Power-On/Off Sequence With 2.5-V Built-In Regulator; Figure 2.3 Power-On/Off Sequence (With 2.5-V Built-In Regulator); Figure 2.4 Power Supply Channel To R-In32M4-Cl3 (With 2.5-V Built-In Regulator) - Renesas R-IN32M4-CL3 User Manual

R-IN32M4-CL3 User's Manual: Board design edition
2.1.2

Power-On/Off Sequence with 2.5-V built-in Regulator

(1) Supplying Power Voltages
Supply power voltages so that the following two conditions are both satisfied.
1. The period from when VDD33 or VDD11 reaches 10% VDD to when both of them reach 90% VDD or higher is
within 100 ms.
2. The period from when VDD33 or VDD11 reaches 95% VDD to when both of them reach 95% VDD or higher is
within 49 ms.
(2) Turning Off Power Voltages
Turn off power voltages so that the following two conditions are both satisfied.
1. The period from when VDD33 or VDD11 reaches 90% VDD to when both of them reach 10% VDD or lower is
within 100 ms.
2. The period from when VDD33 or VDD11 reaches 95% VDD to when both of them reach 95% VDD or lower is
within 49 ms.
External power supply
VDD33
90% VDD33
VDD11
10% VDD11
GND

Figure 2.3 Power-On/Off Sequence (with 2.5-V built-in Regulator)

Figure 2.4 Power Supply Channel to R-IN32M4-CL3 (with 2.5-V built-in Regulator)

R18UZ0074EJ0100
Dec 24, 2019
95% VDD33
95% VDD11
49 ms
100 ms
3.3 ± 0.165 V
2.5 ± 0.125 V
Regulator
R-IN32M4-CL3
49 ms
100 ms
1.15 ± 0.06 V
Gigabit
Ethernet
PHY
2. Power/Reset Pins
90% VDD33
10% VDD11
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