Operation - Fujitsu MB91460 SERIES FR60 User Manual

5. Operation

5.1 Count Operation of the Free-run Timer
(Internal clock)
Peripheral
clock (CLKP)
Count
timing
( ) 7
The count of the
free-run timer
The count of
the free-run
timer
The overflow and the
interrupt request
Clearing the
free-run timer
(1) Reset
(2) Clearing of the free-run timer by reset. (Count value "0000")
(3) Count-up of the free-run timer
(4) Overflow and interrupt of the free-run timer.
(5) Clearing of the free-run timer by overflow. (Count value "0000")
(6) Repeat (3) to (5)
(7) The free-run timer counts up at the count clock (the internal clock divided by n).
(8) The free-run timer counts up at the count clock (the external clock synchronized with the internal clock).
FFFFh
(3) (3)
(2) (2) (5) (5)
0000 h
Reset (1) (1)
Clear by software
(4) (4)
(5) (5)
(2) (2)
( F /2 )
(External clock F /2)
CLKP
CLKP
External pin
(CKI)
Internal clock
(F /2)
CLKP
Count
timing
The count of the
(8)
free-run timer
Time
Clear by software
Chapter 35 Free-Run Timer
5.Operation
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