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AS1181 데이터시트(PDF) 41 Page - ams-OSRAM AG

부품명 AS1181
상세설명  8-channel LED/VCSEL driver with enhanced safety features
PDF  92 Pages
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제조업체  AMSOSRAM [ams-OSRAM AG]
홈페이지  https://ams-osram.com/
Logo AMSOSRAM - ams-OSRAM AG

AS1181 데이터시트(HTML) 41 Page - ams-OSRAM AG

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AS1181
Functional description
Datasheet • PUBLIC • Document Feedback
DS001139 • v3-00 • 2026-Apr-01
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7.3.2
Interrupt status & history
Reading the 3 “IRQ_STATUS” registers will automatically clear the corresponding interrupt
status bits.
Before clearing is done, the contents of “IRQ_STATUS” are copied into register
IRQ_HISTORY0 register (Address 0x1AAA), IRQ_HISTORY1 register (Address 0x1AAC) and
IRQ_HISTORY2 register (Address 0x1AAE) to backup the interrupt status.
The interrupt output signal IRQ_N will be de-asserted only after the 3 status registers have
been read.
The I3C CCC command 'ClearFaults' clears all status bits in IRQ_STATUS0 to IRQ_STATUS3
with one exception IRQ_STATUS[0] (bit 0, “fault”) will only be cleared with I3C CCC command
'Reset'.
Note: Only interrupt status bits of type 'pulse' (see Table 6, Table 7, Table 8) will be cleared
immediately. Interrupt status bits of interrupts with type 'level' will be cleared after interrupt
source has vanished.



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