november 2013 docid23088 rev 2 1/4 for further information contact your local stmicroelectronics sales office www.st.com STEVAL-MKI124V1 l3gd20, lsm303dlhc and lps331ap 10-axis module for a standard dil24 socket data brie f features ? complete l3gd20, lsm303dlhc and lps331ap pinout for a standard dil 24 socket ? fully compatible with the steval- mki109v2 motherboard ? rohs compliant description the STEVAL-MKI124V1 is an adapter board designed to facilitate the evaluation of the l3gd20, lsm303dlhc and lps331ap mems devices. the board offers an effective solution for fast system prototypi ng and device evaluation directly within the user?s own application. the STEVAL-MKI124V1 can be plugged into a standard dil 24 socket. the adapter provides the complete l3gd20, lsm303dlhc and lps331ap pinout and comes ready-to-use with the required decoupling capacitors on the v dd power supply line. this adapter is supported by the steval- mki109v2 motherboard which includes a high performance 32-bit microcontroller functioning as a bridge between the sensor and a pc, on which it is possible to use the downloadable graphical user interface (unico gu i), or dedicated software routines for customized applications.
schematic diagram STEVAL-MKI124V1 2/4 docid23088 rev 2 1 2 3 4 5 6 7 8 9 10 11 12 header 12 jp1 24 23 22 21 20 19 18 17 16 15 14 13 header 12 jp2 0r r2 vd d_io + 10 uf c1 vd d_io sda scl int1_a int2_a vdd vd d_io int1_a int2_a dn m c1 6 int1 5 int2 4 sda 3 scl 2 vd d_io 1 vdd 14 setc 13 setp 12 res 11 res 10 res 9 res 8 gnd 7 lsm303 dlhc u1 t3 t2 t1 t1 t2 t3 scl sda drdy t5 t4 vdd_io scl sda drdy gnd pllfilt + 10 uf c6 vdd gnd not moun te d t4 t5 not moun te d 0. 22u f c4 4. 7uf c3 10 0nf c5 100nf c2 0r r1 0r r4 0r r5 0r r6 0r r7 0r r8 0r r9 vdd vd d gnd gnd gnd vdd_io vdd_io gnd pllfilt 10 nf c7 47 0nf c8 10 k r3 vd d_io 1 scl 4 sda 6 sdo 7 reserved 10 gnd 13 int2 9 int1 11 cs 8 vdd 14 gnd 5 gnd 12 reserved 15 gnd 16 nc 2 nc 3 lps331 ap u3 vdd_io scl sda int2_p int1_p vdd_io vdd_io vdd int1_p int2_p 0r r10 0r r11 vdd_io 1 pllfilt 14 gnd 13 res 12 res 11 res 10 res 9 res 8 int1 7 drdy/int2 6 cs 5 sdo/sa0 4 sda/sdi/sdo 3 scl/spc 2 vdd 16 res 15 l3gd20 u2 1 schematic diagram figure 1: STEVAL-MKI124V1 circuit schematic
STEVAL-MKI124V1 revision history docid23088 rev 2 3/4 2 revision history table 1: document revision history date revision changes 03-may-2012 1 initial release. 15-nov-2013 2 updated features and description to include information on the steval-mki109v2 motherboard and related software.
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