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© 2022 ROHM Co., Ltd.

No. 64UG116E Rev.002

Feb.2022

User’s Guide

4

About RKX-A3-EVK-001

Board Information

•

Board Size: 86.36 mm x 76.20 mm

•

Board Thickness:

•

Number of Layers: 4

•

Material: FR-4 High Tg

•

Copper Thickness:

1oz (35μm)

Figure 14. RKX-A3-EVK-001

Schematic Diagram

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Summary of Contents for EVK HW

Page 1: ...ser guide describes the ROHM EVK HW For the ROHM EVK SW please refer to the ROHM EVK SW User s Guide Definitions ROHM EVK Provides the full range of software hardware and the firmware used for device...

Page 2: ...ationBoards 9 Physical Interfacing with ROHM EVK EVB 9 3 Interfacewithhostplatforms 10 Infineon CY8CKIT 059 Prototyping Kit 11 3 1 1 Overview 11 3 1 2 Firmware Pinout 13 4 AboutRKX A3 EVK 001 14 Board...

Page 3: ...hat can be purchased separately Figure 2 Figure 1 RKX EVK 001 sales package Figure 2 Accelerometer EVB andADC EVB System Level Block Diagram The main components of the RKX EVK 001 are the host platfor...

Page 4: ...ard is populated to interface withthe Infineon CY8CKIT 059 PSoC prototypingplatformand with ROHMstandard evaluation boards featuringa14 pin male header However with some hardware modifications the boa...

Page 5: ...Y8CKIT 059 Prototyping Kit andArduino UNO R3 the VBUS voltage can be as high as 5V Since many sensors including KX132 1211 are rated to 3 6V VDD max overvoltage and potential permanent damage may be d...

Page 6: ...ghtinFigure5 nextcomesswitchSW4 VDD_SENSORON OFFswitch The purpose of the switch SW4is to disconnectthe VDD_SENSORfrom theinputvoltage VBUS This can beuseful when an evaluation board needs to be unplu...

Page 7: ...nearvoltageregulator By default itis configured to output3 3Vusing the preset values of R5 and R6 feedback resistors However the user can modify the output of the VR2 voltage regulator if desired by r...

Page 8: ...oltage of 3 6V or lower Please note the following information regarding the voltage level shifters The acceptable input voltage range on the host side B side is 2 3V to 5 5V The acceptable input volta...

Page 9: ...e 18 pin female header J6 is mechanically and electrically compatible with the 14 pin male header found on ROHM EVK EVB and simplify alignment of both connectors relatively to each other The pins 1 2...

Page 10: ...ble 4 List of Compatible Host Platforms See RKX A3 EVK 001 schematic 4 2 for details Vendor Platform Name RKX A3 EVK 001 HW Interface Populated on the board Infineon CY8CKIT 059 PSoC 5LP J14 J15 26 pi...

Page 11: ...d analog peripherals support for Full Speed USB 2 0 connectivity easy to use IDE with free license and the low cost Figure 12 Infineon CY8CKIT 059 Prototyping Kit When Infineon CY8CKIT 059 Prototyping...

Page 12: ...gmaADCs and the industry s best CAPSENSE touch sensing solution 3 1 1 2 Design for Flexibility The kit provides access to all the PSoC 5LP device I Os in a breadboard compatible format It features a m...

Page 13: ...al Mapping of I O Signals to the Infineon PSoC 5LP MCU Function in Firmware 14 pin Male Header Pin J5 18 pin Receptacle Header PinJ6 RKX A3 EVK 001 PSoC Headers Pin J14 J15 PSoC 5LP I O Port RKX A3 EV...

Page 14: ...16E Rev 002 Feb 2022 User s Guide 4 About RKX A3 EVK 001 Board Information Board Size 86 36 mm x 76 20 mm Board Thickness Number of Layers 4 Material FR 4 High Tg Copper Thickness 1oz 35 m Figure 14 R...

Page 15: ...15 23 2022 ROHM Co Ltd No 64UG116E Rev 002 Feb 2022 User s Guide...

Page 16: ...16 23 2022 ROHM Co Ltd No 64UG116E Rev 002 Feb 2022 User s Guide Figure 15 Schematic Diagram of RKX A3 EVK 001...

Page 17: ...R17 R21 R23 R24 R26 R27 R28 R29 R30 R31 R32 R34 R35 R36 R37 R38 R39 R40 R41 R42 R43 R44 R45 R46 R47 R48 R63 R64 R65 R66 R67 R70 R71 R72 R73 R74 R75 R76 R77 R78 R79 R80 R81 R82 R83 R84 R87 R92 R93 R96...

Page 18: ...18 23 2022 ROHM Co Ltd No 64UG116E Rev 002 Feb 2022 User s Guide Layout Top View Figure 16 Layouts of RKX A3 LA EVK 001...

Page 19: ...The communication between the ROHM EVK GUI SW and RXK EVK 001 may not work for several reasons The issue can be related to hardware software or both The following steps can be used as a guidance to tr...

Page 20: ...FW See 3 1 Firmware Update Procedure in ROHM EVK SW User s Guide for details If the blue LED1 CY8CKIT 059 is turned OFF please try the following Check that the micro USB cable is securely connected to...

Page 21: ...ct position the Help menu item 1 3 9 4About HostAdapter Board in ROHM EVK SW User s Guide would still work properly because the information about the host adapter firmware is read out from the CY8CKIT...

Page 22: ...2 4 3 1 ODR accuracy and Timestamping ROHM EVK GUI SW timestamping is done on a PC and it is not accurate with high ODRs This influences the delta time statistics The real time ODR shown in the ROHM E...

Page 23: ...message example which indicates that Windows NETinstallation is out of date Desktop shortcuts may not work properly Sometimes after installation the desktop shortcuts will not work To overcome this p...

Page 24: ...ch technical information The Products specified in this document are not designed to be radiation tolerant For use of our Products in applications requiring a high degree of reliability as exemplified...

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