Ethernet Phy Pins (R-In32M3-Ec Only); Ethernet Phy Power Supply Pins; Figure 7.1 Decoupling Capacitors For Power Supply - Renesas R-IN32M3 Series User Manual

R-IN32M3 Series: Board design edition
7.

Ethernet PHY Pins (R-IN32M3-EC Only)

7.1

Ethernet PHY Power Supply Pins

As for analog power supply pins for the built-in Ethernet PHY of the R-IN32M3-EC, power separation by ferrite beads
(FB) and the configuration of filters as follows are recommended.

Figure 7.1 Decoupling Capacitors for Power Supply

R18UZ0021EJ0400
Dec. 28, 2018
7. Ethernet PHY Pins (R-IN32M3-EC Only)
Decoupling capacitors
0.1 µF and 22 µF
FB
Decoupling capacitors 10 nF and 22 nF
(as close to the pins as possible)
R-IN32M3
GND
VDD15 (1.5 V)
VDD33 (3.3 V)
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