WIZnet W5500-EVB-Pico - RP2040 Board with Ethernet

WIZnetSKU: 105183
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The W5500-EVB-Pico is a microcontroller evaluation board based on the Raspberry Pi RP2040 microcontroller chip and a full hardwired TCP/IP controller W5500 chip.

As the board uses the same pin layout as the Raspberry Pi Pico and includes W5500 embedded ethernet controller, giving you the power of a Raspberry Pi Pico with Ethernet connectivity in a single board!

Updated version! We're now stocking the W5500 version of this board

There's a detailed getting started guide and firmware examples, and it's also the first RP2040-based device to receive AWS IoT Core Qualification!

Don't forget to grab a micro-USB cable for programming. The board comes with a pair of male headers but we also have female and stacking sets in the store.

Features

  • RP2040 microcontroller with 2MB Flash
    • Dual-core Cortex M0+ at up to 133MHz
    • 264kByte multi-bank high-performance SRAM
    • External Quad-SPI Flash with eXecute In Place (XIP)
    • High-performance full-crossbar bus fabric
    • 30 multi-function General Purpose IO (4 can be used for ADC)
      • 1.8-3.3V IO Voltage (NOTE. Pico IO voltage is fixed at 3.3V)
    • 12-bit 500ksps Analogue to Digital Converter (ADC)
    • Various digital peripherals
      • 2 × UART, 2 × I2C, 2 × SPI, 16 × PWM channels
      • 1 × Timer with 4 alarms, 1 × Real Time Counter
    • 2 × Programmable IO (PIO) blocks, 8 state machines total
    • Flexible, user-programmable high-speed IO
    • Can emulate interfaces such as SD Card and VGA
  • Includes W5500 Embedded Ethernet Controller
    • Supports Hardwired Internet Protocols: TCP, UDP, ICMP, IPv4, ARP, IGMP, PPPoE
    • Supports 8 Independent Hardware SOCKETs simultaneously
    • Internal 32 Kbytes Memory for TX/ RX Buffers
    • Supports High Speed Serial Peripheral Interface(SPI MODE 0, 3)
  • Other Features
    • Micro-USB B port for power and data (and for reprogramming the Flash)
    • 40 pin 21×51 ‘DIP’ style 1mm thick PCB with 0.1″ through-hole pins also with edge castellations
    • 3-pin ARM Serial Wire Debug (SWD) port
    • 10 / 100 Ethernet PHY embedded
    • Supports Auto-Negotiation
      • Full / Half Duplex
      • 10 / 100 Based
    • Built-in RJ45
    • Built-in LDO
    • RUN and ROOTSEL buttons

Hardware Specification

Pinout

WiIZnet W500-EVB-Pico Pinout

The W5500-EVB-Pico pinout is directly connected to the GPIO of RP2040 as shown in the picture above. It has the same pinout as the Raspberry Pi Pico board. However, GPIO16, GPIO17, GPIO18, GPIO19, GPIO20, GPIO21 are connected to W5500 inside the board. These pins enable SPI communication with W5500 to use the Ethernet function.

If you are using the Ethernet function, these pins cannot be used for any other purpose.

The RP2040 GPIO used inside W5500-EVB-Pico is as follows.

I/O Pin Name Description
I GPIO16 Connected to MISO on W5500
O GPIO17 Connected to CSn on W5500
O GPIO18 Connected to SCLK on W5500
O GPIO19 Connected to MOSI on W5500
O GPIO20 Connected to RSTn on W5500
I GPIO21 Connected to INTn on W5500
I GPIO24 VBUS sense - high if VBUS is present, else low
O GPIO25 Connected to user LED
I GPIO29 Used in ADC mode (ADC3) to measure VSYS/3

Apart from GPIO and ground pins, there are 7 other pins on the main 40-pin interface:

Pin Name Description
40 VBUS Micro-USB input voltage, connected to micro-USB port pin 1. Nominally 5V
39 VSYS Main system input voltage, which can vary in the allowed range 4.3V to 5.5V, and is used by the on-board LDO to generate the 3.3V
37 3V3_EN Connects to the on-board LDO enable pin. To disable the 3.3V (which also de-powers the RP2040 and W5500), short this pin low
36 3V3 Main 3.3V supply to RP2040 and W5500, generated by the on-board LDO
35 ADC_VREF ADC power supply (and reference) voltage, and is generated on W5500-EVB-Pici by filtering the 3.3V supply
33 AGND Ground reference for GPIO26-29
30 RUN RP2040 enable pin, To reset RP2040, short this pin low/use button

Operating Conditions

Item Description
Operation Temperature MAX 85C (including self-heating)
Operation Temperature MIN -20C
VBUS DC 5V (+/- 10%)
VSYS Min DC 4.3V
VSYS Max DC 5.5V

Recommended maximum ambient temperature of operation is 70C.

Resources

Package Contents

  • 1x W5500-EVB-Pico
  • 2x 20-pin male headers

Revision History

  • As of 30/06/2022 we are now stocking the W5500 version
  • As of 25/05/2022 we are stocking the updated rev 1.1 version with an additional RUN button

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