AS8579-ASST datasheet(26/44 Pages) OSRAM

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AS8579

Datasheet

• PUBLIC

DS000707

• v4-01 • 2022-Jun-08

│ 25

Read

ADDR

Write

ADDR

Name

Default

Description

0x22

0x32

TXV

0x0000

Sensor Driver Voltage Selection

0x23

0x33

SEN/MODE

0x0000

MUX control for the connected SENx Pins

0x24

0x34

SDG

0x0000

VAR_SEN Gain Selection

0x25

0x35

CBG

0x0000

Current Buffer Gain Selection

0x26

0x36

DCLK

0x0000

Demodulation Clock Selection

0x27

0x37

PGA

0x0000

Command sets the PGA voltage Gain. Adjusts

the input voltage to the ADC to optimize its

conversion resolution.

0x28

0x38

OFFSET_I PGA

0x0000

Command is used to program the offset DAC

to compensate parasitic offsets

0x29

0x39

OFFSET_Q PGA

0x0000

Command is used to program the offset DAC

to compensate parasitic offsets

0x2A

0x3A

ADCTL

0x0000

Controls the ADC converter cycles

0x2B

0x3B

BLANK

0x003F

This Register is used to program the 6-Bit

faults

0x2C

0x3C

PLUS/MINUS

0x00FF

Control the pin-to-pin short diagnostic MUX

7.2

Detailed Register Description

7.2.1

Sensor ID Register (Address 0x01)

The 0x01 command is used to read the ID Register. Reading this register will always return 0xA431.

This is used by the microprocessor to validate the SPI communication to the sensor.

Figure 22:

SENSOR ID Register

AS8579 ID [15:0] Binary

Read/Write

Default Value

1010 0100 0011 0001

0xA431

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