VCNL4100

www.vishay.com

Vishay Semiconductors

Rev. 1.2, 30-Aug-16

10

Document Number: 84319

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

TABLE 7 - REGISTER: PS_CONF2 DESCRIPTION

PS_CONF2

COMMAND CODE: 03H_H (03H DATA BYTE HIGH)

Command

Bit

Description

PS_ITB

7 : 6

(0 : 0) = 1/2T, (0 : 1) = 1T, (1 : 0) = 2T, (1 : 1) = 4T



PS IT bank setting

PS_GAIN

5 : 4

(0 : 0) = /4, (0 : 1) = /2, (1 : 0) = 1, (1 : 1) = 2

Reserved

3

Default = 0, reserved

PS_SP_INT_EN

2

0 = disable INT function for PS enter / leave sunlight protection mode



1 = issue INT while PS enter / leave sunlight protection mode. While PS enter sunlight protection mode,

the PS output will keep 0xFF

Reserved

1

Default = 0, reserved

PS_INT_EN

0

0 = PS INT function disable



1 = PS INT function enable

TABLE 8 - REGISTER: PS_CONF3 DESCRIPTION

PS_CONF3

COMMAND CODE: 04H_L (04H DATA BYTE LOW)

Command

Bit

Description

PS_AV

7 : 6

(0 : 0) = /2, (0 : 1) = /4, (1 : 0) = /8, (1 : 1) = /16

PS_AV_EN

5

0 = PS average function disable, 1 = PS average function enable

Reserved

4

Default = 0, reserved

PS_AF

3

0 = active force mode disable (normal mode), 1 = active force mode enable

PS_TRIG

2

0 = no PS active force mode trigger, 1 = trigger one time cycle



VCNL4100 output one cycle data every time host writes in “1” to sensor. The state returns to “0”

automatically.

PS_MPULSE

1

0 = disable, 1 = enable



PS multi pulse mode setting; PS multi pulse number set by PS_AV [1 : 0]

Reserved

0

Default = 0, reserved

TABLE 9 - REGISTER: PS_MS DESCRIPTION

Reserved

COMMAND CODE: 04H_H (04H DATA BYTE HIGH)

Command

Bit

Description

PS_SPO

7 : 0

Set initial value = 0xA0 (PS_OUT = 0xFF while PS into sunlight protection



Set initial value = 0x20 (PS_OUT = 0x00 while PS into sunlight protection

TABLE 10 - REGISTER RESERVE COMMAND DESCRIPTION

Reserved

COMMAND CODE: 05H_L (05H DATA BYTE LOW)

Register

Bit

Description

Reserved

7 : 0

Default = 00H

TABLE 11 - REGISTER: RESERVE COMMAND DESCRIPTION

Reserved

COMMAND CODE: 05H_H (05H DATA BYTE HIGH)

Register

Bit

Description

Reserved

7 : 0

Default = 00H

TABLE 12 - REGISTER: PS_THDL DESCRIPTION

PS_THDL

COMMAND CODE: 06H_L (06H DATA BYTE LOW)

Register

Bit

Description

PS_THDL

7 : 0

00H to FFH, PS low interrupt threshold setting