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TSL26721 数据表(PDF) 27 Page - OSRAM GmbH

部件名 TSL26721
功能描述  Digital Proximity Detector
PDF  47 Pages
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制造商  OSRAM [OSRAM GmbH]
网页  http://www.osram.com
标志 OSRAM - OSRAM GmbH

TSL26721 数据表(HTML) 27 Page - OSRAM GmbH

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[v1-01] 2019-Nov-20
TSL2672 − Principles O f Operation
Enable Register (0x00)
The ENABLE register is used to power the device ON/OFF, enable
functions, and interrupts.
Figure 29:
Enable Register
Proximity Time Register (0x02)
The proximity timing register controls the integration time of
the proximity ADC in 2.73 ms increments. Upon power up, the
proximity time register is set to 0xFF. It is recommended that
this register be programmed to a value of 0xFF (1 integration
cycle).
Figure 30:
Proximity Integration Time Control Register
76
5
4
3
2
1
0
Reserved
SAI
PIEN
Reserved
WEN
PEN
Reserved
PON
Field
Bits
Description
Reserved
7
Reserved. Write as 0.
SAI
6
Sleep after interrupt. When asserted, the device will power down at the end of a
proximity cycle if an interrupt has been generated
PIEN
5
Proximity interrupt enable. When enabled, the proximity interrupt drives the INT pin.
When disabled, the interrupt is masked from the INT pin, but remains visible in the
Status register (0x13).
Reserved
4
Reserved. Write as 0.
WEN
3
Wait enable. This bit activates the wait feature. Writing a 1 activates the wait timer.
Writing a 0 disables the wait timer.
PEN
2
Proximity enable. This bit activates the proximity function. Writing a 1 enables
proximity. Writing a 0 disables proximity.
Reserved
1
Reserved. Write as 0.
PON
0
Power ON. This bit activates the internal oscillator to permit the timers and ADC
channel to operate. Writing a 1 activates the oscillator. Writing a 0 disables the
oscillator.
Field
Bits
Description
PTIME
7:0
VALUE
INTEG_CYCLES
TIME
MAX COUNT
0xFF
1
2.73 ms
1023



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