TMD3721 datasheet(45/89 Pages) OSRAM

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Page 44

Datasheet, Public

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[v3-00] 2023-May-26

TMD3721 − Register O ver view

PID_H Register (Address 0xA6)

Figure 57:

PID_H Register

CFG2 Register (Address 0xA7)

Figure 58:

CFG2 Register

Addr: 0xA6

PID_H

Bit

Bit Name

Default

Access

Bit Description

7:0

PID_H

0x00

The high byte of the 16bit programmable Proximity ID.

Addr: 0xA7

CFG2

Bit

Bit Name

Default

Access

Bit Description

7:4

Reserved

Reserved. Must be set to default value.

HOLD_ONLY_IN_

PULSE_ST

0RW

It is recommended to set the bit to “1” during device

initialization. In concurrent mode, ALS integration is only

on hold during Proximity pulsing period.

If the bit is “0”, in concurrent mode, ALS integration is on

hold until Proximity completes the entire measurement

which includes the initialization time, integration time or

PTIME whichever is longer, hardware averaging loops if

enabled and ADC conversion time. Also, ALS is kept on

hold during proximity is waiting for VSYNC signal

detection and PSD time when PVSYNC is enabled.

Reserved

Reserved. Must be set to default value.

SKIP_IDAC_SAR

If set, the IDAC_SAR is skipped.

0DISABLE_IDAC

If set, the IDAC is disabled.

If SKIP_IDAC_SAR =DISABLE_IDAC =0, it enables the IDAC

to automatically remove most of the ambient IR light to

avoid a saturation caused by high ambient IR

components. The function runs before every PTIME, and

the time required is given by the formula:

prox_init_time =7 x (PPULSE_LEN +42.15μs).

TMD3721 데이터시트(PDF) 45 Page - OSRAM GmbH

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