Freescale Semiconductor, Inc.
PRESCALER–DIVIDE BY
1, 4, 8, OR 16
TCNT (HI)
TCNT (LO)
TOI
TO
9
MCU
ECLK
16-BIT FREE-RUNNING
COUNTER
PULSE
TOF
ACCUMULATOR
PR1
PR0
TAPS FOR RTI, COP
WATCHDOG AND
PULSE ACCUMULATOR
INTERRUPT REQUESTS
(FURTHER QUALIFIED
BY I-BIT IN CCR)
16-BIT TIMER BUS
TMSK1
OC1I
PIN
FUNCTIONS
8
TFLG1
OC1F
PA7/
OC1/
PAI
CFORC
=
16-BIT COMPARATOR
BIT-7
TOC1 (HI)
TOC1 (LO)
FOC1
FOC2
FOC3
FOC4
FOC5
OC2I
OC3I
OC4I
I4/O5I
7
PA6/
OC2/
OC1
=
16-BIT COMPARATOR
TOC2 (HI)
OC2F
OC3F
OC4F
BIT-6
TOC2 (LO)
6
PA5/
OC3/
OC1
=
16-BIT COMPARATOR
TOC3 (HI)
BIT-5
TOC3 (LO)
5
=
16-BIT COMPARATOR
TOC4 (HI)
PA4/
OC4/
OC1
TOC4 (LO)
BIT-4
4
=
OC5
I4/O5F
16-BIT COMPARATOR
PA3/
OC5/
IC4/
TI4/O5 (HI) TI4/O5 (LO)
16-BIT LATCH CLK
BIT-3
OC1
IC4
FORCE
OUTPUT
COMPARE
I4/O5
IC1I
IC2I
IC3I
PA2/
IC1
3
2
1
BIT-2
BIT-1
BIT-0
16-BIT LATCH CLK
IC1F
IC2F
IC3F
TIC1 (HI)
TIC1 (LO)
PA1/
IC2
16-BIT LATCH CLK
TIC2 (HI)
TIC2 (LO)
PA0/
IC3
16-BIT LATCH CLK
TIC3 (HI)
TIC3 (LO)
PORT A
PIN
CONTROL
STATUS
FLAGS
INTERRUPT
ENABLES
Figure 9-2 Capture/Compare Block Diagram
TIMING SYSTEM
MC68HC11F1
9-4
TECHNICAL DATA
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