Page 24

ams Datasheet

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[v1-00] 2016-Jul-12

TSL2671 − Register Description

Enable Register (0x00)

The ENABLE register is used to power the device on/off, enable

functions, and interrupts.

Figure 26:

Enable Register

Note(s):

1. See Power Management section for more information.

2. A minimum interval of 2.72 ms must pass after PON is asserted before proximity can be initiated. This required time is enforced by

the hardware in cases where the firmware does not provide it.

Proximity Time Control Register (0x02)

The proximity timing register controls the integration time of

the proximity ADC in 2.72 ms increments. It is recommended

that this register be programmed to a value of 0xFF

(1 integration cycle).

Figure 27:

Proximity Time Control Register

Field

Bits

Description

Reserved

7:6

Reserved. Write as 0.

PIEN

5

Proximity interrupt mask. When asserted, permits proximity interrupts to be generated.

Reserved

4

Reserved. Write as 0.

WEN

3

Wait enable. This bit activates the wait feature. Writing a 1 activates the wait timer.

Writing a 0 disables the wait timer.

PEN

2:1

Proximity enable. These bits activate the proximity function. Writing a 11b enables

proximity. Writing a 00b disables proximity. The Wait Time register should be

configured before asserting proximity enable.

PON (1) (2)

0

Power ON. This bit activates the internal oscillator to permit the timers and ADC

channel to operate. Writing a 1 activates the oscillator. Writing a 0 disables the

oscillator.

Field

Bits

Description

Value

Integ_Cycles

Time

Max Count

PTIME

7:0

0xFF

1

2.72 ms

1023

6

75

4

PON

2

31

0

ENABLE

Reserved

Resv

Reserved

Address

0x00

PIEN

WEN

PEN