AS7421 datasheet(32/53 Pages) OSRAM

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AS7421

Datasheet

• PUBLIC

DS000667

• v2-00 • 2022-Oct-13

│ 31

10.2

Detailed Register Description

Explanation of abbreviation:

●

RW = read or write

●

RO = read only

●

W = write only

●

SC = self-clearing after access

10.2.1

ENABLE Register (Address 0x60)

Figure 27:

ENABLE Register

Addr: 0x60

ENABLE

Bit

Bit Name

Default

Access

Bit Description

7:6

LTF_MODE

LTF mode

00: Normal operation

01: Reserved

10: Reserved

11: Reserved

5:4

LED_AUTO

Controls NIR light source during spectral

measurement

00: LEDs OFF

01: First measurement OFF / second measurement ON

10: First measurement ON / second measurement OFF

11: LEDs ON

SYNC_EN

Synchronization enable

0: Spectral measurement started with bit LTF_EN

1: Spectral measurement synchronized with signal

applied to pin GPIO. GPIO needs to be configured as

input in register CFG_GPIO.

TSD_EN

Automatic power down by temperature

measurement

0: OFF

1: ON

LTF_EN

LTF enable

0: Spectral measurement disabled

1: Spectral measurement enabled

PON

Power ON

0: Internal oscillator disabled

– device enter

1: Internal oscillator enabled

– device enter idle state

AS7421 数据表(PDF) 32 Page - OSRAM GmbH

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