NEC mPD789426 Series, User Manual

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CHAPTER 7 8-BIT TIMER
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User’s Manual U15075EJ1V0UM00
Cautions 1. In cascade connection mode, the output signal of timer 60 is forcibly selected as the count
clock.
2. When operating TMC50, be sure to perform settings in the following order.
<1> Stop TM50 count operation.
<2> Set the operation mode and the count clock.
<3> Start count operation.
Remarks 1. f
X
: Main system clock oscillation frequency (ceramic/crystal oscillation)
2. f
CC
: Main system clock oscillation frequency (RC oscillation)
(2) 8-bit timer mode control register 60 (TMC60)
8-bit timer mode control register 60 (TMC60) is used to control the timer 60 count clock setting and the
operation mode setting.
TMC60 is set with a 1-bit or 8-bit memory manipulation instruction.
RESET input sets TMC60 to 00H.