Shanghai ZLAN Information Technology Co., Ltd Tel: +86-17321037177 http://www.zlmcu.com
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Figure 65 ZLSN2003 Firmware Upgrade Method
4) Here the download progress bar starts to move, the download time is about 30 seconds.
During the download, you’ll see the ACT light of the device flashes, and at the end of the
download, the LINK light flashes a few times. Then the program will pop up the prompt
box of "Finish transfer don’t power off when the LINK lamp flashing". Note: this is only
the transfer finishing, it takes about 3 seconds to write the flash process, and the LINK
light will blink. Please do not power off during this period.
5) After the download, generally the program will be restarted automatically, and no need to
power off. See the running indicator light flashing, if there is no automatic restart, please
repower after the LINK light stop flashing for more than 30 seconds.
6) Web configuration interface update: after firmware upgrade, the internal configuration
page of the module also needs to be updated, otherwise it cannot be configured through
the Web, but it does not affect the communication. If no need the web configuration you
can ignore the webpage download. The way to download the Web is: change the
download mode of “code file” to “Webpage directly download mode” as shown in figure
66. And select the root directory that local web page in for the directory (the directory
can be gained from ZLAN) of which the webpage needed to download in, click on the
download, all the files in local web page directory will be downloaded to the file system
inside the device.
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