---
title: "[From QnA] WIZ220IO Software editor"
url: "https://maker.wiznet.io/forum/9604"
markdown_url: "https://maker.wiznet.io/forum/9604/md"
type: "Forum topic"
category: "General"
author: "irina"
created: "2013-10-02T08:19:33+09:00"
last_activity: "2020-12-14T04:26:20+09:00"
language: "en"
views: 737
replies: 1
source: "WIZnet Makers forum (https://maker.wiznet.io/forum/)"
---

# [From QnA] WIZ220IO Software editor

## Question

Asked by irina on 2013-10-02 in General.

## This post came from QnA of WIZnet website

Hi,

I’ve downloaded the source code for the WIZ220IO_CFG_V1.1.
What compiler or developpement tool can I use to edit and build this kind of project ?

Thanks.

## Replies

### Reply 1 by irina, 2013-10-02

Dear customer,

Thanks for your interest in our WIZ220IO.
WIZ220IO is composed by W7100 which is a 8051 core MCU. So ,you can use Keil C (ver 3) to build, edit and compile the source code.

Thanks,
WIZnet

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Source: https://maker.wiznet.io/forum/9604