TMD37253 datasheet(16/56 Pages) OSRAM

номер детали	TMD37253

подробное описание детали	ALS, Color and Proximity Sensor Module

PDF	56 Pages

Scroll/Zoom	100%

производитель	OSRAM [OSRAM GmbH]

домашняя страница	http://www.osram.com

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16 / 56 page

Datasheet, Public

Page 15

[v2-00] 2023-Mar-21

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TMD3725 − Principles of Operation

Figure 17:

Detailed State Diagram

aen

Run ALS

Integration

pen

Run Proximity

Offset Calibration

Run Proximity

Integration

yes

Run Autozero

Calibration

~aen

Oscillator On

(IDLE)

Oscillator Off

(SLEEP)

pon

yes

az-done

yes

az-done = 1

aen | pen

yes

start-offset-calib

yes

aen | pen

wen

yes

aen==1 &&

az-done==0

yes

az-done = 1

yes

Run Autozero

Calibration

Run WTIME timer

az-done &

wtime-done

yes

~wen |

(~aen & ~pen)

wtime-done = 0

wtime-done = 1

autozero calibration is

executed in parallel to

running WTIME timer

wen==0 | (aen==0 & pen==0)

aborts WTIME timer

aen==0

aborts ALS

An I2C Write to az-nth-iteration register, except of the value 00h(disable-az),

resets az-done independent of actual cntrl-state.

In consequence, a new autozero calibration will be started in advance to the

next ALS integration cycle.

az-done = 0 (reset)

az-done = 0, if az-nth

iterations passed since

last AZ calibration.

(refer to note 1

for exceptions)

aen

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