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Section 17 I
C Bus Interface (IIC)
• Direct bus drive
Two pins, SCL and SDA, function as NMOS open-drain outputs when the bus drive function
is selected.
• Operation using the operation reservation adapter
Figure 17.1 shows a block diagram of the I
pin connections to external circuits. I/O pins are NMOS open drain, and 5.8 V or less should be
applied as the power supply voltage.
Rev. 3.00 Jan 25, 2006 page 474 of 872
REJ09B0286-0300
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C bus interface. Figure 17.2 shows an example of I/O
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