Rainbow-electronics DS2422 manuals

Rainbow electronics DS2422 User Manual (48 pages)

Brand: Rainbow-electronics | Category: Control panel | Size: 0.43 MB |

English

Table of contents

1-Wire Temperature/Datalogger

1

ELECTRICAL CHARACTERISTICS

2

3.5 4 4.5

3

PIN DESCRIPTION

6

DESCRIPTION

6

APPLICATION

6

OVERVIEW

8

PARASITE POWER

9

64-BIT LASERED ROM

9

Figure 5. 64-Bit Lasered ROM

10

Figure 7. DS2422 Memory Map

10

TIMEKEEPING AND CALENDAR

12

SAMPLE RATE

13

TEMPERATURE CONVERSION

13

SERIAL DATA INPUT

14

TEMPERATURE SENSOR ALARM

15

SERIAL INPUT ALARM

15

REAL-TIME CLOCK CONTROL

16

MISSION CONTROL

17

ALARM STATUS

18

GENERAL STATUS

18

MISSION START DELAY

19

MISSION TIME STAMP

19

MISSION PROGRESS INDICATOR

20

OTHER INDICATORS

20

SECURITY BY PASSWORD

20

Password Control Register

21

Read Access Password Register

21

Full Access Password Register

21

SERIAL DATA INTERFACE TUNING

22

TEMPERATURE CONVERTER TRIM

22

DATALOG MEMORY USAGE

22

MISSIONING

24

Figure 11. Address Registers

25

WRITING WITH VERIFICATION

26

READ SCRATCHPAD COMMAND [AAh]

26

28 of 48

28

29 of 48

29

30 of 48

30

31 of 48

31

32 of 48

32

FORCED CONVERSION [55h]

33

MEMORY ACCESS CONFLICTS

33

1-Wire BUS SYSTEM

34

HARDWARE CONFIGURATION

34

TRANSACTION SEQUENCE

35

INITIALIZATION

35

OVERDRIVE SKIP ROM [3Ch]

37

OVERDRIVE MATCH ROM [69h]

37

38 of 48

38

39 of 48

39

1-Wire SIGNALING

40

Read/Write Time Slots

40

Master-to-Slave

41

Slave-to-Master

41

IMPROVED NETWORK BEHAVIOR

42

CRC GENERATION

42

READ SCRATCHPAD (CANNOT FAIL)

44

STOP MISSION WITH PASSWORD

46

PACKAGE INFORMATION

48

Rainbow electronics DS2422 User Manual (25 pages)

Brand: Rainbow-electronics | Category: Control panel | Size: 0.45 MB |

English

Table of contents

DS2422/DS2423

1

OVERVIEW

2

PARASITE POWER

2

64-BIT LASERED ROM

2

BLOCK DIAGRAM Figure 1

3

64-BIT LASERED ROM Figure 3

4

1-WIRE CRC GENERATOR Figure 4

4

WRITING WITH VERIFICATION

5

MEMORY FUNCTION COMMANDS

5

Read Scratchpad Command [AAH]

6

Copy Scratchpad [5AH]

6

DS242X MEMORY MAP Figure 5

7

ADDRESS REGISTERS Figure 6

7

Read Memory [F0H]

7

Read Memory + Counter [A5H]

8

10 of 25

10

11 of 25

11

12 of 25

12

13 of 25

13

1-WIRE BUS SYSTEM

14

HARDWARE CONFIGURATION

14

TRANSACTION SEQUENCE

14

15 of 25

15

Overdrive Match ROM [69H]

16

17 of 25

17

18 of 25

18

1-WIRE SIGNALING

19

Read/Write Time Slots

19

20 of 25

20

CRC GENERATION

21

Figure 12

22

23 of 25

23

24 of 25

24

25 of 25

25

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