TMD2672 datasheet(22/44 Pages) OSRAM

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ams Datasheet

Page 21

[v1-00] 2015-Mar-23

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TMD2672 − Principles of Operation

The device is controlled and monitored by data registers and a

command register accessed through the serial interface. These

registers provide for a variety of control functions and can be

read to determine results of the ADC conversions. The Register

Set is summarized in Figure 26.

Figure 26:

The mechanics of accessing a specific register depends on the

specific protocol used. See the section on I²C protocols on the

previous pages. In general, the Command register is written first

to specify the specific control/status register for following

read/write operations.

Address

R/W

Reset Value

----

COMMAND

Specifies register address

0x00

ENABLE

R/W

Enables states and interrupts

0x00

0x02

PTIME

R/W

Proximity ADC time

0xFF

0x03

WTIME

R/W

Wait time

0xFF

0x08

PILTL

R/W

Proximity interrupt low threshold low byte

0x00

0x09

PILTH

R/W

Proximity interrupt low threshold high byte

0x00

0x0A

PIHTL

R/W

Proximity interrupt high threshold low byte

0x00

0x0B

PIHTH

R/W

Proximity interrupt high threshold high byte

0x00

0x0C

PERS

R/W

Interrupt persistence filter

0x00

0x0D

CONFIG

R/W

Configuration

0x00

0x0E

PPULSE

R/W

Proximity pulse count

0x00

0x0F

CONTROL

R/W

Control register

0x00

0x11

REVISION

Die revision number

Rev Num.

0x12

Device ID

0x13

STATUS

Device status

0x00

0x18

PDATAL

Proximity ADC low data register

0x00

0x19

PDATAH

Proximity ADC high data register

0x00

0x1E

POFFSET

R/W

Proximity Offset register

0x00

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