for further information contact your local stmicroelectronics sales office. april 2014 docid024307 rev 2 1/4 STEVAL-IKR001V8D spirit1- low data rate transceiver - 868 mhz - daughterboard - range extender data brief features ? spirit1 low power sub ghz transceiver in a standalone rf module tuned for 868 mhz band with external power amplifier ? associated spirit1 development kit, including documentation, firmware for stm32l and gui ? suitable for wireless m-bus systems ? modulation schemes: 2-fsk, gfsk, msk, gmsk, ook, and ask ? air data rate from 1 to 500 kbps ? tcxo for narrow band requirements ? max p out +27 dbm ? excellent receiver sensitivity (up to -123 dbm) ? tx power consumption @ +27 dbm: 350 ma ? saw filter in reception path to prevent interference from out-of-band signals ? skyworks ? sexxxxsl power amplifier ? low duty cycle rx/tx operation mode ? automatic acknowledgment, re-transmission and timeout protocol engine ? aes 128-bit encryption co-processor ? spi interface for microcontroller ? rohs compliant description the STEVAL-IKR001V8D demonstration board is based on the spirit1, a sub ghz low power, low data rate transceiver suitable for ism bands and wireless m-bus systems. the STEVAL-IKR001V8D includes an external power amplifier from skyworks ? , which allows the application to reach +27 dbm (500 mw) output power. steval-ikr001v8 www.st.com
schematic diagram STEVAL-IKR001V8D 2/4 docid024307 rev 2 1 schematic diagram figure 1. STEVAL-IKR001V8D circuit schematic sdn gpio0 gpio1 gpio3 sclk sdo sdi csn gpio2 dummy3 ns ns sclk sdi sdo tx_path gpio2 gpio1 gpio0 rx_path vcc_rf 3v3 vcc_rf 3v3 nx3225ga-xxmhz (xtal) 0 0 r r 0 0 2 2 l l 6 6 c c g g 0 0 c c _ _ 2 2 0 0 4 4 0 0 _ _ p p 0 0 2 2 2 2 _ _ c c 2 2 0 0 4 4 0 0 _ _ n n 8 8 1 1 _ _ l l 5 5 l l 7 7 j j 0 2 4 6 8 1 2 2 x x 5 5 r r e e d d a a e e h h 1 3 5 7 9 8 8 c c g g 0 0 c c _ _ 2 2 0 0 4 4 0 0 _ _ p p 0 0 2 2 2 2 _ _ c c 1 1 1 1 c c r r 7 7 x x _ _ 3 3 0 0 6 6 0 0 _ _ n n 0 0 7 7 4 4 _ _ c c 0 0 2 2 c c r r 7 7 x x _ _ 3 3 0 0 6 6 0 0 _ _ u u 1 1 _ _ c c 6 6 j j 0 2 2 x x 5 5 r r e e d d a a e e h h 2 4 6 8 1 1 3 5 7 9 9 9 1 1 c c l l4 4 r r 7 7 x x _ _ 2 2 0 0 4 4 0 0 _ _ n n 0 0 1 1 _ _ c c 2 2 0 0 4 4 0 0 _ _ n n 8 8 1 1 _ _ l l l l7 7 5 5 0 0 8 8 0 0 _ _ u u 0 0 1 1 _ _ l l 4 4 1 1 r r 1 1 u u 2 2 0 0 4 4 0 0 _ _ k k 0 0 0 0 1 1 _ _ r r 1 1 t t i i r r i i p p s s 1 gpio_0 2 sdo 3 sdi 4 sclk 5 csn 8 vbat2 6 xout 7 xin 9 rxp 10 rxn rext 11 tx 12 smps2 13 smps1 14 vbat1 16 sdn 15 vreg 17 gpio_3 18 gpio_2 19 gpio_1 20 21 gnd l l0 0 2 2 0 0 4 4 0 0 _ _ n n 0 0 0 0 1 1 _ _ l l l l9 9 l l8 8 2 2 0 0 4 4 0 0 _ _ n n 7 7 . . 2 2 _ _ l l 0 0 r r 0 0 7 7 u u 1 m m m m t t 1 2 2 2 0 0 4 4 0 0 _ _ n n 3 3 . . 4 4 _ _ l l 3 3 l l 2 3 3 4 4 9 9 c c g g 0 0 c c _ _ 2 2 0 0 4 4 0 0 _ _ p p 2 2 1 1 _ _ c c 0 0 1 1 l l 2 2 0 0 4 4 0 0 _ _ n n 0 0 1 1 _ _ l l l l1 1 2 2 0 0 4 4 0 0 _ _ n n 3 3 _ _ l l 0 0 1 1 c c 5 5 1 1 c c n ne e g g 0 0 c c _ _ 2 2 0 0 4 4 0 0 _ _ p p 0 0 1 1 _ _ c c 3 3 1 1 c c r r 7 7 x x _ _ 2 2 0 0 4 4 0 0 _ _ p p 0 0 6 6 5 5 _ _ c c 2 2 2 2 c c g g 0 0 c c _ _ 2 2 0 0 4 4 0 0 _ _ p p 0 0 3 3 3 3 _ _ c c 3 3 1 1 r r 2 2 0 0 4 4 0 0 _ _ k k 0 0 0 0 1 1 _ _ r r 4 4 c c 1 1 c c n ne e g g o o c c _ _ 2 2 0 0 4 4 0 0 _ _ f f p p 2 2 . . 2 2 _ _ c c 1 1 2 2 c c g g 0 0 c c _ _ 2 2 0 0 4 4 0 0 _ _ p p 0 0 0 0 1 1 _ _ c c 2 2 1 1 r r 2 2 0 0 4 4 0 0 _ _ k k 0 0 0 0 1 1 _ _ r r 2 2 c c g g 0 0 c c _ _ 2 2 0 0 4 4 0 0 _ _ p p 2 2 . . 8 8 _ _ c c 2 2 1 1 c c r r 7 7 x x _ _ 2 2 0 0 4 4 0 0 _ _ n n 0 0 0 0 1 1 _ _ c c 0 0 c c r r 7 7 x x _ _ 2 2 0 0 4 4 0 0 _ _ n n 0 0 0 0 1 1 _ _ c c 3 3 3 3 c c r r 7 7 x x _ _ 2 2 0 0 4 4 0 0 _ _ n n 0 0 0 0 1 1 _ _ c c 4 4 1 1 c c g g 0 0 c c _ _ 2 2 0 0 4 4 0 0 _ _ p p 2 2 . . 1 1 _ _ c c 3 3 c c 3 3 u u 1 ns g g 0 0 c c _ _ 2 2 0 0 4 4 0 0 _ _ p p 6 6 . . 5 5 _ _ c c 2 q 0 0 4 4 6 6 5 5 9 9 m m 3 nw 4 vss vcc 8 nhold 7 c 6 d 5 1 1 y y l l a a t t x x l l6 6 2 2 0 0 4 4 0 0 _ _ n n 2 2 2 2 _ _ l l 5 5 c c g g 0 0 c c _ _ 2 2 0 0 4 4 0 0 _ _ p p 8 8 . . 1 1 _ _ c c am17487v1
docid024307 rev 2 3/4 STEVAL-IKR001V8D revision history 4 2 revision history table 1. document revision history date revision changes 25-jul-2013 1 initial release. 02-apr-2014 2 title has been modified.
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