TMD3721 datasheet(52/89 Pages) OSRAM

52 / 89 page

Datasheet, Public

Page 51

[v3-00] 2023-May-26

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TMD3721 − Register Overview

POFFSET Register (Address 0xC0)

Figure 70:

POFFSET Register

POFFSET_SIGN Register (Address 0xC1)

Figure 71:

POFFSET_SIGN Register

Typically, optical and/or electrical crosstalk negatively

influence proximity operation and results. The POFFSET

/POFFSET_SIGN registers provide a mechanism to remove

system crosstalk from the proximity data. POFFSET /POFFSET_

SIGN contains the magnitude and sign of a value that adjusts

PDATA in the AFE. An offset value in the range of ± 255 is

possible.

AZ_CONFIG Register (Address 0xD6)

Figure 72:

AZ_CONFIG Register

Addr: 0xC0

POFFSET

Bit

Bit Name

Default

Access

Bit Description

7:0

POFFSET

0x00

This register contains the magnitude portion of

proximity offset adjust value.

Addr: 0xC1

POFFSET_SIGN

Bit

Bit Name

Default

Access

Bit Description

7:1

Reserved

0000000

Reserved. Must be set to default value.

POFFSET_

SIGN

0RW

This register contains the sign portion of

proximity offset adjust value.

Addr: 0xD6

AZ_CONFIG

Bit

Bit Name

Default

Access

Bit Description

START_MAN_AZ

RW, SC

Starts ALS manual auto zero once the bit is set.

Once auto zero is completed, it's self cleared. This

manual trigger needs to be enabled only when

PON=1 and AEN=0. The user first needs to set

PON=1 and then set this bit.

6:0

AZ_NTH_

ITERATION

1111111

Run autozero automatically every nth ALS

iteration (0=never, 7Fh=only at first ALS cycle,

n=every nth time)

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