---
title: "W5500 OFFSET ADRESSES"
url: "https://maker.wiznet.io/forum/14501"
markdown_url: "https://maker.wiznet.io/forum/14501/md"
type: "Forum topic"
category: "Ethernet Chips"
author: "ilker"
created: "2022-03-13T10:15:18+09:00"
last_activity: "2022-03-13T23:53:38+09:00"
language: "en"
views: 232
replies: 1
source: "WIZnet Makers forum (https://maker.wiznet.io/forum/)"
---

# W5500 OFFSET ADRESSES

## Question

Asked by ilker on 2022-03-13 in Ethernet Chips.

Hi,I’m trying to find the address offsets of the blocks in the Register & Memory Organization section of the w5500’s datasheet, but I couldn’t find it from the figure. How do we find the offsets of these blocks?

[![Ekran Alıntısı](https://maker.wiznet.io/forum_uploads/wiznet/original/2X/2/2848de325fda566a3388b9ce5877b7b0921bd617.png) Ekran Alıntısı1234×808 184 KB](https://maker.wiznet.io/forum_uploads/wiznet/original/2X/2/2848de325fda566a3388b9ce5877b7b0921bd617.png)

## Replies

### Reply 1 by gemma, 2022-03-13

Hello,
Please refer to the provided W5500 io Library.
Link is below.
<https://github.com/Wiznet/ioLibrary_Driver/blob/master/Ethernet/W5500/w5500.h>

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Source: https://maker.wiznet.io/forum/14501