ALS-PDIC17-57B-TR8_15 Datasheet, PDF (11/21 Pages) Everlight Electronics Co., Ltd – Digital Ambient Light Sensor

DATASHEET
SMD  I²C Digital Ambient Light Sensor
ALS-PDIC17-57B/TR8
Ambient light intensity count value can be obtained by reading registers of this device. Ambient light intensity
count is a 15-bit wide number plus a valid bit and hence word (two bytes) read operation is needed, as shown in Figure
16. After receiving the two byte data, the I²C master terminates this transaction by issuing a NACK command to indicate
that the master only wanted to read two bytes from the device. The master generates a stop condition to end this
transaction.
Figure 16 I²C Timing Diagram for Receive Word Format
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