Renesas EK-RA4E2

User’s Manual
R20UT5175EG0300 Rev. 3.00 Page 1 of 30
Feb.27.23
Renesas RA Family
EK-RA4E2 v1
Contents
1. Kit Overview ............................................................................................................................ 4
1.1 Assumptions and Advisory Notes ............................................................................................................ 6
2. Kit Contents ............................................................................................................................. 7
3. Ordering Information ................................................................................................................ 7
4. Hardware Architecture and Default Configuration .................................................................... 8
4.1 Kit Architecture ........................................................................................................................................ 8
4.2 System Block Diagram .......................................................................................................................... 10
4.3 Jumper Settings ..................................................................................................................................... 10
4.3.1 Copper Jumpers .................................................................................................................................. 10
4.3.2 Traditional Pin Header Jumpers .......................................................................................................... 11
4.3.3 Default Jumper Configuration .............................................................................................................. 11
5. System Control and Ecosystem Access Area ........................................................................ 13
5.1 Power .................................................................................................................................................... 14
5.1.1 Power Supply Options ......................................................................................................................... 14
5.1.2 Power Supply Considerations ............................................................................................................. 15
5.1.3 Power-up Behavior .............................................................................................................................. 15
5.2 Debug and Trace ................................................................................................................................... 15
5.2.1 Debug On-Board ................................................................................................................................. 15
5.2.2 Debug In .............................................................................................................................................. 16
5.2.3 Debug Out ........................................................................................................................................... 17
5.3 Ecosystem ............................................................................................................................................. 18
5.3.1 Seeed Grove
®
Connectors .................................................................................................................. 18
5.3.2 SparkFun
®
Qwiic Connector ................................................................................................................ 19
5.3.3 Digilent Pmod™ Connectors ............................................................................................................... 19
5.3.4 Arduino™ Connector ........................................................................................................................... 21
5.3.5 MikroElektronika™ mikroBUS Connector ........................................................................................... 22
5.4 Connectivity ........................................................................................................................................... 23
5.4.1 USB Full Speed ................................................................................................................................... 23
5.4.2 I3C ....................................................................................................................................................... 23
5.5 Miscellaneous ........................................................................................................................................ 23
5.5.1 User and Power LEDs ......................................................................................................................... 23
5.5.2 User and Reset Switches .................................................................................................................... 24
5.5.3 MCU Boot Mode .................................................................................................................................. 25