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UM12257
TJA14xx evaluation boards
Rev. 1.0 — 3 June 2025
Document information
Information
Keywords
Abstract
Content
TJA1445A-EVB, TJA1446B-EVB, TJA1465A-EVB, TJA1465B-EVB, TJA1466B-EVB, TJA1466C-
EVB, high-speed CAN transceiver, partial networking, FlexGUI software interface, Arduino UNO
This document describes the operation of the TJA14xx-EVB evaluation boards and accompanying
FlexGUI software package.
User manual
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Table of Contents
Related Manuals for NXP Semiconductors TJA14 Series
Summary of Contents for NXP Semiconductors TJA14 Series
- Page 1 UM12257 TJA14xx evaluation boards Rev. 1.0 — 3 June 2025 User manual Document information Information Content Keywords TJA1445A-EVB, TJA1446B-EVB, TJA1465A-EVB, TJA1465B-EVB, TJA1466B-EVB, TJA1466C- EVB, high-speed CAN transceiver, partial networking, FlexGUI software interface, Arduino UNO Abstract This document describes the operation of the TJA14xx-EVB evaluation boards and accompanying FlexGUI software package.
- Page 2 UM12257 NXP Semiconductors TJA14xx evaluation boards IMPORTANT NOTICE For engineering development or evaluation purposes only NXP provides the product under the following conditions: This evaluation kit is for use of ENGINEERING DEVELOPMENT OR EVALUATION PURPOSES ONLY. It is provided as a sample IC pre-soldered to a printed-circuit board to make it easier to access inputs, outputs and supply terminals.
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Page 3: Introduction
The S32K148-Q176 MCU evaluation board is available at nxp.com/S32K148- Q176. 2 Finding kit resources and information on the NXP website NXP Semiconductors provides online resources for their evaluation boards and supported device(s) on nxp.com. The information pages for the TJA14xx-EVB evaluation boards can be found at http://www.nxp.com/TJA1445A- EVB, http://www.nxp.com/TJA1446B-EVB,... -
Page 4: Getting Ready
UM12257 NXP Semiconductors TJA14xx evaluation boards 3 Getting ready The supplied kit contents, additional hardware and a Windows PC workstation with installed software are needed to work with the TJA14xx-EVB. 3.1 Kit contents • Assembled and tested TJA14xx-EVB evaluation board in an antistatic bag 3.2 Additional hardware... -
Page 5: Board Image
UM12257 NXP Semiconductors TJA14xx evaluation boards 4.1 Board image A top view of the The TJA1446B-EVB board is shown in Figure 1. Board dimensions are 42 mm x 78 mm. Only components needed to support basic functionality are included. The other evaluation boards have a similar layout. -
Page 6: Board Overview
UM12257 NXP Semiconductors TJA14xx evaluation boards 4.2 Board overview Top and bottom views of he TJA1466B-EVB are shown are in Figure 2, with the main components highlighted and labeled. The board contains CAN bus filter, termination and protection circuitry along with power supply and wake-up circuitry and LEDs indicating when pins VBAT, VCC and VIO are supplied. -
Page 7: Can Communication Circuitry
UM12257 NXP Semiconductors TJA14xx evaluation boards The TJA1446B-EVB and TJA1466B-EVB need a 3.3 V V supply. The other TJA14xx-EVBs will work with a 3.3 V or 5 V supply. The jumper setting of the MCU board may need to be adjusted before plugging on the... -
Page 8: Integrating The Tja14Xx-Evb Into An Existing Network
UM12257 NXP Semiconductors TJA14xx evaluation boards Table 1. J9 pinning TJA14x5A TJA14x5B TJA1466B VBAT n.a. GPIO3 LIMPFSO_N n.a. TXEN_N RST_N n.a. GPIO1 GPIO1 n.a. GPIO2 GPIO2 4.3 Integrating the TJA14xx-EVB into an existing network To use the evaluation board with an existing CAN network, the CANL and CANH signals on connector J1 need... -
Page 9: Schematic Diagrams
UM12257 NXP Semiconductors TJA14xx evaluation boards 4.4 Schematic diagrams Full size PDF schematic diagrams can be downloaded from www.nxp.com. Figure 4. TJA1445A-EVB schematic diagram UM12257 All information provided in this document is subject to legal disclaimers. © 2025 NXP B.V. All rights reserved. - Page 10 UM12257 NXP Semiconductors TJA14xx evaluation boards Figure 5. TJA1446B-EVB schematic diagram UM12257 All information provided in this document is subject to legal disclaimers. © 2025 NXP B.V. All rights reserved. User manual Rev. 1.0 — 3 June 2025 Document feedback 10 / 26...
- Page 11 UM12257 NXP Semiconductors TJA14xx evaluation boards Figure 6. TJA1465A-EVB schematic diagram UM12257 All information provided in this document is subject to legal disclaimers. © 2025 NXP B.V. All rights reserved. User manual Rev. 1.0 — 3 June 2025 Document feedback 11 / 26...
