W5200 datasheet(11/88 Pages) WIZNET

11 / 88 page

This function activates only during reset

period

RSV

Reserved Pin



Notes: Pull-Up/Down resistor = Typical value are 10K

Ω.

1.4 Power Supply Signals

Symbol

Type

Pin No

Description

VCC3V3A

Power

11, 15, 23

3.3V power supply for Analog part

VCC3V3

Power

27, 47

3.3V power supply for Digital part

VCC1V8

Power

8, 25

1.8V power supply for Digital part

GNDA

Ground

13, 19, 22, 24

Analog ground

GND

Ground

9, 10, 26,

28, 48

Digital ground

1V8O

1.8V regulator output voltage

1.8V/200mA power created by internal power

regulator, is used for core operation power

( VCC1V8).

Be sure to connect tantalum capacitor between

1V8O

and

GND

for

output

frequency

compensation, and selectively connect 0.1uF

capacitor for high frequency noise decoupling.

Notice: 1V8O is the power for W5200 core

operation. It should not be connected to the

power of other devices.

XTALVDD

Figure 2 XTAL_VDD Reference Schematic

Connect a capacitor of 10.1uF to the ground.

※ Refer to the ‘W5200E01-M3 Reference schematic

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