Data Sheet

TCS3404, TCS3414

DIGITAL COLOR SENSORS

TAOS137A − APRIL 2011

The LUMENOLOGY r Company

www.taosinc.com

APPLICATION INFORMATION: SOFTWARE

When the INTEG_MODE field value is set to 10b, an externally-controlled synchronization input (SYNC) is used

to trigger the start of an integration period. The integration period starts on the rising edge of the SYNC pulse,

triggers a single, internally-timed integration cycle, and continues until the Nominal Integration Time, as defined

in the PARAM field, is completed.

SYNC IN

Integration Period

Time duration determined by

PARAM field (nominal

integration time)

INTERRUPT

NOTE: ADC_EN must be toggled (i.e. from high to low and back to high again) before next integration cycle

Figure 23. One-Shot Integration (INTEG_MODE 10b) Falling Edge

1. Enable ADC_EN (= 1)

2. Set PARAM for desired integration cycle (12ms, 100ms, or 400ms)

3. Set INTEG_MODE to 10b

4. Disable SYNC and clear INTR

5. Read channel data