for further information contact your local stmicroelectronics sales office. august 2012 doc id 023343 rev 2 1/4 4 STEVAL-IKR001V4 sub-ghz transceiver development kit based on the spirit1 (868 mhz band) 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 air 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 acknowledgement, retransmission, and timeout protocol engine aes 128-bit encryption co-processor spi interface for microcontroller rohs compliant description the STEVAL-IKR001V4 development kit includes 2 rf daughterboards based on 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 interaction and firmware updates. a jtag connector allows the development of specific firmware on the microcontroller. www.st.com
schematic diagram STEVAL-IKR001V4 2/4 doc id 023343 rev 2 1 schematic diagram figure 1. schematic diagram ! - v 6 ' q * 3 , 2 * 3 , 2 * 3 , 2 * 3 , 2 6 & |