Fujitsu F2MC-16LX Hardware Manual page 414

CHAPTER 16 16-BIT RELOAD TIMER
Figure 16.3-5 Count Operation in the Reload Mode (external Trigger Operation)
Count clock
Counter
Data load
signal
UF bit
CNTE bit
TIN pin
TOT pin
T: Machine cycle
Note:
Input a trigger pulse of which width is 2/φ or more to the TIN pin.
Operation of gate input
When "1" is set to the count permission bit (CNTE) of timer control status register (TMCSR) and "1" is set
to the software trigger bit (TRG), the count operation is started.
While a valid level ("L" or "H" can be set) of gate input, which is, set in the operation mode-setting bit
(MOD2, MOD1, and MOD0) is being input to the TIN pin, the count operation is performed.
Figure 16.3-6 Count Operation in the Reload Mode (Soft Trigger Operation)
Count clock
Counter
Data load
signal
UF bit
CNTE bit
TRG bit
T*
TIN pin
TOT pin
T: Machine cycle
*: It takes 1T time from trigger input to loading of reload data.
Note:
Input a trigger pulse of which width is 2/φ or more to the TIN pin.
398
−1
Reload Reload
0000
H
data data
2T to2.5T*
*: It takes 1T time from trigger input to loading of reload data.
−1 −1
Reload data
−1 −1
Reload
0000
H
data
−1 −1
Reload
0000
H
data
−1
Reload
0000
H
data
−1