Analytical Instruments
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Full function USB controller
ARLs USB host controller is a series of full-featured USB master controller, which integrates USB master controller, peripheral controller, OTG controller, I ² C master-slave controller, SPI master-slave controller, UART controller, SRAM / NAND / nor / 8051 / PCI / PIO interface, and embeds USB storage class, HID class, CDC class, user-defined class master control terminal driver and a / D conversion, D / a conversion, IO conversion and each Firmware driver for interface controller. Users do not need to understand the complex USB protocol and design and develop the complex USB driver software, firmware and hardware circuit. They only need to connect the power supply and user interface, and plug and play can complete the required functions after simple configuration.
1. Integrate USB main control driver of USB storage class, HID class and user-defined class;
2. Integrate fat file system, support user port to read and write non encrypted files of U disk directly;
3. Integrate external application port drivers such as I ² C / SPI / UART / PIO, which can be simply configured and used as required;
4. Support USB peripherals or I ² C / SPI / UART / PIO connection equipment to receive data and directly transfer it to U disk (it can be used for data acquisition);
5. Support display character serial port output and keyboard serial port input;
6. The USB ports of the two chips can be directly connected to realize the bridging and extension of I? C / SPI / UART / PIO interface;
7. It has metal shell package and plastic seal, super anti-interference, ultra-small electromagnetic radiation, low power consumption;
8. Connect the external connector and power supply, plug and play, without programming;
9. Ultra fast speed: (only for module products, which are used in chip or USB equipment production and test instrument equipment) it only takes 30ms (at least tens of seconds for PC embedded system) to power on and send the first USB data package, and complete USB enumeration within 100ms, and complete comprehensive USB peripheral function test within 200ms (at least a few seconds for PC system loading software);
10. Port1: can be configured as host, device or OTG mode;
Port 2,6,7,8: host port;
Port3 / 4: supports I ² C / SPI / UART or GPIO mode;
Port5: SRAM / NAND / nor / 51 mode is supported.
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