AS6221T

Register description

Datasheet

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Figure 8: Alert operation modes

The following table defines the content of the registers TLOW and THIGH. For data

transmission, the MSB byte is transmitted first, followed by the LSB byte. The data format for

representing the threshold temperatures is equal to the temperature register (TVAL). After a

power-up, the registers are initialized with the following default values:

ALERT output

cleared

ALERT output

active

ALERT output

cleared

ALERT output

active

T

≥ THIGH for

N consecutive cycles

Read operation

or

Set to sleep mode

T

≤ TLOW for

N consecutive cycles

Read operation

or

Set to sleep mode

Interrupt Mode

ALERT output

cleared

ALERT output

active

Comparator Mode

T

≥ THIGH for

N consecutive cycles

T

≤ TLOW for

N consecutive cycles

IM=1

IM=0

General Reset

Command