UM0532 User manual STEVAL-MKI020V1 adapter board for the LIS302SG Introduction The STEVAL-MKI020V1 is an adapter board designed to facilitate the evaluation of the LIS302SG three-axis analog output linear accelerometer. The board offers an effective solution for fast system prototyping and device evaluation directly within the user's own application. The STEVAL-MKI020V1can be plugged into a standard DIL 24 socket. The adapter provides the complete LIS302SG pinout and comes ready-to-use with the required decoupling capacitors on the Vdd power supply line. The pinout of the adapter is fully compatible with all other available adapter boards, making it possible to switch from one sensor to another easily during device evaluation without the need for board redesign. This user manual provides information on the STEVAL-MKI020V1 only. For details regarding the LIS302SG specifications, please refer to the datasheet for the device. June 2008 Rev 1 1/5 www.st.com Adapter board layout and pin description 1 UM0532 Adapter board layout and pin description A photograph of the adapter board is shown in Figure 1, together with an illustration of the top silk-screen layer and the board layout. Figure 1. Adapter board photograph, top silk-screen layer and board layout Pin #1 In addition to the MEMS sensor, the adapter board includes two filtering capacitors (10 F and 100 nF, respectively) on the analog Vdd power supply line. The pin description of the STEVAL-MKI020V1 is provided in Table 1. Table 1. STEVAL-MKI020V1 pin description Adapter board pin # Pin name Function 1 Vdd Power supply 2-3, 5, 7, 9-12, 14-15, 17-24 NC Not connected 4 Voutx Output voltage X channel 6 Vouty Output voltage Y channel 8 Voutz Output voltage Z channel 13 GND 0V supply 16 ST Self-test (logic 0: normal mode; logic 1: self-test) 18 PD Power-down (logic 0: normal mode; logic 1: self-test) For additional information regarding the use of the STEVAL-MKI020V1 3-axis accelerometer, please refer to the device datasheet. 2/5 UM0532 Schematic and connection diagram Figure 2. Schematic and connection diagram for the STEVAL-MKI020V1 P01 + C2 10uF C1 100nF P01 P13 14 U1 LIS302SG JP1 Rsvd P01 2 P23 3 P24 4 P16 5 P18 6 Rsvd Vdd Aux_in Rsvd S0 Vout_mux S1 GND ST PD VoutZ VoutX 1 VoutY 13 P01 12 P10 11 P12 10 P13 9 P08 8 P06 P01 P02 P03 P04 P05 P06 P07 P08 P09 P10 P11 P12 1 2 3 4 5 6 7 8 9 10 11 12 JP2 24 23 22 21 20 19 18 17 16 15 14 13 P24 P23 P22 P21 P20 P19 P18 P17 P16 P15 P14 P13 Header 12 Header 12 7 P01 P04 2 Schematic and connection diagram 3/5 Revision history 3 UM0532 Revision history Table 2. 4/5 Document revision history Date Revision 24-June-2008 1 Changes Initial release. UM0532 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. 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