RH850/F1Kx, RH850/F1K Series Hardware Design Guide
R01AN3841ED0110 Rev. 1.10 Page 60 of 108
August 8, 2019
The definition of components categories is as follows:
• Required component
Component that must be implemented as part of the device specification.
• Recommended component
Component that is not required by the device specification, but is provided in order to secure the device
operating conditions. The component value depends on the application requirements and must be evaluated
with best engineering practice.
• Typical component
Component that is not required by the device specification, but typically is provided in order to fulfil a use
case. The component value depends on the application requirements and must be evaluated with best
engineering practice.
General guideline and recommendation to improve the electromagnetic interference:
In order to improve the electromagnetic interference and susceptibility it is recommended to add a capacitor of typ.
4.7µF or larger in parallel to the capacitor C16 at REGVCC. The value and PCB placement of the parallel capacitor
depends on the application requirements.
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