EVB-PIC24 WIZnet, EVB-PIC24 Datasheet - Page 62

• Manufacturer Part Number: EVB-PIC24
• Description: Development Boards & Kits - PIC / DSPIC W3150A+EVAL BOARD BASED ON PIC24
• Manufacturer: WIZnet

Specifications of EVB-PIC24

• Rohs: yes
• Product: Development Kits
• Interface Type: RS-232
• Data Bus Width: 16 bit
• Dimensions: 50 mm x 40 mm

Web Server program analyzes method and URI(Uniform Resource Identifier) of HTTP Request message
received from web browser, and in case the related URI simply requests for web page, then the page will be
sent. If it requests an action such as CGI(Common Gateway Interface) then it takes the action and the result
is informed in web page.
<Fig 3.17> shows HTTP message flow between web server and web client and <Table 3-28> shows
structure of HTTP message.
Request of Client(Web Browser)
<Table 3-26: Web Browser’s HTTP Request Operation Procedure >
--> URL Analysis(Transforming Domain Name to IP Address at DNS)
--> Connection to server at the other end
--> Client(Web Browser) requests document wanted from URL
--> Sending Document(Server)/Receiving Document (Client)
--> Displays received document on the browser
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<Fig 3.17: HTTP Message Flow>
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