WIZ820IO
Internet Offload Network ModuleThe WIZ820IO is a internet offload network module from WIZnet. View the full WIZ820IO datasheet below including key specifications.
Official WIZ820IO datasheet (PDF) — the source this page was extracted from.
WIZ820IO Key Specifications
| Parameter | Value |
|---|---|
| PCB Dimensions | 23mm x 25mm |
| Supply Voltage | 3.3V |
| Ethernet Standard | 10/100 Base TX |
| SPI Clock Frequency | Up to 80 MHz |
| Supported Protocols | TCP, IPv4, UDP, ICMP, ARP, PPPoE, IGMP, DLC, MAC |
| I/O Signal Tolerance | 5V |
| Reset Cycle Time (Min) | 2 us |
| Communication Interface | SPI (Mode 0, 3) |
| Simultaneous Connections | 8 |
| NRST Internal PLOCK Time (Max) | 150 ms |
WIZ820IO Overview
Part: WIZ820io — WIZnet Co., Ltd.
Type: Internet Offload Network Module
Description: Internet offload network module that includes W5200 TCP/IP hardwired chip, integrated PHY, and MAG-JACK, supporting 10/100 Base TX Ethernet and a high-speed SPI interface.
Operating Conditions:
- Supply voltage: 3.3V
- SPI interface: Mode 0, 3
Key Specs:
- SCK Clock Frequency: Max 80 MHz
- SCK High Time: Min 6 ns
- SCK Low Time: Min 6 ns
- nSCS High Time: Min 5 ns
- nSCS Hold Time: Min 5 ns
- Data In Setup Time: Min 3 ns
- Data In Hold Time: Min 3 ns
- Output Valid Time: Max 5 ns
- Reset Cycle Time: Min 2 us
Features:
- Supports 10/100 Base TX
- Supports half/full duplex operation
- Supports auto-negotiation and auto cross-over detection
- IEEE 802.3/802.3u Compliance
- Supports high speed SPI Interface (SPI mode 0, 3)
- Operates 3.3V with 5V I/O signal tolerance
- Supports network status indicator LEDs
- Includes Hardware Internet protocols: TCP, IPv4, UDP, ICMP, ARP, PPPoE, IGMP
- Includes Hardware Ethernet protocols: DLC, MAC
- Supports 8 independent connections simultaneously
- Supports Power down mode
- Supports Wake On LAN
- Supports Socket API for easy application programming
Package:
- Module (23mm x 25mm PCB size)
- Interfaces with two 2.54mm pitch 1 x 6 header pin
WIZ820IO Pin Configuration
< TOP side view >
< TOP side view >
< Pin assignment >
< Pin assignment >
WIZ820IO Ordering Information
| MPN | Package | Temperature Range | Packing |
|---|---|---|---|
| WIZ820io | Module | null | null |
More datasheets
Ask your AI agent about the WIZ820IO
Connect SheetsData to Claude, Cursor, Codex or any MCP client and your agent reads this datasheet for you: pinout, limits, register maps and design checks, with the numbers taken from the PDF.
claude mcp add --transport http sheetsdata https://mcp.sheetsdata.com/mcp
Then ask: "Can the WIZ820IO run from my 12 V rail? Check it against the datasheet limits."
Create a free account $2 of usage every month, no card needed.