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