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WIZnet Ethernet HAT for Pico

WIZnet Ethernet HAT for Pico

Artikelnummer: 11832

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Details

The WIZnet Ethernet HAT is a Raspberry Pi Pico add-on board that utilizes the W5100S embedded internet controller chip to provide an Ethernet connection to your Raspberry Pi Pico via SPI.

The board supports both 3.3V & 5V and can be mounted directly to your Pico as the HAT pinout matches the Raspberry Pi Pico pin footprint (the board comes with a pair of female headers).

About the W5100S Embedded Internet Controller

The W5100S is an embedded Internet controller designed as a full hardwired TCP/IP with WIZnet technology. W5100S provides internet connectivity to your Pico by using SPI (Serial Peripheral Interface). SPI provides an easy connection via external MCU to W5100S. The clock speed of W5100S SPI supports up to 70MHz.

Since the W5100S integrates the hardwired TCP/IP stack with 10/100 Ethernet MAC and PHY, it is truly a one-chip solution for stable internet connectivity. WIZnet’s hardwired TCP/IP stack supports TCP, UDP, IPv4, ICMP, ARP, IGMP, and PPPoE - and it has been proven through various applications over the last decade.

The W5100S provides four independent sockets to be used simultaneously and 16KB internal memory for data communication. Users can develop an Ethernet application easily by using the simple W5100S socket program instead of handling a complex Ethernet Controller. W5100S also provides WOL (Wake on LAN) and a Power Down Mode in order to reduce power consumption.

Features

Utilises the W5100S embedded internet controller
Supports Hardwired Internet Protocols: TCP, UDP, WOL over UDP, ICMP, IGMPv1/v2, IPv4, ARP, PPPoE
Supports 4 Independent Hardware SOCKETs simultaneously
Internal 16 Kbytes Memory for TX/ RX Buffers
Operation Voltage 3.3V / 5V
Built-in LDO (LM8805SF5-33V)
SPI Interface
5V I/O tolerance
10 / 100 Ethernet PHY embedded
Supports Auto Negotiation
Full / Half Duplex
10 / 100 Based
Built-in RJ45 (RB1-125BAG1A)

Pin Description

I/O	Pin Name	Description
P	VBUS	Power supply, 4.3~5.5 Voltage
P	3V3	Power supply, 3.3 Voltage
P	GND	Power ground
I	INTn	W5100S Interrupt Low activity.
I	RSTn	W5100S Reset: Low activity
I	SPI0 TX	SPI MOSI (Master Out Slave In)
I	SPI0 SCK	SPI Clock
I	SPI0 CSn	SPI Slave Select
O	SPI0 RX	SPI MISO(Master In Slave Out)

Resources

Package Contents

1x WIZnet Ethernet HAT
2x 20-pin female headers

Raspberry Pi Pico not included