AT25QL641 datasheet(55/77 Pages) DIALOG

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AT25QL641

DS-25QL641–130E–10/2018

Parameter Table Pointer

Address of Adesto

Parameter Table

0Ch

07:00

0011 0000

30h

0Dh

15:08

0000 0000

00h

0Eh

23:16

0000 0000

00h

JEDEC Parameter ID (MSB)

JEDEC Parameter ID

(MSB):FFH

0Fh

31:24

1111 1111

FFh

JEDEC Parameter ID (LSB)

Adesto Manufacturer ID

10h

07:00

0001 1111

1Fh

Parameter Table Minor

Revision

Start from 00h

11h

15:08

0000 0000

00h

Parameter Table Major

Revision

Start from 01h

12h

23:16

0000 0001

01h

Parameter Table Length

(double words)

How many DWORDs in

the parameter table

13h

31:24

0000 0010

02h

Parameter Table Pointer

(PTP)

Address of Adesto

Parameter Table

14h

07:00

1000 0000

80h

15h

15:08

0000 0000

00h

16h

23:16

0000 0000

00h

Reserved

FFh

17h

31:24

0000 0001

01h

Table 7-9.

SFDP Signature and Headers (Continued)

Description

Comment

Address

(h) Byte

Address

(Bit)

Data (b)

(Bit)

Data (h)

(Byte)

Table 7-10. SFDP Parameters Table 1

Description

Comment

Address

(h) Byte

Address

(Bit)

Data (b)

(Bit)

Data (h)

(Byte)

Erase Granularity

01: 4 KB available

11: 4 KB not available

30h

01:00

E5h

Write Granularity

0: 1 byte

1: 64 bytes or larger

Volatile Status Register Block

Protect Bits

0: Nonvolatile status bit

1: Volatile status bit

Volatile Status Register Write

Enable Opcode

0: 50h Opcode to enable,

if bit-3 = 1

Reserved

07:05

111

4KB Erase Opccde

Opcode or FFh

31h

15:08

0010 0000

20h

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