ADT7408

Rev. 0 | Page 14 of 24

Table 9. Temperature Register Trip Status Description

Bit

Definition

Below alarm window

D13

Temperature Alarm Status

0

Temperature is equal to or above the alarm window lower boundary temperature.

D13

Below alarm window

1

Temperature is below the alarm window lower boundary temperature.

Above alarm window

D14

Temperature Alarm Status

0

Temperature is equal to or below the alarm window upper boundary temperature.

D14

Above alarm window

1

Temperature is above the alarm window upper boundary temperature.

Above critical trip

D15

Critical Trip Status

0

Temperature is below the critical temperature setting.

D15

Above critical trip

1

Temperature is equal to or above the critical temperature setting.

ID REGISTERS

Manufacturer ID Register (Read Only)

This manufacturer ID matches that assigned to a vendor within the PCI SIG. This register can be used to identify the manufacturer of the

device in order to perform manufacturer-specific operations. Manufacturer IDs can be found at www.pcisig.com. The format of this

register is shown in the following bit map:

D15

D14

D13

D12

D11

D10

D9

D8

D7

D16

D5

D4

D3

D2

D1

D0

0

0

0

1

0

0

0

1

1

1

0

1

0

1

0

0

Device ID and Revision Register (Read Only)

This device ID and device revision are assigned by the device manufacturer. The device revision starts at 0 and is incremented by 1

whenever an update to the device is issued by the manufacturer. The format of this register in shown in the following bit map:

D15

D14

D13

D12

D11

D10

D9

D8

D7

D6

D5

D4

D3

D2

D1

D0

0

0

0

0

1

0

0

0

0

0

0

0

0

0

0

1