MC68HCP11 Datasheet, PDF (33/45 Pages) Motorola, Inc – 8-Bit Microcontroller

MCU
E CLK
PRESCALER
DIVIDE BY
1, 4, 8, OR 16
PR1 PR0
16-BIT TIMER BUS
TCNT (HI) TCNT (LO)
16-BIT FREE RUNNING
COUNTER
TOI
TOF
TAPS FOR RTI,
COP WATCHDOG, AND
PULSE ACCUMULATOR
16-BIT COMPARATOR =
TOC1 (HI) TOC1 (LO)
OC1F
16-BIT COMPARATOR =
TOC2 (HI) TOC2 (LO)
OC2F
16-BIT COMPARATOR =
TOC3 (HI) TOC3 (LO)
OC3F
16-BIT COMPARATOR =
TOC4 (HI) TOC4 (LO)
OC4F
16-BIT COMPARATOR =
TI4/O5 (HI) TI4/O5 (LO)
16-BIT LATCH CLK
16-BIT LATCH CLK
TIC1 (HI) TIC1 (LO)
16-BIT LATCH CLK
TIC2 (HI) TIC2 (LO)
16-BIT LATCH CLK
TIC3 (HI) TIC3 (LO)
OC5
I4/O5F
IC4
I4/O5
IC1F
IC2F
IC3F
TFLG 1
STATUS
FLAGS
OC1I
FOC1
OC2I
FOC2
OC3I
FOC3
OC4I
FOC4
I4/O5I
FOC5
CFORC
FORCE OUTPUT
COMPARE
IC1I
IC2I
IC3I
TMSK 1
INTERRUPT
ENABLES
9
INTERRUPT REQUESTS
(FURTHER QUALIFIED BY
I BIT IN CCR)
TO PULSE
ACCUMULATOR
8
PIN
FUNCTIONS
PA7/OC1/
BIT 7
PAI
7
BIT 6
PA6/OC2/
OC1
6
BIT 5
PA5/OC3/
OC1
5
BIT 4
PA4/OC4/
OC1
4
BIT 3
PA3/OC5/
IC4/OC1
3
BIT 2
2
BIT 1
1
BIT 0
PA2/IC1
PA1/IC2
PA0/IC3
PORT A
PIN CONTROL
CAPTURE COMPARE BLOCK
Figure 11 Main Timer
NOTE: Port A pin actions are controlled by OC1M, OC1D, PACTL, TCTL1, and TCTL2 registers.
MC68HC11A8
MC68HC11A8TS/D
MOTOROLA
33