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USER MANUAL
STM 550 / EMSI ENOCEAN MULTISENSOR FOR IOT APPLICATIONS
© 2020 EnOcean | www.enocean.com F-710-017, V1.0 STM 550 / EMSI User Manual | v1.4 | November 2020 | Page 67/97
9.5.19 LIGHT_THRESHOLD
If reduction of the reporting interval based on the light level measured by the light sensor
has been enabled then the light level threshold is defined by LIGHT_THREHOLD register as
shown in Figure 46 below.
LIGHT_THRESHOLD
Bit 15
Bit 14
Bit 1
Bit 0
LIGHT SENSOR THRESHOLD
Figure 46 LIGHT_SENSOR_THRESHOLD register
The encoding used by the LIGHT SENSOR THRESHOLD bit field is shown in Table 31 below.
LIGHT SENSOR THRESHOLD
Threshold
0x0000
0 lux (minimum setting)
0x00C8 (Default)
200 Lux seconds (default setting)
0xFFFF
65535 lux (maximum setting)
Table 31 LIGHT SENSOR THRESHOLD bit field encoding
The default setting for the light sensor threshold is 200 lux.