Rohm KX134-1211-EVK-001 User manual

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© 2020 ROHM Co., Ltd.
No. 63UG087E Rev.001
Oct.2020
User’s Guide
Accelerometer
KX134-1211-EVK-001
KX134-1211-EVK-001 is an evaluation board for KX134-1211 accelerometer. This User’s Guide will show how to use KX134-1211-EVK-001 together
with Accelerometer Evaluation Kit that is sold as RKX-EVK-001.
Preparation
KX134-1211-EVK-001 1pc
RKX-EVK-001 1pc
Setting
1. Download and Install the latest release of the RoKiX
Windows GUI following this link:
https://www.rohm.com/support/accelerometer-evk-support
Note: After installation, the shortcuts to the RoKiX Windows
GUI and to the RoKiX IoT Platform Users Guide can be
found on the desktop, in the Windows Start menu under
RoKiX folder, and in the installation directory:
\Documents\RoKiX\
2. Start RoKiX Windows GUI. If Configuration update pop-up
window is shown, click Yes to download the latest
configurations from the server.
Figure 1. Configuration update pop-up window
3. (Optional) The CY8CKIT-059 PSoC® 5LP Prototyping Kit
comes preloaded with the custom firmware when
purchased as part of the RKX-EVK-001. The latest version
of the firmware can be found in the installation directory:
\Documents\RoKiX\RoKiX-Firmware\Cypress-PSoC
Note: The guide for programming the custom firmware to
the Cypress CY8CKIT-059 PSoC® 5LP Prototyping Kit can
be found in RKX-EVK-001 User’s Guide.
4. Connect the KX134-1211-EVK-001 to the RKX-EVK-001
directly to the 18-pin header J6 or using the provided ribbon
cable.
Direct Ribbon cable
Figure 2. KX134-1211-EVK-001 connection
5. Connect the CY8CKIT-059 to the PC using the provided
micro-USB cable to establish the connection with RoKiX
Windows GUI.
Note: With Windows 10, the operating system should
automatically use the correct driver. For the earlier
Windows versions, please follow the driver installation
procedure in the RKX-EVK-001 User’s Guide.

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User’s Guide
KX134-1211-EVK-01 Manual
© 2020 ROHM Co., Ltd.
No. 63UG087E Rev.001
Oct.2020
Measurement
Start the RoKiX Windows GUI software and adjust your settings
as follows to get the device connected:
1. Select the board configuration from the Board menu:
CY8CKIT-059 / RoKiX adapter A3 / I2C
2. Select the desired configuration stream for the
corresponding accelerometer sensor from the Stream
menu: e.g.:
KX134-1211 / Accel data 50Hz ±8g high performance
3. If the settings are adjusted properly, data streaming should
start automatically, and the on-screen output should
display real time output for X, Y, and Z axes of KX134-1211
sensor.
Figure 3. Example RoKiX Windows GUI software window
4. For additional details about the RoKiX Windows GUI
software, please see RKX-EVK-001 User’s Guide.
Board Information
Figure 4. Picture of the accelerometer board
Parts
number
Function
C1
Bypass capacitor for VDD (4.7uF)
C2
Bypass capacitor for VDD (0.1uF)
C3
Bypass capacitor for IO_VDD (0.1uF)
C4
Bypass capacitor for VDD (0.1uF)
C5
Bypass capacitor for IO_VDD (0.1uF)
D1
Schottky barrier diode
D2
Schottky barrier diode
LED1
Power LED (Green)
R1
LED current control resistor (200)
R2
Pull-up Resistor for SDI/SDA (2.1k)
R3
Pull-up Resistor for CS (10k)
R4
Pull-up Resistor for SCLK/SCL (2.1k)
R5
Pull-up Resistor for SDO/ADDR (10k)
R6
Pull-down Resistor for SYNC/TRIG (10k)
R8
For measure VDD current
R10
Connect between J1-2 and CS
R11
Connect between J1-10 and SYNC/TRIG
R12
Connect between J1-12 and INT2
R19
Pull-up Resistor for RES (10k)
U1
KX134-1211 Accelerometer
Table 1. The current sensor board parts information
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