Table 1.
Jumper configuration for power-down (PD), self test (ST), and high-pass filter reset (HP)
Jumper on 1-2 position
Jumper on 2-3 position
Jumper unfitted
JP4
ST
logic level 1:
self-test ON
Self-test is handled by the firmware
logic level 0:
self-test OFF, default
JP5
PD
logic level 1:
power-down mode
Power-down is handled by the firmware
logic level 0:
normal mode, default
JP6
HP
logic level 1: external high-pass filter reset
High-pass filter reset is handled by the firmware
logic level 0:
normal mode, default
•
, ref 3) can be used to both reprogram the STM32 and to debug the
code through the JTAG or SWD protocols.
•
Jumper JP7 (
, ref 4) is used to select either JTAG (JP7 unfitted) or SWD (JP7 fitted)
mode.
•
eMotion also integrates six LEDs and three buttons:
–
, ref 6) is switched on when the board is power supplied.
–
, ref 13) are directly connected to the interrupt pins of the
MEMS digital adapters (if available on the sensor mounted on the adapter board).
–
LEDs D4, D5, and D6 (
, ref 12) are general-purpose LEDs and are used to
indicate firmware states. For example, LED D6 is switched on when a specific firmware is selected
from those available. LED D5 on indicates that the microcontroller is well configured for communication
with the sensor. Finally the LED D4 blinks according to the sensor data rate selected.
–
Button SW3 (
, ref 1) is used to reset the STM32.
–
, ref 2 and ref 5) are connected to STM32 GPIOs and
are available to the user.
Figure 4. How to connect the DIL24 adapter board to the STEVAL-MKI109V2
shows how to properly mount the
DIL24 adapter board on the STEVAL-MKI109V2 board.
UM0979
Demonstration kit description
UM0979
-
Rev 6
page 5/39