MC68HC11KW1 Datasheet, PDF (177/238 Pages) Motorola, Inc – High-density complementary metal oxide semiconductor HCMOS) microcontroller unit

PK3/
ECIN
Timer 1 clock
rate
Prescaler
÷ 1, 4, 16, or
MCU
use Timer 1 clock
Clock
select
ECEA, ECEB
TCNT3 (hi) TCNT3 (lo)
16-bit
free running counter
TO3I
TO3F
E clock
P3R[B:A]
&
2
Note ^†
16-bit timer bus
16-bit comparator ^EQ
T3OC1 (hi) T3OC1 (lo)
OC1F
16-bit comparator ^EQ
T3OC2 (hi) T3OC2 (lo)
OC2F
16-bit comparator ^EQ
T3OC3 (hi) T3OC3 (lo)
OC3F
16-bit comparator ^EQ
T3C4 (hi) T3C4 (lo)
16-bit latch ^CLK
OC4
C4F
IC1
I1/O4
T3FLG
status
flags
F23FRC
Force O/P
OC1I
compare
FT3C1
OC2I
FT3C2
OC3I
FT3C3
C4I
&
1
+
Bit 7
&
1
+
Bit 6
&
1
+
Bit 5
&
1
PK4/
OC1
PK5/
OC2
PK6/
OC3
+
FT3C4
T3MSK
interrupt
enables
Bit 4
PK7/
C4
Pins/
9
Port K functions
pin
control^‡
† