TSL2571 Просмотр технического описания (PDF) - austriamicrosystems AG

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TSL2571

LIGHT-TO-DIGITAL CONVERTER

austriamicrosystems AG 

TSL2571

LIGHT-TO-DIGITAL CONVERTER

TAOS117A − FEBRUARY 2011

Command Register

The command registers specifies the address of the target register for future write and read operations.

Table 2. Command Register

7

6

5

4

3

2

1

0

COMMAND COMMAND

FIELD

lid COMMAND

TYPE

BITS

7

6:5

Technicaaml scoAnGtent still va ADD

4:0

TYPE

ADD

−−

DESCRIPTION

Select Command Register. Must write as 1 when addressing COMMAND register.

Selects type of transaction to follow in subsequent data transfers:

FIELD VALUE

DESCRIPTION

00

Repeated byte protocol transaction

01

Auto-increment protocol transaction

10

Reserved — Do not use

11

Special function — See description below

Transaction type 00 will repeatedly read the same register with each data access.

Transaction type 01 will provide an auto-increment function to read successive register bytes.

Address register/special function field. Depending on the transaction type, see above, this field either

specifies a special function command or selects the specific control-status-register for following write and

read transactions. The field values listed below apply only to special function commands:

FIELD VALUE

DESCRIPTION

00000

Normal — no action

00110

ALS interrupt clear

other

Reserved — do not write

ALS interrupt clear — clears any pending ALS interrupt. This special function is self clearing.

The LUMENOLOGY r Company

r

r

www.taosinc.com

Copyright E 2011, TAOS Inc.

13

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