FT260 HID over I²C Application Note
●Overview
■Human Interface Device (HID) is one of the most popular USB device classes. This protocol was developed to simplify the process of connecting accessories such as a mouse, keyboard or touchpad to the PC. HID was originally developed to run on USB or Bluetooth. For Windows 8, Microsoft created a new type of device called “HID-over-I²C”, which allows the device to communicate using the HID protocol over an Inter-Integrated Circuit (I²C) bus. The new “HID-over-I²C” devices are only supported natively by Microsoft Windows 8 or above.
■FTDI introduces a new USB bridge chip, the FT260, which is able to connect a “HID-over-I²C” device via the I²C bus and uses FT260’s EEPROM or Efuse for configuration.
■FT260 helps to communicate USB HID requests from a PC to the device, and allows it to perform as a normal USB HID device without any additional coding. With FT260, an I²C slave that is compliant with the HID-over- I²C protocol can communicate directly with the USB HID class driver through the USB connection.
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Application note & Design Guide |
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Please see the document for details |
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English Chinese Chinese and English Japanese |
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2018-05-15 |
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Version 1.0 |
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AN_399;FT_001293 |
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1012 KB |
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