RC22312A/RC32312A Evaluation Board Manual 
 
R31UH0022EU0100 Rev.1.00 
Mar 28, 2023 
 
 
For proper functionality out of the box, the jumpers on board should be placed to allow the correct voltages at 
each LDO and domain. The jumpers should be arranged as described in Table 2.  
 
Table 2. Default Jumper Configurations 
 
Connect nCS_LS to IC from FTDI 
Connect MISO_LS to IC from FTDI 
Connect SCL_SCLK_LS to IC from FTDI 
Connect SDA_SDIO_LS to IC from FTDI 
I
2
C Pull-up to VDDD33_SERIAL 
I
2
C Pull-up to VDDD33_SERIAL 
Bus Communication Selection  J119 
Between FTDI_SDO and AVK_SDA and between FTDI_SCL 
and AVK_SCL 
SDO and SDI Connection for I
2
C 
Between FTDI_SDO_J and FTDI_SDI_J