VCNL4100

www.vishay.com

Vishay Semiconductors

Rev. 1.2, 30-Aug-16

11

Document Number: 84319

THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT

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Adjustable Sampling Time

VCNL4100’s embedded LED driver drives the external IRED with the “LED CATHODE” pin by a pulsed duty cycle. The

PS response time. The higher the duty ratio selected, the faster response time achieved with higher power consumption.

TABLE 13 - REGISTER: PS_THDH DESCRIPTION

PS_THDH

COMMAND CODE: 06H_H (06H DATA BYTE HIGH)

Register

Bit

Description

PS_THDH

7 : 0

00H to FFH, PS high interrupt threshold setting

TABLE 14 - REGISTER: RESERVE COMMAND DESCRIPTION

Reserved

COMMAND CODE: 07H_L (07H DATA BYTE LOW)

Register

Bit

Description

Reserved

7 : 0

Default = 00H

TABLE 15 - REGISTER: RESERVE COMMAND DESCRIPTION

Reserved

COMMAND CODE: 07H_H (07H DATA BYTE HIGH)

Register

Bit

Description

Reserved

7 : 0

Default = 00H

TABLE 16 - READ OUT REGISTER DESCRIPTION

REGISTER

COMMAND CODE

BIT

DESCRIPTION

PS_Data

08H_L (08H data byte low)

7 : 0

00H to FFH, PS output data

Reserved

08H_H (08H data byte high)

7 : 0

Default = 00H

ALS_Data_L

09H_L (09H data byte low)

7 : 0

00H to FFH, ALS LSB output data

ALS_Data_M

09H_H (09H data byte high)

7 : 0

00H to FFH, ALS MSB output data

Reserved

0AH_L (0AH data byte low)

7 : 0

Reserved

0AH_H (0AH data byte high)

7 : 0

Reserved

0BH_L (0BH data byte low)

7 : 0

Default = 00H

INT_Flag

0BH_H (0BH data byte high)

7

6

5

4

3

2

1

0

PS_SPF_LEAVE, PS leaving protection mode

PS_SPF_ENTER, PS entering protection mode

ALS_IF_L, ALS crossing low THD INT trigger event

ALS_IF_H, ALS crossing high THD INT trigger event

Default = 0, reserved

Default = 0, reserved

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PS_IF_CLOSE, PS rise above PS_THDH INT trigger event

PS_IF_AWAY, PS drop below PS_THDL INT trigger event