TSL2591 datasheet(15/34 Pages) OSRAM

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[v3-00] 2023-Feb-08

TSL2591 − Register Description

The COMMAND register specifies the address of the target

special function commands.

76543

CMD

TRANSACTION

ADDR/SF

Fields

Bits

Description

CMD

Select Command Register. Must write as 1 when addressing

COMMAND register.

TRANSACTION

6:5

Select type of transaction to follow in subsequent data transfers.

FIELD VALUE

DESCRIPTION

Reserved - Do not use

Normal Operation

Reserved – Do not use

Special Function – See description below

ADDR/SF

4:0

Address field/special function field. Depending on the transaction

type, see above, this field either specifies a special function

command or selects the specific control-status-data register for

subsequent read and write transactions. The field values listed

below apply only to special function commands.

FIELD VALUE

DESCRIPTION

00100

Interrupt set – forces an interrupt

00110

Clears ALS interrupt

00111

Clears ALS and no persist ALS interrupt

01010

Clears no persist ALS interrupt

Other

Reserved – Do not write

The interrupt set special function command sets the interrupt bits

in the status register (0x13). For the interrupt to be visible on the

INT pin, one of the interrupt enable bits in the enable register

(0x00) must be asserted.

The interrupt set special function must be cleared with an interrupt

clear special function. The ALS interrupt clear special functions

clear any pending interrupt(s) and are self-clearing.

Command Register

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