---
title: "[WIZ750SR] How to ISP firmware upload & How to read flash data"
url: "https://maker.wiznet.io/forum/4676"
markdown_url: "https://maker.wiznet.io/forum/4676/md"
type: "Forum topic"
category: "General"
author: "WIZnet"
created: "2018-05-30T08:51:29+09:00"
last_activity: "2018-05-30T08:51:29+09:00"
language: "en"
views: 1121
replies: 0
source: "WIZnet Makers forum (https://maker.wiznet.io/forum/)"
---

# [WIZ750SR] How to ISP firmware upload & How to read flash data

## Question

Asked by WIZnet on 2018-05-30 in General.

**- When using ISP tool, User must use boot + app bin file - Firmware upload port is UART2**

As follow picture and list.

1. Execute ISP tool

2. The user must connect to UART2 COM port.
   Default baud rate is 115200
   After set serial information, push to “Open” button
   [![ISP0](https://maker.wiznet.io/forum_uploads/wiznet/original/2X/f/f03cd4bd9cc98f2ea304913c4160c79a51d665f5.png) ISP0738×785 20.6 KB](https://maker.wiznet.io/forum_uploads/wiznet/original/2X/f/f03cd4bd9cc98f2ea304913c4160c79a51d665f5.png)

3. As below picture after finished ISP mode access this tool display “Serial Open Complete” message on ISP tool.

4. Click to Browse and chose upload bin file.

5. Click to ISP Start button
   [![ISP1](https://maker.wiznet.io/forum_uploads/wiznet/original/2X/3/30bbd2ec2f15c6aa194c9726b064e0190c90a412.png) ISP1738×785 21.8 KB](https://maker.wiznet.io/forum_uploads/wiznet/original/2X/3/30bbd2ec2f15c6aa194c9726b064e0190c90a412.png)

6. After finish firmware upload, display a message as below picture.
   ![ISP3](https://maker.wiznet.io/forum_uploads/wiznet/original/2X/f/f418ccfdba5a35315cfa0e8228f781a1e660fee9.png)

---

As below list, you can read flash data.

1. Execute ISP tool

2. The user must connect to UART2 COM port.
   Default baud rate is 115200
   After set serial information, push to “Open” button
   [![ISP0](https://maker.wiznet.io/forum_uploads/wiznet/original/2X/f/f03cd4bd9cc98f2ea304913c4160c79a51d665f5.png) ISP0738×785 20.6 KB](https://maker.wiznet.io/forum_uploads/wiznet/original/2X/f/f03cd4bd9cc98f2ea304913c4160c79a51d665f5.png)

3. Click to ISP → Dump → Main Flash Dump menu.
   This way is reading to Code Flash.
   [![ISP_flash_read1](https://maker.wiznet.io/forum_uploads/wiznet/original/2X/2/23318ddf89ac70f11cd2ace3e3777dbba2b0efd9.png) ISP_flash_read1738×789 21.7 KB](https://maker.wiznet.io/forum_uploads/wiznet/original/2X/2/23318ddf89ac70f11cd2ace3e3777dbba2b0efd9.png)

4. Click to ISP → Dump → Data Dump menu.
   This way is reading to Data Flash.
   [![ISP_flash_read2](https://maker.wiznet.io/forum_uploads/wiznet/original/2X/0/0b8d5b2ba8db11633402a72f108bda807e5831aa.png) ISP_flash_read2738×790 23.2 KB](https://maker.wiznet.io/forum_uploads/wiznet/original/2X/0/0b8d5b2ba8db11633402a72f108bda807e5831aa.png)

---

Source: https://maker.wiznet.io/forum/4676