TSL2771

LIGHT-TO-DIGITAL CONVERTER

with PROXIMITY SENSING

TAOS100B − FEBRUARY 2011

22

r

r

Copyright

E 2011, TAOS Inc.

The LUMENOLOGY

r Company

www.taosinc.com

Configuration Register (0x0D)

The configuration register sets the wait long time.

Table 10.

6

75

4

2

31

0

CONFIG

Reserved

WLONG

Address

0x0D

Reserved

FIELD

BITS

DESCRIPTION

Reserved

7:2

Reserved. Write as 0.

WLONG

1

Wait Long. When asserted, the wait cycles are increased by a factor 12

WTIME register.

Reserved

0

Reserved. Write as 0.

Proximity Pulse Count Register (0x0E)

The proximity pulse count register sets the number of proximity pulses that will be transmitted. When proximity

detection is enabled, a proximity detect cycle occurs after each ALS cycle. PPULSE defines the number of

pulses to be transmitted at a 62.5-kHz rate.

NOTE: The ATIME register will be used to time the interval between proximity detection events even if the ALS

function is disabled.

Table 11.

Proximity Pulse Count Register

6

75

4

2

31

0

PPULSE

PPULSE

Address

0x0E

FIELD

BITS

DESCRIPTION

PPULSE

7:0

Proximity Pulse Count. Specifies the number of proximity pulses to be generated.