Fujitsu MB90335 Series Hardware Manual page 357

CHAPTER 14 16-BIT RELOAD TIMER
14.3 Movement of 16-bit Reload Timer
●
Operation of gate input
While the valid level ("H" level or "L" level can be selected) is being input to the TIN0 pin, the count
operation is performed. Figure 14.3-9 shows the gate input operation in the one-shot mode.
Figure 14.3-9 Count Operation in One-shot Mode (Software Trigger Gate Input Operation)
Count clock
Reload
Counter
Data load
signal
UF bit
CNTE bit
TRG bit
T*
TOT0 pin
T: Machine cycle
*: It takes 1T time from trigger input to loading of reload data.
Note:
Input a gate input of which pulse width is 2/φ or more to the TIN0 pin.
336
−1
0000 FFFF
H
data
Start trigger input wait
FUJITSU MICROELECTRONICS LIMITED
−1
Reload
H
data
MB90335 Series
0000 FFFF
H H
CM44-10137-6E