Datasheet

Seite 4
Ausgabe 08/2008 Technische Änderungen v orbehalten! HYGROSENS INSTRUMENTS GmbH Postf ach 1054 D-79839 Löf f ingen Tel: [phone] Fax: [phone]
SERIAL DIGITAL INTERFACE
Fig. 1: Possible Communication Configuration
Power ON
Diagnostic
mode
in manufacturing mode
Initialization Window
(20ms)
Send Start_CM
InitializationInitialization
not in manufacturing mode
Initialization and configuration
NON I
2
C SPI
manufactoring interface
OWI
Command MODE
WRITE Commands
Calibration
READ
Command
WRITE
”OWI”-Command
NORMAL
MODE (W ith
analog output)
COMMAND
MODE
General working mode
COMMAND
MODE
NORMAL
MODE (without
analog output)
General working mode