Fujitsu MB91460 SERIES FR60 User Manual page 320

Chapter 23 Sub Oscillation Stabilisation Timer
5.Operation
5.2 Interval Interrupt (Clock Interrupt)
Clock timer
counting
4000h
2000h
0000h
13
(1)
2 (Bit12)
WCL
WIF
WIE
(1) Selects the interval time. (WS[1:0]) (In this example, 2
(2) Sets the timer clear (WCL="0"), flag clear (WIF="0") and interrupt request enable (WIE="1") by the software.
(3) The timer counts up with the subclock (Source oscillation).
(4) Makes the interval time be the selected time. (Detects the fall of 2
(5) If the flag (WIF) is set to "1", interval interrupt request (Clock interrupt request) is generated.
(6) Processing caused by an interrupt (Software): The interrupt request clear (WIF="0")
(Arbitrary processing such as clock counting)
(7) Repeats Items (3) to (6).
304
(3)
(2)
(4)
(2)
(2)
(2)
(3)
(4)
(6)
(5)
13
/F is selected.)
CL-SUB
13
.)
(4)
Time
(4)
(6)
(5)