Renesas RA Family  MCK-RA6T2 User's Manual 
R12UZ0091EJ0100 Rev 1.00    Page 16 of 38 
August 3, 2021   
4.5.3  Communication Board 
Default settings and functions of the jumper pins (JP1~JP3) are as follows. 
 
Table 4-7 Jumper pin setting of communication board 
1-2pin short : Enable pull-up for MD port (Not available) 
1-2pin open : Enable pull-up for MD port 
1-2pin short : Disable pull-up for GPIO(PC6) 
1-2pin open : Enable pull-up for GPIO(PC6) 
1-2pin short : Disable pull-up for GPIO(PC5) 
1-2pin open : Enable pull-up for GPIO(PC5) 
 
 
Figure 4-8 Default jumper pin setting of communication board