
CHAPTER 6 APPLICATIONS OF 8-BIT TIMER/EVENT COUNTER
The 8-bit timer/event counter of the 78K/0 series has three functions: interval timer, external event counter, and
square wave output. Two channels of 8-bit timers/event counters are provided and these timers/event counters can
be used as a 16-bit timer/event counter when connected in cascade.
The 8-bit timers/event counters are set by the following registers:
Timer clock select register 1 (TCL1)
8-bit timer mode control register (TMC1)
8-bit timer output control register (TOC1)
Port mode register 3 (PM3)
Port 3 (P3)
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