Table of Contents
Advertisement
CHAPTER 14 16-BIT RELOAD TIMER
14.3 Movement of 16-bit Reload Timer
●
Operation of One-shot mode
When the counter value underflows ("0000
this moment, if the underflow request flag bit (UF) is set to "1" and the interrupt request output permission
bit (INTE) is "1", the interrupt request is generated. In addition, the rectangular waveform indicating the
count operation can be output from the TOT0 pin.
Figure 14.3-11 shows Counter operation (event count mode) at single shot mode.
Figure 14.3-11 Counter Operation (Event Count Mode) at Single Shot Mode
Count clock
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:
Use the 4/φ or more "H" width and "L" width of the clock to be input to the TIN0 pin.
338
−1
Reload
0000
FFFF
H
data
Start trigger input wait
FUJITSU MICROELECTRONICS LIMITED
" → "FFFF
"), the counter stops in the state of "FFFF
H
H
−1
Reload
H
data
MB90335 Series
0000
FFFF
H
H
CM44-10137-6E
". At
H
Advertisement
Table of Contents
