

BFH

26H

42H

Device ID

20005218 F38.0

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

BFH

Device ID

Dummy

BFH

MSN

LSN

26H

20005218 F55.0

SCK

SIO(3:0)

CE#

913

MODE 3

MODE 0

Note: MSN = Most significant Nibble; LSN= Least Significant Nibble. C{1:0]=AFH

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