TMD2772

DIGITAL ALS

and PROXIMITY MODULE

TAOS147

E − DECEMBER 2012

25

The LUMENOLOGY

r Company

r

r

Copyright

E 2012, TAOS Inc.

www.taosinc.com

Revision Register (0x11)

The Revision register shows the silicon revision number. It is a read-only register and shows the revision level

of the silicon used internally.

Table 15.

Revision Register

6

75

4

DIE_REV

2

31

0

REVISION

Reserved

Reset

Rev Num

FIELD

BITS

DESCRIPTION

Reserved

7:4

Reserved

Bits read as 0

DIE_REV

3:0

Die revision number

Die revision number

ID Register (0x12)

The ID Register provides the value for the part number. The ID register is a read-only register.

Table 16. ID Register

6

75

4

2

31

0

ID

ID

Reset

ID

FIELD

BITS

DESCRIPTION

ID

7:0

Part number identification

0x30 = TMD27721

ID

7:0

Part number identification

0x39 = TMD27723

Status Register (0x13)

The Status Register provides the internal status of the device. This register is read only.

Table 17. Status Register

6

75

4

AVALID

2

31

0

STATUS

Reserved

Resv

AINT

Reset

0x00

Reserved

PINT

PVALID

PSAT

FIELD

BIT

DESCRIPTION

Reserved

7

Reserved. Bit reads as 0.

PSAT

6

Proximity Saturation. Indicates that the proximity measurement saturated.

PINT

5

Proximity Interrupt. Indicates that the device is asserting a proximity interrupt.

AINT

4

ALS Interrupt. Indicates that the device is asserting an ALS interrupt.

Reserved

3:2

Reserved. Bits read as 0.

PVALID

1

Proximity Valid. Indicates that the proximity channel has completed an integration cycle after PEN has been

asserted.

AVALID

0

ALS Valid. Indicates that the ALS channels have completed an integration cycle after AEN has been

asserted.