User's Manual

USER MANUAL 1.34
© 2013 EnOcean | www.enocean.com STM 300 / STM 300C / STM 300U User Manual | Page 11/42
STM 300 / STM 300C / STM 300U
ADIO3
12
DI_0
Digital input
Input read ~2 ms after wake-up.
See also 3.3.2.
ADIO4
13
DI_1
Digital input
Input read ~2 ms after wake-up.
See also 3.3.2.
ADIO5
14
DI_2
Digital input
Input read ~2 ms after wake-up.
See also 3.3.2.
ADIO6
15
DI_3
Digital input
Input read ~2 ms after wake-up.
See also 3.3.2.
ADIO7
16
LED
Transmission
indicator LED
Max. output current:
2 mA @ IOVDD=3.3 V
0.65 mA @ IOVDD=1.8 V
Programming I/F
SCSEDIO0
19
CW_1
Encoding input for
wake-up cycle
Leave open or connect to GND
Programming I/F
SCLKDIO1
20
CW_0
Encoding input for
wake-up cycle
Leave open or connect to GND
Programming I/F
WSDADIO2
21
CP_1
Encoding input for
retransmission
Leave open or connect to GND
Programming I/F
RSDADIO3
22
CP_0
Encoding input for
retransmission
Leave open or connect to GND
Programming I/F
WXIDIO
29
SCO
Sensor control
Digital output, max. current 15 µA
HIGH ~x ms before analog inputs
are read
(x=0…508 ms; default 2 ms.)
LOW at wake-up and after reading
of analog inputs
Polarity can be inverted, delay time
can be programmed, see 3.8.2.
WXODIO
30
CCO
Charge control
Max output current 15 µA
See 3.7 for description of behaviour.
WAKE0
33
WAKE0
Wake input
Change of logic state leads to wake-
up and transmission of a telegram.
See also 4.3.
WAKE1
34
LRN
LRN input
Change of logic state to LOW leads
to wake-up and transmission of
teach-in telegram if a manufacturer
code is programmed. See also 3.9.2
and 4.3.
RF_WHIP
4
RF_WHIP
RF output
Output for whip antenna
RF_50
6
RF_50
RF output
50 Ohm output for external antenna