Datasheet

TSL2591 – 12 Datasheet - Apr. 2013 - ams163.5
The ENABLE register is used to power the device on/off, enable
functions and interrupts.
76543210
NPIEN SAI Reserved AIEN Reserved AEN PON
Fields Bits Description
NPIEN 7
No Persist Interrupt Enable. When asserted NP Threshold
conditions will generate an interrupt, bypassing the persist filter.
SAI 6
Sleep after interrupt. When asserted, the device will power down at
the end of an ALS cycle if an interrupt has been generated.
Reserved 5 Reserved. Write as 0.
AIEN 4
ALS Interrupt Enable. When asserted permits ALS interrupts to be
generated, subject to the persist filter.
Reserved 3:2 Reserved. Write as 0.
AEN 1
ALS Enable. This field activates ALS function. Writing a one
activates the ALS. Writing a zero disables the ALS.
PON 0
Power ON. This field activates the internal oscillator to permit the
timers and ADC channels to operate. Writing a one activates the
oscillator. Writing a zero disables the oscillator.
Enable Register (0x00)