Cpu Board Specification; Functions; Power Supply; Onboard Debugger - Renesas RA Series User Manual

Renesas RA Family

5. CPU Board Specification

This section describes the specification of the CPU Board.
5.1

Functions

5.1.1

Power supply

When not connected to the inverter board, power should be supplied from the USB connector (CN11). When
connecting to the inverter board, power supply from the USB connector or from the inverter board will be
automatically selected. USB power supply has priority.
5.1.2

Onboard debugger

This product has the onboard debugger circuit, J-Link On-Board (hereinafter called "J-Link-OB"). You can
write a program (firmware) of RA8T1 with it. When you write a program, connect the CPU board to PC with
USB cable. J-Link-OB operates as debugger equivalent to J-Link. If connecting from Integrated Development
Environment(e.g. e2studio) or flash programing tool (e.g. J-Flash Lite by SEGGER), set the type of debugger
(tool) to "J-Link".
JP6
Open : onboard debugger valid
Short : onboard debugger invalid
5.1.3

J-Link Virtual COM Port

This product supports J-Link Virtual COM Port. By connecting to a PC with USB connector (CN11), a virtual
COM port via USB is available.
5.1.4

USB I/F

This product has a USB connector (CN14) for the USB Full-Speed module in RA8T1.
R12UZ0134EJ0100 Rev 1.00
Jan 23, 2024
Figure 5-1 Jumper setting of JP6
MCB-RA8T1 User's Manual
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