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AXEL ULite Hardware Manual
6.4
IoT Gateway – use case 2
The following scenario shows a possible example of a blind appliance
where Connectivity is the most important functionality. The two ethernet
controllers, two USB ports, eight UARTs, two I2C, two SPI and one audio
peripherals can be used simultaneously into the Gateway pinmuxing
application.
In the paragraph below you can find a possible peripherals' configuration
list that configure the system as an IoT Gateway.
Remember that some standard peripherals in the list above are required
to configure your system.
This configuration suppose to use:
● enet1 (eth1) ethernet port (Ethernet on Invariant base)
● enet2 ethernet port
● two USB host ports (USB on Invariant base)
● eight UART peripherals
● two I2C peripherals
● two SPI peripherals
● SD interface for recovery and storage (SD1 on Invariant base)
● NOR flash for boot (NOR on Invariant base)
● NAND flash (NAND on Invariant base)
● up to 20 free GPIOs
v.1.0.2
● four two-wire UART
● four four-wire UART
● alternative eMMC (SD2) for root file system
August, 2019
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