Miniature transceiver STKNX evaluation and development kit

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Parameter NameParameter Value
Target ApplicationHome, Building and City Automation
Core ProductSTKNX, STM32
Packing TypeNot Applicable
ROHS Compliance GradeEcopack1
Package NameCARD
Key features
  • Full KNX twisted pair device development kit based on the STKNX miniature transceiver
  • Controlled by STM32F103 microcontroller 32-bit Cortex®-M3 - 16 MHz - 128 kB Flash
  • Twisted pair TP1-256 support
  • Compatible with ETS engineering tool software
  • Test firmware already downloaded in the board to demonstrate features
  • Includes originally TAPKO KNX protocol stack KAIstack
  • Supported development environments: AC6 OpenSTM32 (Linux®, Windows® and Mac OS-X) or Atollic TrueSTUDIO® (Linux and Windows)
  • JTAG debug through isolated USB host interface (ST-LINK/V2-1 on-board)
  • Standard serial wire debug (SWD) and JTAG interfaces available on standard HE10 20-pin connector
  • Connectors for extension board compatible with Arduino™ and ST Morpho standards
  • UART through isolated USB host interface for connecting a PC
  • No external supply needed during SW development in “desktop mode” (KNX disconnected), USB supply only
  • Power supply flexibility exploiting whole supplies options offered by STKNX
  • 1 button and 1 LED for KNX programming
  • 4 buttons and 4 LEDs for basic KNX sensors and actuators emulation
  • Optional 32.768 kHz crystal for RTC mode
  • Optional CPU reset control from STKNX
  • STKNX area routed on 2 PCB layers only, for reference layout
  • Compliant with bus family standard EN 50491
  • Complete reference design suitable to implement products compatibles with KNX standards:
    • CENELEC EN 50090 (EU HBES)
    • CEN EN 13321-1/2 (EU BA)
    • ISO/IEC 14543-3 (World HES)
    • GB/T 20965 (Chinese HBC)
    • ANSI/ASHRAE Standard 135 (USA)
  • Includes optional isolation mode for developing SELV product according to EN 61140
  • Operating temperature range -40 °C to +85 °C
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