SI1153 Datasheet, PDF (31/58 Pages) Silicon Laboratories – Proximity/Ambient Light Sensor IC with IC Interface

Address
0x1A
0x1B
0x1C
0x1D
0x1E
0x25
0x26
0x27
0x28
0x29
0x2A
0x2B
Name
MEASRATE_H
MEASRATE_L
MEASCOUNT0
MEASCOUNT1
MEASCOUNT2
THRESHOLD0_H
THRESHOLD0_L
THRESHOLD1_H
THRESHOLD1_L
THRESHOLD2_H
THRESHOLD2_L
BURST
MEASURE RATE
Si1153 Data Sheet
Parameter Table
Description
Global Area: Affects all Channels
MEASCOUNT
THRESHOLD SETUP
BURST
7.1 Global Area of the Parameter Table
The Global Area represents resources that are shared among the six channels. See the next section for specific channel properties,
and for channel-specific parameter setup.
Table 7.2. Global Area of the Parameter Table
Parameter
MEASRATE[1]
MEASRATE[0]
MEASCOUNT0
MEASCOUNT1
MEASCOUNT2
THRESHOLD0[1]
THRESHOLD0[0]
THRESHOLD1[1]
THRESHOLD1[0]
THRESHOLD2[1]
THRESHOLD2[0]
BURST
CHAN_LIST
Parameter Address
0x1A
0x1B
0x1C
0x1D
0x1E
0x25
0x26
0x27
0x28
0x29
0x2A
0x2B
0x01
MEASRATE[15:8]
MEASRATE[7:0]
Main Measurement Rate
Counter
Governs how much time be-
tween measurement groups.
One count represents an 800
μs time period.
MEASCOUNT0[7:0]
MEASCOUNT1[7:0]
MEASCOUNT2[7:0]
Three Measurement Rate
extension counters available
for setting the rate.
Each of 6 channel setups se-
lected which of these coun-
ters to use via the MEAS-
CONFIG::COUNTER_IN-
DEX[1:0] bits:
THRESHOLD0[15:8] THRESHOLD0
THRESHOLD0[7:0]
THRESHOLD1[15:8] THRESHOLD1
One of these three (or none)
us Chosen by MEASCON-
FIGx.THRESH_SEL[1:0]
THRESHOLD1[7:0]
THRESHOLD2[15:8] THRESHOLD2
THRESHOLD2[7:0]
BURST[7:0]
Bit 7 is Burst Enable while
BURST_COUNT[6:0] are the
count
CHAN_LIST[5:0]
The six least significant bits
enable the 6 possible chan-
nels.
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