STEVAL-IKR001V2D Sub Ghz transceiver daughterboard based on the SPIRIT1 (315 MHz band) Data brief Description The STEVAL-IKR001V2 demonstration board is based on the SPIRIT1, a sub GHz low power, low data rate transceiver suitable for ISM bands. STEVAL-IKR001V2 Features • SPIRIT1 low power sub GHz transceiver in a standalone RF module tuned for 315 MHz band • Associated SPIRIT1 development kit, including documentation, firmware for STM32L and GUI • 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 receiver sensitivity (up to -120 dBm) • Low duty cycle RX/TX operation mode • Automatic acknowledgment, retransmission, and timeout protocol engine • AES 128-bit encryption co-processor • SPI interface for microcontroller • RoHS compliant July 2013 DocID024773 Rev 1 For further information contact your local STMicroelectronics sales office. 1/4 www.st.com DocID024773 Rev 1 R _0R 0_0402 R8 R _0R 0_0402 R7 R _0R 0_0402 R6 2 4 6 8 10 1 3 5 7 9 B2=433MHz B1=315MHz B0=169MHz SDO SDI SCLK CSn J7 HEADER 5X2 GPIO0 GPIO3 GPIO2 GPIO1 1 5 4 3 2 CSn SCLK SDI SDO GPIO_0 R _0R 0_0402 R 11 R _0R 0_0402 R 10 R _0R 0_0402 R9 Y1 XTAL B3=920MHz B3=915MHz B3=868MHz Mount resistor relative to used band C_12P_0402_C0G_J_50 C9 C0 SDn 11 12 13 14 C_TBD_0402_C0G C 19 L7 L_10U _0805 C_10P_0402_C0G_J_50 C 10 REXT TX SMPS2 SMPS1 15 C 21 C _100p_0402_C 0G C_100n_0402_X7R SPIRIT1_2 U1 C _330p_0402_C 0G C 22 SDn C 20 C_1U_0603_X7R_K_6V3 NX3225GA-xxMHz (XTAL) SPIRIT_DUMMY1 DUMMY3 J6 HEADER 5X2 VCC_RF 20 GPIO_1 XOUT 19 GPIO_2 XIN 7 18 GPIO_3 VBAT2 8 SPIRIT_DUMMY2 17 VREG RXP 9 6 2 4 6 8 10 1 3 5 7 9 16 VBAT1 RXN 10 2/4 GND L8 L_TBD_0402 L1 L5 L_TBD_0402 C4 C_TBD_0402_C0G L_TBD_0402 L4 C_TBD_0402_C0G C5 C_TBD_0402_C0G L_TBD_0402 L6 C6 L_TBD_0402 C_TBD_0402_C0G C1 L2 C 14 C_TBD_0402_C0G C7 C_TBD_0402_C0G C2 L3 L_TBD_0402 C_TBD_0402_C0G C8 C 13 C_TBD_0402_X7R C_TBD_0402_C0G C3 C_TBD_0402_C0G C 12 C_100n_0402_X7R L_TBD_0402 L9 C 11 C_1U_0603_X7R_K_6V3 R 13 R_TBD_0402 R 12 R_TBD_0402 L0 L_TBD_0402_50M C_TBD_0402_C0G C 15 L_TBD_0402 DUMMY3 3V3 J1 RF_IN/OUT 1 21 3V3 Schematic diagram STEVAL-IKR001V2D Schematic diagram Figure 1. STEVAL-IKR001V2D circuit schematic AM17483v1 STEVAL-IKR001V2D 2 Revision history Revision history Table 1. Document revision history Date Revision 19-Jul-2013 1 Changes Initial release. DocID024773 Rev 1 3/4 4 STEVAL-IKR001V2D Please Read Carefully: Information in this document is provided solely in connection with ST products. STMicroelectronics NV and its subsidiaries (“ST”) reserve the right to make changes, corrections, modifications or improvements, to this document, and the products and services described herein at any time, without notice. All ST products are sold pursuant to ST’s terms and conditions of sale. Purchasers are solely responsible for the choice, selection and use of the ST products and services described herein, and ST assumes no liability whatsoever relating to the choice, selection or use of the ST products and services described herein. No license, express or implied, by estoppel or otherwise, to any intellectual property rights is granted under this document. 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