IoT Access System – Using the High-end Arm9 Microprocessor

[NuvotonMarcom]

With the development of IoT technology, traditional access systems now also gradually need networking functions. Since access systems are fixed devices, networking functions can be achieved by using wired Ethernet, and the networking functions can be used to realize the real-time connection, authentication, and recording with the backend server. Also, the LCD can be used to display the access status of access sites, and different ports can be used to control different peripheral devices such as the NFC card reader, printer, and the gate, etc.

The TCP/IP protocol can be quickly constructed for network systems under Linux OS, allowing the controller of users to quickly control peripheral devices while networking so that people entering and exiting will not get injured by the gate due to poor gate control from networking.

Nuvoton’s NUC980 Ethernet series has a maximum of 128MB DDR built-in memory that can easily run Linux OS, and it is also equipped with LQFP MCP (Multi-Chip Packaging) technology that allows easier hardware designing without having to worry about the synchronization issue for high-speed DDR memory wiring. It also supports the 16-bit EBI interface that can connect to an i80 mode LCD to use as the display for color human-machine interface, and supports an industrial level operating temperature from -40°C to 85°C. This series has an additional configuration of a maximum of two 10/100 Mbps Ethernet MAC and RMII interfaces, hardware encryption engine and multiple types of communication port interfaces including 2 CAN 2.0B interfaces and up to 10 UART interfaces, etc., able to provide the application requirements for access management solutions.

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