TSL2672

DIGITAL PROXIMITY DETECTOR

TAOS133 − MAY 2012

20

r

r

Copyright

E 2012, TAOS Inc.

The LUMENOLOGY

r Company

www.taosinc.com

Configuration Register (0x0D)

The configuration register sets the proximity LED drive level and wait long time.

Table 10.

6

75

4

2

31

0

CONFIG

Reserved

WLONG

Reset

0x00

PDL

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.

PDL

0

Proximity drive level. When asserted, the proximity LDR drive current is reduced by 9.

Proximity Pulse Count Register (0x0E)

The proximity pulse count register sets the number of proximity pulses that the LDR pin will generate during the

Prox Accum state.

Table 11.

Proximity Pulse Count Register

6

75

4

2

31

0

PPULSE

PPULSE

Reset

0x00

FIELD

BITS

DESCRIPTION

PPULSE

7:0

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