SI1143 View Datasheet(PDF) - Silicon Laboratories

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Description

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SI1143

PROXIMITY/AMBIENT LIGHT SENSOR IC WITH I2C INTERFACE

Silicon Laboratories 

Si1141/42/43

Table 5. Command Register Summary (Continued)

COMMAND Register

PARAM_W PARAM_RD

Error Code in

Name

Encoding R Register Register RESPONSE Register

Description

PARAM_OR

111 aaaaa

dddd

dddd

nnnn nnnn



Performs a bit-wise OR of

PARAM_WR and parameter

pointed by bitfield [4:0], writes

updated value to PARAM_RD.

See Table 10 for parameters.

NOP

000 00000 —

—



Forces a zero into the

RESPONSE

register

RESET

000 00001 —

—



Performs a software reset of the

firmware

BUSADDR 000 00010 —

—

—

Modifies I2C address

Reserved

000 00011

—

—

—

—

Reserved

000 00100

—

—

PS_FORCE 000 00101 —

—

ALS_FORCE 000 00110 —

—

PSALS_FORCE 000 00111 —

—

—

—



Forces a single PS measure-

ment



Forces a single ALS measure-

ment



Forces a single PS and ALS

measurement

Reserved

000 01000

—

—

PS_PAUSE 000 01001 —

—

ALS_PAUSE 000 01010 —

—

PSALS_PAUSE 000 01011 —

—

Reserved

000 01100

—

—

PS_AUTO 000 01101 —

—

ALS_AUTO 000 01110 —

—

PSALS_AUTO 000 01111

—

—

—

—



Pauses autonomous PS



Pauses autonomous ALS



Pauses PS and ALS



—



Starts/Restarts an autonomous

PS Loop



Starts/Restarts an autonomous

ALS Loop



Starts/Restarts autonomous ALS

and PS loop

Reserved

000 1xxxx

—

—

—

—

Rev. 1.4

21

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