EFM32 I2C Master and Slave Operation
■The I2C allows connection of up to 128 individually addressable devices using only two bi-directional lines: clock (SCL) and data (SDA). The only additional hardware required is a pull-up resistor for each of the lines. Each of the connected devices can be either a master or slave device. Only master devices are allowed to drive the clock line.The I2C protocol and the EFM32 I2C module feature several mechanisms for handling bus conflicts and contention. A possible I2C connection scheme is illustrated in Figure 1.1 (p. 2)
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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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2013-09-16 |
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Rev1.06 |
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AN0011 |
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500 KB |
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