STEVAL-MKI024V1 STMicroelectronics, STEVAL-MKI024V1 Datasheet - Page 13

• Manufacturer Part Number: STEVAL-MKI024V1
• Description: DEMO BOARD BASED ON LIS331DL
• Manufacturer: STMicroelectronics
• Series: MEMSr

Specifications of STEVAL-MKI024V1

• Design Resources: STEVAL-MKI024V1 Gerber Files STEVAL-MKI024V1 Schematics STEVAL-MKI024V1 Bill of Materials
• Sensor Type: Accelerometer, 3 Axis
• Sensing Range: ±2.3g, 9.2g
• Interface: SPI, USB
• Sensitivity: 72mg/digit
• Voltage - Supply: 5V, USB
• Embedded: Yes, MCU, 8-Bit
• Utilized Ic / Part: LIS331DL
• Acceleration: 2 g, 8 g
• Sensing Axis: Triple Axis
• Output Type: Digital
• Interface Type: USB
• Silicon Manufacturer: ST Micro
• Silicon Core Number: LIS331DL
• Kit Application Type: Sensing - Motion / Vibration / Shock
• Application Sub Type: Accelerometer
• Kit Contents: Board
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 497-8719

UM0692
3.3
3.4
“Options” tab
The options tab allows the user to control the following parameters:
1.
2.
3.
4.
5.
6.
7.
Figure 10. Options tab
“Register Setup” tab
The register setup tab shown in
registers embedded in the LIS331DL MEMS sensor mounted on the demonstration kit. The
tab is divided into five sections:
1.
ref 2
ref 3
ref 1
ref 4
ref 5
Full scale (FS) - Sets the maximum acceleration value measurable by the device. It is
possible to select either 2g or 8g
Data rate (DR) - In this box the rate at which each acceleration sample is produced can
be selected. The possible values are 100 and 400 Hz
Operating mode (OM) - This control allows the customer to select the operating mode:
normal mode and power-down mode
Tri-state (TS) - Permits switching the SPI lines of the ST7-USB microcontroller mounted
on the demonstration kit between 3-state (i.e. high-impedance) and normal mode
(Figure
board from the microprocessor, in case any external control (from a different
microcontroller mounted on a separate user board) is needed. This function is inhibited
during the acquisition
High-pass filter (HP) - This control activates the high-pass filter on the device and
selects the cut-off frequency
Interrupt Filter - Enable or Disable the HP filter on INT1 or
Interrupt on Pad IntX - Allows the selection of the type of signal to be sent out on Int1 or
Int2
“General”
settings of the device. This section contains the control registers (CTRL_REG1,
CTRL_REG2 and CTRL_REG3) and the registers that control the generation of inertial
Pad(Figure
10, ref 4). This function makes it possible to isolate the sensor mounted on the
(Figure
10, ref 7.
11, ref 1) - provides access to the registers which control the main
Figure 11
(Figure
(Figure
10, ref 5)
(Figure
allows read/write access to the content of the
10, ref 1)
10, ref 3)
(Figure
INT2(Figure
Graphical user interface
10, ref 2)
10, ref 6)
ref 6
ref 7
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