Bootloading BelaSigna® 300 Using the I2C Interface APPLICATION NOTE
■This application note describes how to bootload BelaSigna 300 through its I2C interface when it does not have an EEPROM attached (i.e. “bootstrapping”). This situation can occur when a Bluetooth®or a baseband chip,or any I2C-master capable chipset, is connected to BelaSigna 300 through the I2C port
■Since no EEPROM is attached to BelaSigna 300, the external device must have dedicated memory space in its non-volatile memory to store the BelaSigna 300 application.It can either be internal Flash, as is the case with some Bluetooth devices or external Flash / NAND Flash memories in Bluetooth or mobile phone applications.
■This application note will provide some background information which is essential in understanding the bootloading process on BelaSigna 300 using the I2Cinterface. These sections deal with configuring the transfer mode for I2C, writing to the memory and verifying the CRC to make sure that the download was successful.
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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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April, 2010 |
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Rev. 1 |
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AND8400/D |
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183 KB |
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