DS2422S datasheet(10/48 Pages) DALLAS

Part #	DS2422S

Description	1-Wire Temperature/Datalogger with 8kB Datalog Memory

Download	48 Pages

Scroll/Zoom	100%

Manufacturer	DALLAS [Dallas Semiconductor]

Direct Link	https://www.maximintegrated.com/en.html

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10 / 48 page

DS2422

10 of 48

Figure 5. 64-Bit Lasered ROM

MSB

LSB

8-Bit

CRC Code

48-Bit Serial Number

8-Bit Family

Code (41h)

MSB

LSB

MSB

LSB

MSB

LSB

Figure 6. 1-Wire CRC Generator

X

0

X

1

X

2

X

3

X

4

X

5

X

6

X

7

X

8

Polynomial = X

8 + X5 + X4 + 1

1

st

STAGE

2

nd

STAGE

3

rd

STAGE

4

th

STAGE

6

th

STAGE

5

th

STAGE

7

th

STAGE

8

th

STAGE

INPUT DATA

Figure 7. DS2422 Memory Map

32-Byte Intermediate Storage Scratchpad

ADDRESS

0000H to

001FH

32-Byte General-Purpose SRAM (R/W)

Page 0

0020H to

01FFH

General-Purpose SRAM (R/W)

Pages 1

to 15

0200H to

021FH

32-Byte Register Page 1

Page 16

0220H to

023FH

32-Byte Register Page 2

Page 17

0240H to

025FH

Calibration Memory Page 1 (R/W)

Page 18

0260H to

027FH

Calibration Memory Page 2 (R/W)

Page 19

0280H to

03FFH

(Reserved For Future Extensions)

Pages 20 to 31

0400H to

041FH

Trim Register Page (R/W)

Page 32

0420H to

0FFFH

(Reserved For Future Extensions)

Pages 33 to 127

1000H to

2FFFH

Datalog Memory (Read-Only)

Pages 128

to 383

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DS2422S Datasheet(PDF) 10 Page - Dallas Semiconductor

DS2422S Datasheet(HTML) 10 Page - Dallas Semiconductor

Similar Part No. - DS2422S

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