EMC6D100 参数 Datasheet PDF下载

Environmental Monitoring and Control Device

Datasheet

7.2 L

IMIT AND

C

ONFIGURATION

R

EGISTERS

............................................................................................. 29

7.3 D

EVICE

S

ET

-U

P

...............................................................................................................................30

7.4 PWM F

AN

S

PEED

C

ONTROL

............................................................................................................. 30

7.4.1 Manual Fan Control Operating Mode ...................................................................................... 30

7.4.2 Auto Fan Control Operating Mode .......................................................................................... 31

7.4.3 Spin Up .................................................................................................................................... 34

7.4.4 Hottest Option.......................................................................................................................... 35

7.5 F

AN

S

PEED

M

ONITORING

.................................................................................................................. 35

7.5.1 Fan Tachometer Inputs ........................................................................................................... 35

7.5.2 Detection of a Stalled Fan ....................................................................................................... 36

7.5.3 Fan Interrupt Status Bits.......................................................................................................... 36

7.6 L

INKING

F

AN

T

ACHOMETERS TO

PWM

S

............................................................................................ 36

7.7 S

YSTEM

S

YNCHRONIZATION

.............................................................................................................. 36

CHAPTER 8

REGISTER SET................................................................................................................ 37

8.1 U

NDEFINED

R

EGISTERS

.................................................................................................................... 40

8.2 R

EGISTER

10

H

: SMSC T

EST

R

EGISTER

............................................................................................ 40

8.3 R

EGISTER

1E, 1F

H

: O

FFSET

R

EGISTERS

........................................................................................... 40

8.4 R

EGISTERS

20-24

H

, 70-72

H

: V

OLTAGE

R

EADING

.............................................................................. 40

8.5 R

EGISTERS

25-27

H

: T

EMPERATURE

R

EADING

................................................................................... 41

8.6 R

EGISTERS

28-2F

H

: F

AN

T

ACHOMETER

R

EADING

.............................................................................. 42

8.7 R

EGISTERS

30-32

H

: C

URRENT

PWM D

UTY

....................................................................................... 42

8.7.1 Manual Mode ........................................................................................................................... 43

8.8 R

EGISTER

3E

H

: C

OMPANY

ID ........................................................................................................... 44

8.9 R

EGISTER

3F

H

: V

ERSION

/ S

TEPPING

................................................................................................ 44

8.10

R

EGISTER

40

H

: R

EADY

/L

OCK

/S

TART

M

ONITORING

........................................................................ 44

8.11

R

EGISTER

41

H

: I

NTERRUPT

S

TATUS

R

EGISTER

1............................................................................ 46

8.12

R

EGISTER

42

H

: I

NTERRUPT

S

TATUS

R

EGISTER

2............................................................................ 47

8.13

R

EGISTER

7D

H

: I

NTERRUPT

S

TATUS

R

EGISTER

3 ........................................................................... 48

8.14

R

EGISTER

43

H

: VID ...................................................................................................................... 48

8.15

R

EGISTERS

44-4D

H

, 73-78

H

: V

OLTAGE

L

IMIT

R

EGISTERS

.............................................................. 49

8.16

R

EGISTERS

4E-53

H

: T

EMPERATURE

L

IMIT

R

EGISTERS

................................................................... 50

8.17

R

EGISTERS

54-5B

H

: F

AN

T

ACHOMETER

L

OW

L

IMIT

........................................................................ 51

8.18

R

EGISTERS

5C-5E

H

: F

AN

C

ONFIGURATION

.................................................................................... 51

8.18.1

Bits [7:5] Zone/Mode ............................................................................................................ 51

8.18.2

Bit [4] PWM Invert ................................................................................................................ 52

8.18.3

Bit [3] Reserved.................................................................................................................... 52

8.18.4

Bits [2:0] Spin Up.................................................................................................................. 52

8.19

R

EGISTERS

5F-61

H

: A

UTO

F

AN

S

PEED

R

ANGE

, PWM F

REQUENCY

................................................ 53

8.20

R

EGISTER

62

H

, 63

H

: M

IN

/O

FF

, S

PIKE

S

MOOTHING

......................................................................... 55

8.21

R

EGISTERS

64-66

H

: M

INIMUM

PWM D

UTY

C

YCLE

......................................................................... 56

8.22

R

EGISTERS

67-69

H

: T

EMPERATURE

LIMIT .................................................................................... 57

8.23

R

EGISTERS

6A-6C

H

: A

BSOLUTE

T

EMPERATURE

L

IMIT

.................................................................... 57

8.24

R

EGISTERS

6D-6E

H

: Z

ONE

HYSTERESIS R

EGISTERS

.................................................................. 58

8.25

R

EGISTER

6F: XOR T

EST

R

EGISTER

............................................................................................. 59

8.26

R

EGISTER

79

H

: T

EST

M

ODE

R

EGISTER

.......................................................................................... 59

8.27

R

EGISTER

7A

H

: E

RROR

D

EBUG

R

EGISTER

..................................................................................... 60

8.28

R

EGISTER

7B

H

: T

EST

D

IGITAL

V

ALUE

R

EGISTER

............................................................................ 61

8.29

R

EGISTER

7C

H

: S

PECIAL

F

UNCTION

R

EGISTER

.............................................................................. 61

8.30

R

EGISTER

7E

H

: I

NTERRUPT

E

NABLE

R

EGISTER

.............................................................................. 62

8.31

R

EGISTER

7F

H

: C

ONFIGURATION

R

EGISTER

................................................................................... 63

8.32

R

EGISTER

80

H

: F

AN

T

EMP

I

NTERRUPT

E

NABLE

R

EGISTER

.............................................................. 64

8.33

R

EGISTER

81

H

: TACH_PWM R

EGISTER

....................................................................................... 65

8.34

R

EGISTER

83

H

: S

YNC

P

ULSE

C

ONFIGURATION

REGISTER: ON/OFF ............................................ 66

8.34.1

Bit [4] ON .............................................................................................................................. 66

8.35

R

EGISTERS

86-88

H

: S

MOOTH

T

EMPERATURE

R

EADING

R

EGISTERS

................................................ 66

SMSC EMC6D100/EMC6D101

Page 5

Rev. 09-09-04

DATASHEET