Renesas RA Series User Manual

Renesas RA Microcontrollers EK-RA6M2 v1 – User's Manual
R20UT4578EU0102 Rev.1.02 Page 28 of 32
Jul.29.20
By default, VREFH0 is connected to +3V3MCU, and VREFL0 is connected to the system ground. To
disconnect these references from the VREFH0 and VREFL0 lines, copper jumpers E50 and E51 must be
open.
Figure 31. Analog and Reference Voltages
5.6.5.2 VCL
By default, the Main MCU pin VCL is connected to reference capacitor C51. To connect
this pin to MCU pin header J2, copper jumper E55 must be closed. To disconnect the
reference capacitor C51, copper jumper E54 must be open.
Figure 32. VCL and VCL Capacitor
5.6.5.3 Ext VCL0 and VCL0 Cap
By default, MCU pin VCL0 is connected to reference capacitor C17. To connect this
pin to the MCU pin header xx, copper jumper E28 must be closed. To disconnect the
reference capacitor C17, copper jumper E29 must be open.
Figure 33. VCC_USB Circuit

Renesas RA Series Specifications

General

Brand	Renesas
Model	RA Series
Category	Microcontrollers
Language	English