EMC2104 datasheet(48/101 Pages) SMSC

48 / 101 page

Dual RPM-Based PWM Fan Controller with Hardware Thermal Shutdown

Datasheet

Revision 1.74 (05-08-08)

SMSC EMC2104

DATASHEET

ADh

R/W

LUT 2 Temp 3

Setting 6

Stores the threshold level for the

External Diode 3 channel (or VIN3 or

TRIP_SET voltage or Pushed Temp 3

temp) that is associated with the Drive 6

value

7Fh

(127°C)

LUT

Lock 2

Page 78

AEh

R/W

LUT 2 Temp 4

Setting 6

Stores the threshold level for the

Internal Diode channel (or Pushed

Temp 4 temp) that is associated with the

Drive 6 value

7Fh

(127°C)

LUT

Lock 2

Page 78

AFh

R/W

LUT 2 Drive 7

Stores the seventh programmed drive

setting for LUT 2

92h

LUT

Lock 2

Page 78

B0h

R/W

LUT 2 Temp 1

Setting 6

Stores the threshold level for the

External Diode 1 (or VIN1) channel that

is associated with the Drive 7 value

7Fh

(127°C)

LUT

Lock 2

Page 78

B1h

R/W

LUT 2 Temp 2

Setting 6

Stores the threshold level for the

External Diode 2 (or VIN2) channel that

is associated with the Drive 7 value

7Fh

(127°C)

LUT

Lock 2

Page 78

B2h

R/W

LUT 2 Temp 3

Setting 6

Stores the threshold level for the

External Diode 3 channel (or VIN3 or

TRIP_SET voltage or Pushed Temp 3

temp) that is associated with the Drive 7

value

7Fh

(127°C)

LUT

Lock 2

Page 78

B3h

R/W

LUT 2 Temp 4

Setting 6

Stores the threshold level for the

Internal Diode channel (or Pushed

Temp 4 temp) that is associated with the

Drive 7 value

7Fh

(127°C)

LUT

Lock 2

Page 78

B4h

R/W

LUT 2 Drive 8

Stores the highest programmed drive

setting for LUT 2

92h

LUT

Lock 2

Page 78

B5h

R/W

LUT 2 Temp 1

Setting 8

Stores the threshold level for the

External Diode 1 (or VIN1) channel that

is associated with the Drive 8 value

7Fh

(127°C)

LUT

Lock 2

Page 78

B6h

R/W

LUT 2 Temp 2

Setting 8

Stores the threshold level for the

External Diode 2 (or VIN2) channel that

is associated with the Drive 8 value

7Fh

(127°C)

LUT

Lock 2

Page 78

B7h

R/W

LUT 2 Temp 3

Setting 8

Stores the threshold level for the

External Diode 3 channel (or VIN3 or

TRIP_SET voltage or Pushed Temp 3

temp) that is associated with the Drive 8

value

7Fh

(127°C)

LUT

Lock 2

Page 78

B8h

R/W

LUT 2 Temp 4

Setting 8

Stores the threshold level for the

Internal Diode channel (or Pushed

Temp 4 temp) that is associated with the

Drive 8 value

7Fh

(127°C)

LUT

Lock 2

Page 78

B9h

R/W

LUT 2 Temp

Hysteresis

Stores the hysteresis that is shared for

all temperature inputs

0Ah

(10°C)

LUT

Lock 2

Page 78

GPIO Registers

Table 6.1 EMC2104 Register Set (continued)

ADDR

R/W

NAME

FUNCTION

DEFAULT

VALUE

LOCK

PAGE

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