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在Xilinx CoolRunner系列XPLA3 256个
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2009-05-13
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The I2C bus is a popular serial, two-wire interface used in many systems because of its low
overhead. The two-wire interface minimizes interconnections so ICs have fewer pins, and the
number of traces required on printed circuit boards is reduced. Capable of 100 KHz operation,
each device connected to the bus is software addressable by a unique address with a simple
Master/Slave protocol.
The CoolRunner I2C Controller design contains an asynchronous microcontroller (μC) interface
and provides I2C Master/Slave capability. It is intended to be used with a microcontroller (μC) or
microprocessor (μP) as shown in Figure 1.
overhead. The two-wire interface minimizes interconnections so ICs have fewer pins, and the
number of traces required on printed circuit boards is reduced. Capable of 100 KHz operation,
each device connected to the bus is software addressable by a unique address with a simple
Master/Slave protocol.
The CoolRunner I2C Controller design contains an asynchronous microcontroller (μC) interface
and provides I2C Master/Slave capability. It is intended to be used with a microcontroller (μC) or
microprocessor (μP) as shown in Figure 1.
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