Renesas EK-RA4M3

User’s Manual
R20UT4803EG0101 Rev 1.01 Page 1 of 29
Jan.06.21
Renesas RA Family
EK-RA4M3 v1
Contents
1. Kit Overview ............................................................................................................................ 4
1.1 Assumptions and Advisory Notes ............................................................................................................ 6
2. Kit Contents ............................................................................................................................. 7
3. Kit Ordering Information ........................................................................................................... 7
4. Hardware Architecture and Default Configuration .................................................................... 8
4.1 Kit Architecture ........................................................................................................................................ 8
4.2 System Block Diagram ............................................................................................................................ 9
4.3 Jumper Settings ..................................................................................................................................... 10
4.3.1 Copper Jumpers .................................................................................................................................. 10
4.3.2 Traditional Pin Header Jumpers .......................................................................................................... 10
4.3.3 Default Jumper Configuration .............................................................................................................. 10
5. System Control and Ecosystem Access Area ........................................................................ 12
5.1 Power .................................................................................................................................................... 13
5.1.1 Power Supply Options ......................................................................................................................... 13
5.1.2 Power Supply Considerations ............................................................................................................. 13
5.1.3 Power-up Behavior .............................................................................................................................. 13
5.2 Debug and Trace ................................................................................................................................... 14
5.2.1 Debug On-Board ................................................................................................................................. 14
5.2.2 Debug In .............................................................................................................................................. 15
5.2.3 Debug Out ........................................................................................................................................... 16
5.3 Ecosystem ............................................................................................................................................. 17
5.3.1 Seeed Grove
®
Connectors .................................................................................................................. 17
5.3.2 SparkFun
®
Qwiic
®
Connector .............................................................................................................. 18
5.3.3 Digilent Pmod™ Connectors ............................................................................................................... 18
5.3.4 Arduino™ Connector ........................................................................................................................... 20
5.3.5 MikroElektronika™ mikroBUS Connector ........................................................................................... 21
5.4 Connectivity ........................................................................................................................................... 22
5.4.1 USB Full Speed ................................................................................................................................... 22
5.5 Miscellaneous ........................................................................................................................................ 23
5.5.1 User and Power LEDs ......................................................................................................................... 23
5.5.2 User and Reset Switches .................................................................................................................... 23
5.5.3 MCU Boot Mode .................................................................................................................................. 24
6. Special Feature Access Area ................................................................................................. 24