TCS3772

COLOR LIGHT-TO-DIGITAL CONVERTER

with PROXIMITY SENSING

TAOS145B − SEPTEMBER 2012

24

r

r

Copyright

E 2012, TAOS Inc.

The LUMENOLOGY

r Company

www.taosinc.com

Control Register (0x0F)

The Control register provides eight bits of miscellaneous control to the analog block.

Table 14.

Control Register

6

75

4

2

31

0

CONTROL

PDRIVE

Reset

0x00

Reserved

AGAIN

FIELD

BITS

DESCRIPTION

PDRIVE

7:6

Proximity LED Drive Strength.

FIELD VALUE

LED STRENGTH

00

100 mA

01

50 mA

10

25 mA

11

12.5 mA

Reserved

5:2

Reserved.

Write bits as 0

AGAIN

1:0

RGBC Gain Control.

FIELD VALUE

RGBC GAIN VALUE

00

1

01

4

10

16

11

60

ID Register (0x12)

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

Table 15. ID Register

6

75

4

2

31

0

ID

ID

Reset

ID

FIELD

BITS

DESCRIPTION

ID

7:0

Part number identification

0x40 = TCS37721 & TCS37725

ID

7:0

Part number identification

0x49 = TCS37723 & TCS37727