AS7211 datasheet(14/37 Pages) OSRAM

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ams Datasheet

Page 13

[v1-00] 2016-Dec-23

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AS7211 − Detailed Description

AS7211 Smart Lighting Manager - Overview

The Cognitive Light Engine (CLE) is the “brains” of the Smart

Lighting Manager. The CLE constantly processes information

from the photopic sensor, network and inputs while controlling

outputs. Initial setup and ongoing parameter storage is done

by reading and writing an external serial flash memory via SPI

bus.

A luminaire solution for daylighting requires only the AS7211.

A luminaire solution with daylighting and lumen maintenance

requires the addition of an ams TSL4531 single chip ambient

light sensor, connected via I²C. Refer to the table in the Figure

below.

Overall AS7211 timing generation uses an on chip 16MHz

temperature compensated oscillator for master clock timing.

Refer to the separate AS7211 User Guide as well as the ams

Smart Lighting Command Set document for additional usage

and setup information.

Figure 15:

AS7211 Solution Chart

Solution Required

Device Orientation

(from luminaire light source)

Daylighting

Lumen Maintenance

AS7211

TSL4531

(optional)

√

↓

(into room)

(not required)

√

↑

(into luminaire)

(not required)

√√

↑

(into luminaire)

↓

(into room)

Detailed Description

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