AS7030B datasheet(110/129 Pages) AMSCO

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AS7030B

Functional Description

Datasheet

• PUBLIC

DS000716

• v1-00 • 2020-Jun-10

128

│ 109

Interrupts

An interrupt output pin INT can be used to interrupt the host. Following interrupt sources are possible:

irq_adc: End of ADC conversion

irq_sequencer: End of sequencer sequence reached

irq_ltf: A light-to-frequency conversion is finished

irq_adc_threshold: ADC threshold triggered

– see ADC Threshold

irq_fifothreshold: FIFO almost full (as defined in bit fifo_threshold)

irq_fifooverflow: FIFO overflow (error condition, data is lost)

irq_clipdetect: TIA output and/or SD output exceeded threshold

– see details in CLIPSTATUS

irq_led_supply_low: LED supply low comparator triggered

– see details in LEDSTATUS Register

Depending on the setting in register INTENAB each of the above interrupt source can assert INT

output pin (active low).

7.2

I2C

The AS7030B includes an I²C slave using an I²C address of 0x30 (7-bit format; R/W bit has to be

added) respectively 60 h (8-bit format for writing) and 61 h (8-bit format for reading). It expects

external pull-up resistors.

7.2.1

I2C Serial Interface

I2C Feature List

●

Fast mode (400 kHz) and standard mode (100 kHz) support

●

7+1-bit addressing mode

●

Write formats: Single-Byte-Write, Page-Write

●

Read formats: Current-Address-Read, Random-Read, Sequential-Read

●

SDA input delay and SCL spike filtering by integrated RC-components

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