Halts the clock supplied to the serial interface IICA.
Remark
Calling this API function changes the serial interface IICA to reset
status.
For this reason, writes to the control registers (e.g. IICA control
register n: IICCTLn) after this API function is called are
ignored.
[Syntax]
void R_IICAn_Set_PowerOff ( void );
Remark n is the channel number.
[Argument(s)]
None.
[Return value]
None.