steval - ikr002v4 spirit1 - low data rate transceiver - 868 mhz - full kit data brief features ? 2 spirit1 low power, sub - ghz rf transceiver daughterboards tuned for the 868 mhz band ? 2 stm32l microcontroller - based motherboards ? suitable for wireless m - bus systems ? associated spirit1 software development kit with documentation, stm32l firmware and gui ? debug connector ? usb interface ? modulation schemes: 2 - fsk, gfsk, msk, gmsk, ook, and ask ? a ir data rate from 1 to 500 kbps ? very low power consumption (9 ma rx and 21 ma tx at +11 dbm) ? excellent performance of receiver sensitivity (up to - 120 dbm) ? low duty cycle rx/tx operation mode ? automatic acknowledgment, retransmission, and timeout protocol e ngine ? aes 128 - bit encryption co - processor ? spi interface for microcontroller ? rohs compliant description the steval - ikr002v4 development kit includes 2 rf daughterboards based o n the spirit1 low power, sub - ghz low data rate transceiver suitable for ism bands and wireless m - bus, and 2 motherboards based on the stm32l low power microcontroller to control the daughterboards. each motherboard features a usb connector for pc gui inter action and firmware updates. a jtag connector allows the development of specific firmware on the microcontroller. april 2014 docid025131 rev 2 1 / 3 for further information contact your local stmicroelectronics sales office www.st.com
revision history steval - ikr002v4 1 revision history table 1: document revision history date revision changes 20 - aug - 2013 1 initial release. 02- apr- 2014 2 title has been modified. 2 / 3 docid025131 rev 2
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