Data Sheet

Page 16 ams Datasheet
Document Feedback [v1-00] 2016-Dec-23
CCS 811 − Application Register Overview
STATUS Register (0x00)
Single byte read only register which indicates if a device is
active, if new data is available or if an error occurred.
Figure 12:
Status Register
765 4 3 210
FW_MODE - APP_VALID DATA_READY - ERROR
Bit(s) Field Description
7FW_MODE
0: Firmware is in boot mode, this allows new firmware to be loaded
1: Firmware is in application mode. CCS811 is ready to take ADC measurements
6:5 - Reserved
4APP_VALID
0: No application firmware loaded
1: Valid application firmware loaded
3 DATA_READY
0: No new data samples are ready
1: A new data sample is ready in ALG_RESULT_DATA, this bit is cleared when
ALG_RESULT_DATA is read on the I²C interface
2:1 - Reserved
0ERROR
0: No error has occurred
1: There is an error on the I²C or sensor, the ERROR_ID register (0xE0) contains the
error source