Renesas EK-RA4E2

Renesas RA Family EK-RA4E2 v1 – User's Manual
R20UT5175EG0300 Rev. 3.00 Page 12 of 30
Feb.27.23
Location
Circuit Group
Default Open/Closed
Function
E29
Debug MCU
Power
Closed
Connects the debug MCU power to +3.3 V
E30
JTAG
Closed
Connects the JTAG GND detect pin on J20 and
J13 to GND
E31
User Switch
Closed
Connects P005 to user switch S1
E32
User Switch
Closed
Connects P304 to user switch S2
E43
Grove 2
Open
Connects P014 to Grove 1 pin 2
E44
Grove 2
Closed
Connects P101 (SDA) to Grove 1 pin 2
E45
Grove 2
Open
Connects P015 to Grove 1 pin 1
E46
Grove 2
Closed
Connects P100 (SCL) to Grove 1 pin 1
E51
Pmod 1
Closed
Connects P014 to Pmod 1 pin 10
E52
Pmod 1
Closed
Connects P015 to Pmod 1 pin 9
E53
MCU Power
Closed
Connects AVCC0 to +3.3 V
E54
MCU Power
Closed
Connects AVSS0 to GND
E55
MCU Power
Closed
Connects VREFH0 to 3.3 V
E56
MCU Power
Closed
Connects VREFL0 to GND
E58
MCU Power
Closed
Connects VREFH0 to Arduino AREF
E63
I3C
Closed
Connects P205 to R41 for control of the I3C/I
2
C
SDA pull-up (active when P205 is driven high)
E64
MCU Clock
Open
Connects XCIN pin to pin header J1 pin 12
E65
MCU Clock
Open
Connects XCOUT pin to pin header J1 pin 13
E66
MCU Clock
Closed
Connects XCIN to 32.768 kHz crystal
E67
MCU Clock
Closed
Connects XCOUT to 32.768 kHz crystal
E68
MCU Clock
Closed
Connects P212/EXTAL to 20 MHz crystal
E69
MCU Clock
Closed
Connects P213/XTAL to 20 MHz crystal
E70
MCU Clock
Open
Connects P213/XTAL pin to pin header J2 pin 3
E71
MCU Clock
Open
Connects P212/EXTAL pin to pin header J2 pin 4
E72
J-Link OB
Closed
Enables debugger TRST signal
E73
I3C
Closed
Connects P206 to R11 for control of the I3C/I
2
C
SCL pull-up (active when P206 is driven high)
E74
Pmod 1
Open
Connects P303 (CTS9) to Pmod 1 pin 1
E75
Pmod 1
Open
Connects P301 (CTS_RTS9) to Pmod 1 pin 4
E76
Pmod 1
Closed
Connects P301 (SSLA0) to Pmod 1 pin 1
E77
Pmod 2
Open
Connects P213/XTAL to Pmod 2 pin 2
E78
Pmod 2
Open
Connects P212/EXTAL to Pmod 2 pin 3
E79
Pmod 2
Closed
Connects P411 to Pmod 2 pin 2
E80
Pmod 2
Closed
Connects P410 to Pmod 2 pin 3
E81
JTAG
Open
Isolates debugger from SCI0 RX P410