NEC uPD78P078 User Manual
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CHAPTER 18 SERIAL INTERFACE CHANNEL 0 (
µ
PD78078Y Subseries)
(2) Serial operating mode register 0 (CSIM0)
This register sets serial interface channel 0 serial clock, operating mode, operation enable/stop wake-up
function and displays the address comparator match signal.
CSIM0 is set with a 1-bit or 8-bit memory manipulation instruction.
RESET input sets CSIM0 to 00H.
Caution Do not change the operation mode (3-wire serial I/O/2-wire serial I/O/I
2
C bus) while the
operation of the serial interface channel 0 is enabled. Stop the serial operation before
changing the operation mode.