MC68HC11F1 Datasheet, PDF (58/68 Pages) Motorola, Inc – Technical Summary 8-Bit Microcontroller

E CLOCK
PRESCALER
Divide by
1, 4, 8 or 16
PR1 PR0
TCNT (HI) TCNT (LO)
TOI
16-BIT FREE RUNNING
COUNTER
TOF
16-BIT TIMER BUS
16-BIT COMPARATOR =
TOC1 (HI) TOC1 (LO)
16-BIT COMPARATOR =
TOC2 (HI) TOC2 (LO)
16-BIT COMPARATOR =
TOC3 (HI) TOC3 (LO)
16-BIT COMPARATOR =
TOC4 (HI) TOC4 (LO)
OC1F
OC2F
OC3F
OC4F
16-BIT COMPARATOR =
TI4O5 (HI) TI4O5 (LO)
16-BIT LATCH CLK
OC5
I4O5F
IC4
I4/O5
16-BIT LATCH CLK
IC1F
TIC1 (HI) TIC1 (LO)
OC1I
FOC1
OC2I
FOC2
OC3I
FOC3
OC4I
FOC4
I4O5I
FOC5
CFORC
IC1I
IC2I
16-BIT LATCH CLK
IC2F
TIC2 (HI) TIC2 (LO)
IC3I
16-BIT LATCH CLK
TIC3 (HI) TIC3 (LO)
IC3F
TFLG 1
Status
Flags
TMSK 1
Interrupt
Enables
NOTE: Registers that control port A action include DDRA, OC1M, OC1D, PACTL, TCTL1 and TCTL2.
9
Interrupt
Requests
8
7
To Pulse
Accumulator
PORT A
Pins
Bit 7
PA7
OC1
Bit 6
PA6
OC2/OC1
6
Bit 5
PA5
OC3/OC1
5
Bit 4
PA4
OC4/OC1
4
Bit 3
PA3
IC4/OC5
OC1
3
Bit 2
2
Bit 1
1
Bit 0
Port A
Pin
Control
(Note 1)
PA2
IC1
PA1
IC2
PA0
IC3
IC/OC BLOCK
Figure 17 Main Timer
MOTOROLA
58
MC68HC11F1/FC0
MC68HC11FTS/D