USER MANUAL V1.35 Scavenger Transceiver Module STM 300 / STM 300C / STM 300U st July 1 , 2013 Observe precautions Electrostatic sensitive devices Patent protected: WO98/36395, DE 100 25 561, DE 101 50 128, WO 2004/051591, DE 103 01 678 A1, DE 10309334, WO 04/109236, WO 05/096482, WO 02/095707, US 6,747,573, US 7,019,241 EnOcean GmbH Phone +49.89.67 34 689-0 Subject to modifications Kolpingring 18a Fax +49.89.67 34 689-50 STM 300 / STM 300C / STM 300U User Manual 8 2041 Oberhaching info enocean.com V1.35 July 24, 2013 Germany www.enocean.com Page 1/45 USER MANUAL 1.35 STM 300 / STM 300C / STM 300U REVISION HISTORY The following major modifications and improvements have been made to the first version of this document: No Major Changes 1.01 Tape running direction added in 3.8 1.10 Application note for multiple digital inputs with WAKE functionality added. 1.20 Error corrected in 3.5.1. and 4.1: Maximum gain of external antenna at 50 Ohm output RF 50 is 0 dBi 1.25 Charging circuit in 3.1 corrected remarks added regarding use of IOVDD in 2.3. Parameters of A/D converter corrected and specified in more detail in 2.3.2 1.26 Optional resolution at ADIO0, ADIO1, ADIO2 corrected in 2.3. Detailed description in 2.9.1 was correct 1.30 New improved application note in 3.1, which avoids deep discharge of the long term storage. 1.31 Updated data on conducted output power in 1.2 improved layout recommenda- tions in 3.6 1.32 Antenna recommendations removed and referred to external application note AN102, and AN105 Maximum Rating for IOVDD modified (IOVDD may now exceed VDD) Chapter Related Documents added. Figure added in 3.3.1 parameters for antenna requirements relaxed in 4.5.1. 1.33 Added STM 300U (902.875 MHz), new product image 1.34 Updated Agency certifications according to FCC / IC requirements 1.35 Mitsubishi Materials Chip Antenna added to limited modular approval Published by EnOcean GmbH, Kolpingring 18a, 82041 Oberhaching, Germany www.enocean.com, info enocean.com, phone +49 (89) 6734 6890 EnOcean GmbH All Rights Reserved Important This information describes the type of component and shall not be considered as assured characteris- tics. No responsibility is assumed for possible omissions or inaccuracies. Circuitry and specifications are subject to change without notice. For the latest product specifications, refer to the EnOcean web- site: