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PER Firmware
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| 1. WIZnet socket APIs | WIZnet socket APIs are based on Berkeley socket APIs, thus it has much similar name and interface. But there is a little bit of difference |
| DATA TYPE | |
| ▼W5500 | WHIZCHIP register defines and I/O functions of W5500 |
| ▼WIZCHIP register | WHIZCHIP register defines register group of W5500 |
| Common register | Common register group It set the basic for the networking It set the configuration such as interrupt, network information, ICMP, etc |
| Socket register | Socket register group. Socket register configures and control SOCKETn which is necessary to data communication |
| ▼WIZCHIP I/O functions | This supports the basic I/O functions for WIZCHIP register |
| Basic I/O function | These are basic input/output functions to read values from register or write values to register |
| Common register access functions | These are functions to access common registers |
| Socket register access functions | These are functions to access socket registers |
| 2. WIZnet Extra Functions | These functions is optional function. It could be replaced at WIZCHIP I/O function because they were made by WIZCHIP I/O functions |