RC22312A/RC32312A Evaluation Board Manual 
 
R31UH0022EU0100 Rev.1.00 
Mar 28, 2023 
 
 
 
Figure 2. Evaluation Board 
 
Refer to Table 1 and Figure 2 for the RC22312A/RC32312A evaluation board pin descriptions and functions. 
 
Table 1. RC22312A/RC32312A Evaluation Board Pin Descriptions 
 
Item No.  Name 
Connector Label 
Function 
Evaluation device, 64-VFQFPN. 
2 
Connector 
J119  6-pin header of I
2
C connector for SCL and SDA pins. 
3  USB Interface  U16 
USB type jack for connection with the computer and 
interaction with RICBox software. 
External clock input signal to XIN pin.