TCS37715FN datasheet(27/49 Pages) OSRAM

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[v1-31] 2018-Apr-04

TCS3771 − Principles of Operation

Command Register

The Command Registers specifies the address of the target

Figure 29:

Command Register

432

COMMAND

TYPE

ADD

Field

Bits

Description

COMMAND

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.

ADD

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

00000

Normal - no action

00101

Proximity interrupt clear

00110

RGBC interrupt clear

00111

Proximity and RGBC interrupt clear

other

Reserved — Do not write

RGBC/Proximity Interrupt Clear. Clears any pending RGBC/Proximity interrupt. This

special function is self clearing.

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