STMicroelectronics STEVAL-MKI109V2, User Manual

Page: 2 / 39

1 Demonstration kit description
The eMotion is a complete demonstration kit that allows demonstration of both digital and analog MEMS sensors.
Thanks to its DIL 24 connector, a wide range of MEMS adapter boards can be used.
The block diagram of the demonstration kit is shown in
Figure 1. Demonstration board block diagram .
Figure 1. Demonstration board block diagram
Control Switches
(reset, left, right)
MEMS
device
USB
Connector
SPI/I C/
U.S.B.
Analog
Controls
(ST,PD,FS)
Power On LED
Interrupt LEDs
General Purpose LEDs
With DFU
Feature
DIL 24
Connector
Analog
(ADC)
STM32F103RET6 µC
2
As shown in the Figure 1. Demonstration board block diagram , the eMotion demonstration kit is based on the
STM32F103RET6 microcontroller and can be connected to the PC through the USB bus. Data coming from the
MEMS sensor connected to the board can be read through the PC GUI provided with the kit.
The eMotion also implements the DFU (device firmware upgrade) feature, therefore, in the case of a new
firmware release, it can be reprogrammed without the need to use a programmer. See www.st.com/mems for new
firmware releases.
The eMotion also integrates three general-purpose LEDs, two LEDs connected directly to the interrupt pins of
digital adapters and the power/USB LED. Moreover, the eMotion integrates three buttons: two are available to the
user on a dedicated GPIO of the microcontroller, while the other is used as reset for the microcontroller.
All the MEMS adapter pins are available on two connectors placed on the board (
Figure 2. Top silkscreen of the
eMotion kit JP2 and JP3).
The top silkscreen view and image of the full board are shown in Figure 2. Top silkscreen of the eMotion kit and
Figure 3. Board top view respectively.
UM0979
Demonstration kit description
UM0979 - Rev 6
page 2/39