Fujitsu MB90480 Series Hardware Manual page 556

CHAPTER 25 PWC TIMER (ONLY MB90485 SERIES)
Table 25.5-2 shows the settings for selection of the operation mode/measurement mode.
Table 25.5-2 Settings of operation mode/measurement mode
Timer
Pulse width Rising edge or falling edge to rising
measurement edge or falling edge
Measurement between all edges
Divide interval measurement
(Divide-by 1 to 256)
Rising edge to rising edge
Interval measurement between
rising edges
Rising edge to falling edge
"H" level pulse width measurement
Falling edge to rising edge
L- pulse width measurement
Falling edge to falling edge
Interval measurement between
falling edges
The one-shot timer is selected initially after reset.
Note:
Select the operation mode always before the start of the timer.
534
Operation mode
One-shot timer
-
Reload timer
One-shot measurement:
buffer disabled
Repeated measurement:
buffer enabled
One-shot measurement:
buffer disabled
Repeated measurement:
buffer enabled
One-shot measurement:
buffer disabled
Repeated measurement:
buffer enabled
One-shot measurement:
buffer disabled
Repeated measurement:
buffer enabled
One-shot measurement:
buffer disabled
Repeated measurement:
buffer enabled
One-shot measurement:
buffer disabled
Repeated measurement:
buffer enabled
S/C MOD2 MOD1
0 0 0
1 0 0
0 0 1
1 0 1
0 0 1
1 0 1
0 1 0
1 1 0
0 1 0
1 1 0
0 1 1
1 1 1
0 1 1
1 1 1
MOD0
0
0
0
0
1
1
0
0
1
1
0
0
1
1