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May 12, 2010

IDT Confidential

Manufacturer ID Register

Manufacturer ID Register

The Manufacturer ID Register holds the PCI SIG number assigned to the specific manufacturer.

Device ID/Revision Register

Device ID/Revision Register

The upper byte of the Device ID / Revision Register stores a unique number indicating the TSE2002B3C from other devices.

The lower byte holds the revision value.

Resolution Register

This register allows the user to change the resolution of the temperature sensor. The POR default resolution is 0.25°C. The resolution imple-

mented via this register is also reflected in the capability register.

Resolution Register

Legend:

Resolution bits 4-3 TRES[4:3]

00 = LSB = 0.5°C (register value = 0007)

01 = LSB = 0.25°C (register value = 000F)

10 = LSB = 0.125°C (register value = 0017)

11 = LSB = 0.0625°C (register value = 001F)

Conversion times for each resolution are less than 100ms (worst case).

Bits 0, 1, and 2 are used for test purposes and should only be set to ‘1’.

Functions of bits [0:2]

Bit 0 – gets mapped into bit 0 of capabilities register.

Bit 1 – gets mapped into bit 1 of capabilities register.

Bit 2 – gets mapped into bit 2 of capabilities register.

ADDR

R/W

B15/B7

B14/B6

B13/B5

B12/B4

B11/B3

B10/B2

B9/B1

B8/B0

Default

06

R/W

00

0

0

0

0

0

0

00B3

10

1

1

0

0

1

1

ADDR

R/W

B15/B7

B14/B6

B13/B5

B12/B4

B11/B3

B10/B2

B9/B1

B8/B0

Default

07

R/W

001

01

00

1

2903

000

00

01

1

ADDR

R/W

B15/B7

B14/B6

B13/B5

B12/B4

B11/B3

B10/B2

B9/B1

B8/B0

Default

Value

08h

R/W

0

0

0

0

0

0

0

0

000F

0

0

0

TRES[1]

TRES[0]

1

1

1