SI1153 Datasheet, PDF (36/58 Pages) Silicon Laboratories – Proximity/Ambient Light Sensor IC with IC Interface

7.2.3 ADCPOSTx
Parameter Addresses: 0x04, 0x08, 0x0C, 0x10, 0x14, 0x18
Bit
7
6
5
4
3
Name
Reserved 24BIT_OUT
POSTSHIFT[2:0]
Reset
0
0
0
0
0
Si1153 Data Sheet
Parameter Table
2
UNUSED
0
1
0
THRESH_EN[1:0]
0
0
Bit
Name
Function
7
RESERVED Must be set to 0
6
24BIT_OUT Determines the size of the fields in the output registers.
Value
Bits/Result
0
16
1
24
Output
Unsigned integer
Signed Integer
5:3
POSTSHIFT[2:0] The number of bits to shift right after SW accumulation. Allows the results of many additions not to
overflow the output. Especially useful when the output is in 16 bit mode.
2
UNUSED
1:0
THRESH_EN [1:0] Value Operation
0
Do not use THRESHOLDs
1
Interrupt when the measurement is larger than the THRESHOLD0 Global Parameters
2
Interrupt when the measurement is larger than the THRESHOLD1 Global Parameters
3
Interrupt when the measurement is larger than the THRESHOLD2 Global Parameters
silabs.com | Smart. Connected. Energy-friendly.
Rev. 0.9 | 35