MC68HC11A1 MOTOROLA [Motorola, Inc], MC68HC11A1 Datasheet - Page 33

• Manufacturer Part Number: MC68HC11A1
• Description: 8-Bit Microcontrollers
• Manufacturer: MOTOROLA [Motorola, Inc]

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