NEC PD78058FY(A) - Manual (Page 180)

180
CHAPTER 8 16-BIT TIMER/EVENT COUNTER
Remarks 1. f
XX
: Main system clock frequency (f
X
or f
X
/2)
2. f
X
: Main system clock oscillation frequency
3. f XT : Subsystem clock oscillation frequency
4. TI00 : 16-bit timer/event counter input pin
5. TM0 : 16-bit timer register
6. MCS : Bit 0 of oscillation mode selection register (OSMS)
7. Figures in parentheses apply to operation with f
X
= 5.0 MHz of f
XT
= 32.768 kHz.
(2) 16-bit timer mode control register (TMC0)
This register sets the 16-bit timer operating mode, the 16-bit timer register clear mode and output timing, and
detects an overflow.
TMC0 is set with a 1-bit or 8-bit memory manipulation instruction.
RESET input sets TMC0 value to 00H.
Caution The 16-bit timer register starts operation at the moment a value other than 0, 0, 0 (operation
stop mode) is set in TMC01 to TMC03, respectively. Set 0, 0, 0 in TMC01 to TMC03 to stop
the operation.