- Page 12 UM12257 NXP Semiconductors TJA14xx evaluation boards Figure 7. TJA1465B-EVB schematic diagram UM12257 All information provided in this document is subject to legal disclaimers. © 2025 NXP B.V. All rights reserved. User manual Rev. 1.0 — 3 June 2025 Document feedback 12 / 26...
- Page 13 UM12257 NXP Semiconductors TJA14xx evaluation boards Figure 8. TJA1466B_EVB schematic diagram UM12257 All information provided in this document is subject to legal disclaimers. © 2025 NXP B.V. All rights reserved. User manual Rev. 1.0 — 3 June 2025 Document feedback 13 / 26...
- Page 14 UM12257 NXP Semiconductors TJA14xx evaluation boards Figure 9. TJA1466C_EVB schematic diagram UM12257 All information provided in this document is subject to legal disclaimers. © 2025 NXP B.V. All rights reserved. User manual Rev. 1.0 — 3 June 2025 Document feedback 14 / 26...
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Page 15: Flexgui: Interactive Register Control Via Usb
UM12257 NXP Semiconductors TJA14xx evaluation boards 5 FlexGUI: interactive register control via USB When the TJA14xx-EVB is mounted on the microcontroller evaluation board, the microcontroller board can be used as a USB/SPI interface between the TJA14xx-EVB and a PC. After installing the FlexGUI application on a... -
Page 16: Hardware Setup For Flexgui Operation
UM12257 NXP Semiconductors TJA14xx evaluation boards Figure 11. Copying the firmware file to the EVB-S32K144 drive 5.2.2 Hardware setup for FlexGUI operation Once the FlexGUI firmware has been installed on the microcontroller board, the following steps need to be taken to ensure correct operation and to prevent damage to either of the evaluation boards. -
Page 17: Disconnecting The Reset Signal (Tja14X6-Evb Only)
UM12257 NXP Semiconductors TJA14xx evaluation boards Valid for all TJA14xx evaluation boards. Figure 12. Connecting the TJA1465A-EVB and S32K144EVB for FlexGUI operation 5.2.2.3 Disconnecting the reset signal (TJA14x6-EVB only) To prevent the MCU being reset by the TJA14x6, for example while the TJA14x6 is in Sleep mode, it is recommended to remove J10 on the TJA14x6-EVB. - Page 18 UM12257 NXP Semiconductors TJA14xx evaluation boards a. Windows search b. Desktop shortcut Figure 13. FlexGUI start options It may take a few seconds for the FlexGUI to load and display the launch window (Figure 14). The short-form type numbers of all supported devices are displayed in the launch window. Select the appropriate device and click 'OK'.
- Page 19 UM12257 NXP Semiconductors TJA14xx evaluation boards Figure 15. FlexGUI startup window; boards not yet connected The FlexGUI startup window contains tabs for the Script Editor (Section 5.4.6) and the selected device. The device tab displays the register map (Section 5.4.5). A number of windows can be selected from the...
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Page 20: Establishing A Connection Between The Flexgui And The Hardware
UM12257 NXP Semiconductors TJA14xx evaluation boards 5.4.2 Establishing a connection between the FlexGUI and the hardware To establish a connection between the FlexGUI and the hardware, the microcontroller board needs to be connected to the PC with a USB cable (see Figure 10). - Page 21 UM12257 NXP Semiconductors TJA14xx evaluation boards Figure 16. Register map tab Register data can be edited in the top row (outlined in orange) in preparation for writing to the register. Actual register contents as received from a previous read access is shown in the lower row (outlined in blue).
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Page 22: Script Editor
UM12257 NXP Semiconductors TJA14xx evaluation boards 5.4.6 Script editor Selecting the Script editor tab opens a tool for creating, executing, loading and saving Python command sequences ('scripts'). These are used for reading from or writing to registers as well as sending and receiving CAN messages. -
Page 23: Command Generator
UM12257 NXP Semiconductors TJA14xx evaluation boards The code editor (outlined in green) The script code is displayed and can be edited here. For information on how to write scripts, see the FlexGUI Script Editor Manual and example scripts, both included with the FlexGUI package. -
Page 24: Preferences
UM12257 NXP Semiconductors TJA14xx evaluation boards 5.4.7 Preferences The Preferences window is opened by clicking on Actions in the top-left corner of the FlexGUI start-up window (Figure 15) and selecting 'Edit Preferences'. Figure 19. Preferences The General tab is used to modify logging and polling settings. In most cases, this will not be necessary. -
Page 25: Legal Information
NXP Semiconductors. proprietary technologies supported by NXP products for use in customer’s In no event shall NXP Semiconductors be liable for any indirect, incidental, applications. NXP accepts no liability for any vulnerability. Customer should punitive, special or consequential damages (including - without limitation - regularly check security updates from NXP and follow up appropriately. -
Page 26: Table Of Contents
UM12257 NXP Semiconductors TJA14xx evaluation boards Contents Introduction ............3 Finding kit resources and information on the NXP website .........3 Getting ready ........... 4 Kit contents ............4 Additional hardware ........... 4 Software .............4 Getting to know the hardware ......4 Board image ............
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