W83781D datasheet(23/54 Pages) WINBOND

Part #	W83781D

Description	H/W MONITORING IC

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Manufacturer	WINBOND [Winbond]

Direct Link	http://www.winbond.com

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W83781D/W83781G

Publication Release Date: April 14, 2005

- 19 -

Revision 2.0

Bit 2:

The logical 1 enables the IRQ Interrupt output.

Bit 1:

The logical 1 enables the SMI# Interrupt output.

Bit 0:

1

enables startup of monitoring operations

0

puts the part in standby mode.

Note:

The outputs of Interrupt pins will not be cleared if the user writes a zero to this location after an interrupt has occurred

unlike "INT_CLEAR'' bit.

8.4 Interrupt Status Register 1 – Index 41h (Bank 0)

Register Location:

41h

Power on Default Value 00h

Attribute:

Read Only

Size:

8 bits

7

6

5

4

3

2

1

0

IN0

IN1

IN2

IN3

TEMP1

TEMP23

FAN1

FAN2

Bit 7:

The logical 1 indicates the fan count limit has been exceeded.

Bit 6:

The logical 1 indicates the fan count limit has been exceeded.

Bit 5:

The logical 1 indicates a High or Low limit has been exceeded from temperature

sensor 2 or

sensor 3. The high and low limits value are defined in index registers: 53h-

56h of the Bank 1.

Bit 4:

The logical 1 indicates a High or Low limit has been exceeded from temperature sensor 1.

Bit 3-0: The logical 1 indicates a High or Low limit has been exceeded.

8.5 Interrupt Status Register 2 – Index 42h (Bank 0)

Register Location:

42h

Power on Default Value 00h

Attribute:

Read Only

Size:

8 bits

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