tcs3771 ETC-unknow, tcs3771 Datasheet - Page 21
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tcs3771
Manufacturer Part Number
tcs3771
Description
Color Light-to-digital Converter With Proximity Sensing
Manufacturer
ETC-unknow
Datasheet
1.TCS3771.pdf
(32 pages)
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Persistence Register (0x0C)
The LUMENOLOGY r Company
PERS
PPERS
APERS
The persistence register controls the filtering interrupt capabilities of the device. Configurable filtering is
provided to allow interrupts to be generated after each integration cycle or if the integration has produced a result
that is outside of the values specified by the threshold register for some specified amount of time. Separate
filtering is provided for proximity and the RGBC clear channel.
FIELD
7
BITS
7:4
3:0
Proximity interrupt persistence. Controls rate of proximity interrupt to the host processor.
Interrupt persistence. Controls rate of interrupt to the host processor.
FIELD VALUE
FIELD VALUE
6
PPERS
0000
0001
0010
0000
0001
0010
0100
0101
1000
1001
1010
0011
0110
0111
1011
1100
1101
1110
1111
1111
...
5
r
Table 9. Persistence Register
MEANING
MEANING
Every
−−−
www.taosinc.com
15
10
15
20
25
30
35
40
45
50
55
60
...
1
2
1
2
3
5
4
Every proximity cycle generates an interrupt
1 proximity value out of range
2 consecutive proximity values out of range
...
15 consecutive proximity values out of range
Every RGBC cycle generates an interrupt
1 clear channel value outside of threshold range
2 clear channel consecutive values out of range
3 clear channel consecutive values out of range
5 clear channel consecutive values out of range
10 clear channel consecutive values out of range
15 clear channel consecutive values out of range
20 clear channel consecutive values out of range
25 clear channel consecutive values out of range
30 clear channel consecutive values out of range
35 clear channel consecutive values out of range
40 clear channel consecutive values out of range
45 clear channel consecutive values out of range
50 clear channel consecutive values out of range
55 clear channel consecutive values out of range
60 clear channel consecutive values out of range
3
COLOR LIGHT-TO-DIGITAL CONVERTER
DESCRIPTION
INTERRUPT PERSISTENCE FUNCTION
INTERRUPT PERSISTENCE FUNCTION
2
APERS
r
with PROXIMITY SENSING
1
Copyright E 2011, TAOS Inc.
TAOS110A − MARCH 2011
0
Address
0x0C
TCS3771
21