Renesas EK-RA4E2

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Renesas RA Family EK-RA4E2 v1 – User's Manual

R20UT5175EG0300 Rev. 3.00 Page 9 of 30

Feb.27.23

System Control and

Ecosystem Access Area

Special Feature Access Area

Native Pin Access Area

Figure 4. EK-RA4E2 Board Functional Area Definitions

Main Page

Table of Contents5
Kit Overview8
Figure 1. EK-RA4E2 Board Top Side9
Assumptions and Advisory Notes10
Figure 2. EK-RA4E2 Board Bottom Side10
Kit Contents11
Ordering Information11
Figure 3. EK-RA4E2 Kit Contents11
Hardware Architecture and Default Configuration12
Kit Architecture12
Table 1. Kit Architecture12
Figure 4. EK-RA4E2 Board Functional Area Definitions13
System Block Diagram14
Jumper Settings14
Copper Jumpers14
Figure 5. EK-RA4E2 Board Block Diagram14
Traditional Pin Header Jumpers15
Default Jumper Configuration15
Figure 6. Copper Jumpers15
Table 2. Default Jumper Settings15
System Control and Ecosystem Access Area17
Figure 7. System Control and Ecosystem Access Area17
Power18
Power Supply Options18
Figure 8. Power Supply Options18
Figure 9. Test Point Location18
Power Supply Considerations19
Power-Up Behavior19
Debug and Trace19
Debug On-Board19
Table 3. Debug Modes19
Table 4. Jumper Connection Summary for Different Debug Modes19
Table 5. Debug USB Connector19
Debug in20
Figure 10. EK-RA4E2 Debug Interface20
Table 6. Debug On-Board Jumper Configuration20
Table 7. Debug in Mode Jumper Configuration20
Debug out21
Table 8. JTAG/SWD Connector (J20)21
Table 9. JTAG/SWD Connector (J13)21
Ecosystem22
Seeed Grove ® Connectors22
Table 10. Debug out Jumper Configuration22
Table 11. Grove 1 Connector22
Table 12. Grove 2 Connector22
Sparkfun ® Qwiic Connector23
Digilent Pmod™ Connectors23
Figure 11. Seeed Grove and Sparkfun23
Table 13. Qwiic Connector23
Table 14. Pmod 1 Connector23
Figure 12. Pmod 1 Connector24
Table 15. Pmod 2 Connector24
Arduino™ Connector25
Figure 13. Pmod 2 Connector25
Table 16. Arduino uno Connections25
Mikroelektronika™ Mikrobus Connector26
Figure 14. Arduino uno Connectors26
Figure 15. Mikrobus Connection26
Table 17. Mikrobus Connections26
Connectivity27
USB Full Speed27
I3C27
Miscellaneous27
User and Power Leds27
Figure 16. USB Full Speed Connector27
Table 18. USB Full Speed Connector27
Table 19. EK-RA4E2 Board LED Functions27
User and Reset Switches28
Figure 17. User Leds28
Figure 18. Power LED28
Figure 19. Reset and User Switches28
Table 20. EK-RA4E2 Board Switches28
MCU Boot Mode29
Crystals29
Special Feature Access Area29
CAN Bus29
Figure 20. Boot Mode29
Figure 21. Special Feature Access Area29
Figure 22. CAN Bus29
Table 21. Main 20 Mhz Crystal Selection29
Table 22. CAN Bus Assignments29
MCU Native Pin Access Area30
Breakout Pin Headers30
Figure 23. Native Pin Access Area30
Table 23. CAN Connector Pin Assignments30
MCU and USB Current Measurement31
Figure 24. RA +3.3 V Current Measurement Circuit31
Figure 25. RA MCU Current Measurement31
Certifications32
EMC/EMI Standards32
Material Selection, Waste, Recycling and Disposal Standards32
Safety Standards32
Design and Manufacturing Information33
Website and Support33
Table 24. EK-RA4E2 Board Design Package Contents33
Revision History34

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