Renesas RA Family  MCK-RA6T2 User's Manual 
R12UZ0091EJ0100 Rev 1.00    Page 36 of 38 
August 3, 2021   
7.  Communication Board Specification 
This section describes the specification of the communication board. 
 
7.1  Functions 
7.1.1  Power supply 
Power of this product is supplied at 5V from USB connector. 
 
7.1.2  USB communication 
This product is equipped with a USB type-C connector for communication with a PC when using Renesas 
Motor Workbench, etc. 
 
7.1.3  Serial communication 
This board has two SCI connectors for serial communication with the target MCU when using Renesas Motor 
Workbench, etc. The pin assignments are shown in Table 7-1 and Table 7-2. When using the communication 
cable bundled with this product, use CN5. 
The serial communication connector and the MCU (RX72N) are connected via a digital isolator, so the 
communication board and the CPU board with the target MCU are isolated. 
 
Table 7-1 SCI connector (CN5) pin assignment