Fujitsu MB90895 Series Hardware Manual page 284

CHAPTER 8 16-bit reload timer
Figure 8.5-4 Count Operation in Software Trigger Mode (One-shot Mode)
Count clock
Counter
Data load signal
UF bit
CNTE bit
TRG bit
TOT pin
T : Machine cycle
: It takes 1T time from trigger input to loading data of reload register.
Figure 8.5-5 Count Operation in Software Trigger Mode (Reload Mode)
Count clock
Counter
Data load signal
UF bit
CNTE bit
TRG bit
TOT pin
T : Machine cycle
: It takes 1T time from trigger input to loading data of reload register.
266
Reload
-1 0000 FFFF
H
data
T
Activating trigger input waite
Reload
Reload
-1 0000
H
data
data
T
Reload
-1 0000
H
data
Reload
-1 0000 -1
H
data
FFFF
H H
Reload
0000 -1
H
data