Epson RX8111CE, Applications Manual, Page: 31 / 67

RX8111CE
Page
−
27 ETM61E-01
14.2.3. Wake-up timer interrupt interval
The combination of the source clock selection and wake-up timer value interruption interval, as shown in the following table.
W
hen counter setting is all 0, counter doesn’t work.
Table 24 Wake-up timer interrupt cycles
Timer Counter
setting
1

16777216
Source clock
4096 Hz
TSEL1, 0 = 0, 0
64 Hz
TSEL1, 0 = 0, 1
1 Hz
TSEL1, 0 = 1, 0
1/60 Hz
TSEL1, 0 = 1, 0
0
− − − −
1 244.14

s 15.625 ms 1 s 1 min
•
•
•
•
•
•
•
•
•
•
410 100.10 ms 6.406 s 410 s 410 min
•
•
•
•
•
•
•
•
•
•
3840 0.9375 s 60.000 s 3840 s 3840 min
•
•
•
•
•
•
•
•
•
•
4096 1.0000 s 64.000 s 4096 s 4096 min
•
•
•
•
•
•
•
•
•
•
16777216 1.13 h 72.81 h 4660 h 31.9 Year
14.2.4. Diagram of wake-up timer interrupt function
Figure 20 Wake-up timer block diagram
TMPIN bit
TIE bit
F
O
U
T
FOUT
/INT
TF (
“0” Clear )
24 bit
counter
TSEL[1:0]
TE
Source
clock
4096 Hz
64 Hz
1 Hz
1/60 Hz
TF Flag
Timer
Control
Circuit
/tRTN