LE25S161 datasheet(37/54 Pages) ONSEMI

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LE25S161

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Table 8. SFDP Header

SFDP Header 1

st and 2nd DWORD

Description

Comment

Byte Address

(Hex)

Bits

Data

(Hex)

SFDP Signature

50444653h

(SFDP)

00h

7:0

53h

01h

15:8

46h

02h

23:16

44h

03h

31:24

50h

SFDP Minor Revision Number

Start from 00h

04h

7:0

05h

SFDP Major Revision Number

Start from 01h

05h

15:8

01h

Number of Parameter Headers

02h indicates 3 parameters

06h

23:16

02h

Unused

07h

31:24

FFh

st Parameter Header (JDEC Basic Flash parameters)

Description

Comment

Byte Address

(Hex)

Bits

Data

(Hex)

ID number (JEDEC ID)

00h(JEDEC specified header)

08h

7:0

00h

Parameter Table Minor Revision

Number

Start from 00h

09h

15:8

00h

Parameter Table Major Revision

Number

Start from 01h

0Ah

23:16

01h

Parameter Table Length

(in double word)

How many DWORDs in the Parameter table

10h indicates 16 DWORDs

0Bh

31:24

10h

Parameter Table Pointer (PTP)

First address of JEDEC Flash

Parameter table

0Ch

7:0

40h

0Dh

15:8

00h

0Eh

23:16

00h

Unused

0Fh

31:24

FFh

2nd Parameter Header (Vender parameters 1)

Description

Comment

Byte Address

(Hex)

Bits

Data

(Hex)

ID number

(ON Semiconductor

manufacturer ID)

62h(ON Semiconductor manufacturer ID)

10h

7:0

62h

Parameter Table Minor Revision

Number

Start from 00h

11h

15:8

00h

Parameter Table Major Revision

Number

Start from 01h

12h

23:16

01h

Parameter Table Length

(in double word)

How many DWORDs in the Parameter table

04h indicates 4 DWORDs

13h

31:24

04h

Parameter Table Pointer (PTP)

First address of On Semiconductor

Parameter table

14h

7:0

C0h

15h

15:8

00h

16h

23:16

00h

Unused

17h

31:24

FFh

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