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AS7421

Datasheet

• PUBLIC

DS000667

• v1-00 • 2022-Aug-25

│ 41

10.2.18

STATUS_3 Register (Address 0x73)

Figure 48:

STATUS_3 Register

Addr: 0x73

STATUS_3

Bit

Bit Name

Default

Access

Bit Description

7:0

LTF_ASAT [15:8]

Analog saturation

If set to “1”, analog saturation of modulators 8 to 15

10.2.19

STATUS_6 Register (Address 0x76)

Figure 49:

STATUS_6 Register

Addr: 0x76

STATUS_6

Bit

Bit Name

Default

Access

Bit Description

TEMP_ASAT

Analog saturation of temperature

LTF_READY

Measurement is finished. New measurement can be

started.

LTF_BUSY

Measurement is active. New measurement cannot be

started.

10.2.20

STATUS_7 Register (Address 0x77)

The register STATUS_7 contains the information to the interrupt status. The interrupt status is

automatically reset after reading the corresponding bit.

Before reading the data of the last measurement register STATUS_7 has to be read first.

Figure 50:

STATUS_7 Register

Addr: 0x77

STATUS_7

Bit

Bit Name

Default

Access

Bit Description

7:6

I2C_DATA_PTR

Information to read data pointer for the temperature

and spectral measurement data

DLOST

Measurement data has been lost. Time for reading is

larger than the time of a measurement

DSAT

Digital saturation occurred during the measurement

ASAT

Analog saturation occurred during the measurement

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