Datasheet

ManualsBrandsMAXIM INTEGRATED ManualsPhotoelectric SensorsPhoto sensor 1 pc(s) 1.7 - 3.6 Vdc (L x W x H) 2 x 2 x 0.6 mm

Industry’s Lowest-Power

Ambient Light Sensor with ADC

Industry’s Lowest-Power

Ambient Light Sensor with ADC

Figure 2. Typical Operating Sequence

N

N

Y

Y

START

READ MAX44009 AMBIENT LUX,

SET APPROPRIATE BACKLIGHT STRENGTH

WRITE TO UPPER LUX THRESHOLD,

LOWER LUX THRESHOLD, AND

LUX THRESHOLD TIMER REGISTERS

WORK ON TASKS/SLEEP UNTIL WOKEN BY

HARDWARE INTERRUPT

WOKEN BY

INTERRUPT?

READ INTS BIT TO CONFIRM

CHECK OTHER INTERRUPT

SOURCES

MAX44009 CAUSED

INTERRUPT?

14

Maxim Integrated

MAX44009