STEVAL-IKR002V5D SPIRIT1 915 MHz low data rate transceiver daughterboard Data brief Description The STEVAL-IKR002V5D product evaluation board is based on the SPIRIT1, a very low-power RF transceiver intended for RF wireless applications in the sub 1 GHz frequency band. Features SPIRIT1 low power sub GHz transceiver in a standalone RF module tuned for 915 MHz Modulation schemes: 2-FSK, GFSK, MSK, GMSK, OOK, and ASK Programmable air data rate: from 1 to 500 kbps Very low power consumption: 9.8 mA RX and 20 mA TX at +11 dBm Excellent receiver sensitivity (down to -108 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 August 2014 DocID025695 Rev 1 For further information contact your local STMicroelectronics sales office. 1/4 www.st.com DocID025695 Rev 1 2 4 6 8 10 1 3 5 7 9 R _0R 0_0402 R8 R _0R 0_0402 R7 R _0R 0_0402 R6 B2=433MHz B1=315MHz B0=169MHz SDO SDI SCLK CSn J7 HEADER 5X2 GPIO0 GPIO3 GPIO2 GPIO1 5 4 3 2 1 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 CSn SCLK SDI SDO GPIO_0 U1 C _330p_0402_C 0G C 22 NX3225GA-xxMHz (XTAL) SPIRIT_DUMMY1 20 GPIO_1 XOUT 6 DUMMY3 SDn C 20 C_1U_0603_X7R_K_6V3 19 GPIO_2 XIN 7 J6 HEADER 5X2 VCC_RF 18 GPIO_3 VBAT2 8 SPIRIT_DUMMY2 17 VREG RXP 9 2 4 6 8 10 1 3 5 7 9 16 VBAT1 RXN 10 2/4 GND L8 L1 L_TBD_0402 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 C_TBD_0402_C0G C1 L_TBD_0402 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-IKR002V5D Schematic diagram Figure 1. STEVAL-IKR002V5D circuit schematic AM17486v1 STEVAL-IKR002V5D 2 Revision history Revision history Table 1. Document revision history Date Revision 08-Aug-2014 1 Changes Initial release. DocID025695 Rev 1 3/4 4 STEVAL-IKR002V5D IMPORTANT NOTICE – PLEASE READ CAREFULLY STMicroelectronics NV and its subsidiaries (“ST”) reserve the right to make changes, corrections, enhancements, modifications, and improvements to ST products and/or to this document at any time without notice. Purchasers should obtain the latest relevant information on ST products before placing orders. ST products are sold pursuant to ST’s terms and conditions of sale in place at the time of order acknowledgement. Purchasers are solely responsible for the choice, selection, and use of ST products and ST assumes no liability for application assistance or the design of Purchasers’ products. No license, express or implied, to any intellectual property right is granted by ST herein. Resale of ST products with provisions different from the information set forth herein shall void any warranty granted by ST for such product. ST and the ST logo are trademarks of ST. All other product or service names are the property of their respective owners. Information in this document supersedes and replaces information previously supplied in any prior versions of this document. © 2014 STMicroelectronics – All rights reserved 4/4 DocID025695 Rev 1