TCS37717FN Datasheet, PDF (22/48 Pages) List of Unclassifed Manufacturers – The benefits and features of the TCS3771 are listed below

Figure 26:
Expanded State Diagram
TCS3771 − Principles of Operation
State Diagram
Figure 26 shows a more detailed flow for the state machine. The
device starts in the sleep mode. The PON bit is written to enable
the device. A 2.4ms delay will occur before entering the start
state. If the PEN bit is set, the state machine will step through
the proximity states of proximity accumulate and then
proximity ADC conversion. As soon as the conversion is
complete, the state machine will move to the following state.
If the WEN bit is set, the state machine will then cycle through
the wait state. If the WLONG bit is set, the wait cycles are
extended by 12× over normal operation. When the wait counter
terminates, the state machine will step to the RGBC state.
The AEN should always be set, even in proximity-only operation.
In this case, a minimum of 1 integration time step should be
programmed. The RGBC state machine will continue until it
reaches the terminal count at which point the data will be
latched in the RGBC register and the interrupt set, if enabled.
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[v1-20] 2014-Aug-06