Datasheet

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