TCS37727FN datasheet(28/51 Pages) OSRAM

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ams Datasheet

Page 27

[v1-01] 2018-Mar-14

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TCS3772 − Register Description

Command Register

The COMMAND registers specifies the address of the target

Figure 32:

Command Register

76543

CMD

TYPE

ADDR/SF

Field

Bits

Description

CMD

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

TYPE

6:5

Selects type of transaction to follow in subsequent data transfers:

FIELD VALUE

INTEGRATION TIME

Repeated byte protocol transaction

Auto-increment protocol transaction

Reserved – Do not use

Special function – See description below

Byte protocol will repeatedly read the same register with each data access. Block

protocol will provide auto-increment function to read successive bytes.

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-register for following write and read transactions. The field

values listed below apply only to special function commands:

FIELD VALUE

READ VALUE

00101

Proximity interrupt clear

00110

Clear channel interrupt clear

00111

Proximity and Clear interrupt clear

Other

Reserved – Do not write

The ALS and Proximity interrupt clear special functions clear any pending

interrupt(s) and are self clearing.

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