TCS3472_17 Datasheet, PDF (14/40 Pages) ams AG – Red, Green, Blue (RGB), and Clear Light

Figure 18:
RGBC Operation
TCS3472 − Principles of Operation
RGBC Operation
The RGBC engine contains RGBC gain control (AGAIN) and four
integrating analog-to-digital converters (ADC) for the RGBC
photodiodes. The RGBC integration time (ATIME) impacts both
the resolution and the sensitivity of the RGBC reading.
Integration of all four channels occurs simultaneously and upon
completion of the conversion cycle, the results are transferred
to the color data registers. This data is also referred to as channel
count.
The transfers are double-buffered to ensure that invalid data is
not read during the transfer. After the transfer, the device
automatically moves to the next state in accordance with the
configured state machine.
Note(s):
1. In this document, the nomenclature uses the bit field name in italics followed by the register address and bit number to allow the
user to easily identify the register and bit that controls the function. For example, the power on (PON) is in register 0x00, bit 0. This
is represented as PON (r0x00:b0).
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[v1-02] 2016-Feb-08