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Dear all: Pardon me, it is not well. 1.Use ARM U23 & I2C clock. 2.SGK is set. 3.Like topic:When power is on or the soft is run then How can i let the SCL or SDA set to high?
Thank you very much.
Like what topic? You haven't specified any topic. Your summary does not give a summary of your problem.
And your message doesn't contain a description of your problem.
You haven't even mentioned what processor you are using.
But if you do implement I2C - most ARM processors have sample code for I2C available somewhere out there on the net - then the processor will (if it supports I2C in hardware) handle the I2C signals.
Note that depending on processor, you may need to add external pull-up resistors.