DA6505.005
11 June 2018
CALIBRATED SENSOR SYSTEM MEASUREMENT FLOW
POWER UP / RESET
POWER UP / RESET
Reset device by writing any data to
Reset register EC/6CHEX
Reset device by writing any data to
Reset register EC/6CHEX
ACTIVATE EEPROM (EON=010 or 101)
READ EEPROM CALIBRATION DATA
INACTIVATE EEPROM (EON=000)
ACTIVATE EEPROM (EON=010 or 101)
READ EEPROM CALIBRATION DATA
INACTIVATE EEPROM (EON=000)
CONFIGURE MEASUREMENT
Write configuration to Configuration register
EE/6EHEX
CONFIGURE MEASUREMENT
Write configuration to Configuration register
EE/6EHEX
SELECT NORMAL MODE
Write MODE=11 and OSRT and OSRP to
Control register EF/6FHEX
SELECT FORCED MODE
Write MODE=01 or 10 and OSRT and OSRP
to Control register EF/6FHEX
WAIT UNTIL AT LEAST MAX A/D CONVERSION
TIME HAS PASSED or
WAIT STATUS REGISTER FLAGS TO SET
WAIT REPEAT INTERVAL or
WAIT STATUS REGISTER FLAGS TO SET
(INCREMENTAL) READ RESULTS
Read pressure and temperature results from
six result registers F1...F6HEX
INCREMENTAL READ RESULTS
Read pressure and temperature results from
six result registers F1...F6HEX
CALCULATE CALIBRATED
TEMPERATURE
CALCULATE CALIBRATED
TEMPERATURE
CALCULATE TEMPERATURE
COMPENSATED PRESSURE VALUE
CALCULATE TEMPERATURE
COMPENSATED PRESSURE VALUE
yes
CONTINUE
yes
CONTINUE
no
no
END
SELECT SLEEP MODE
Write MODE=00 to Control register EF/6FHEX
END
Figure 3. Flow charts for measurement flow of a calibrated MAS6505 sensor system
Figure 3 present flow charts for measurement flow of calibrated MAS6505 sensor system in both forced mode
(single command based measurement) and normal mode (automated measurements).
13 (44)
MAS [ MICRO ANALOG SYSTEMS ]
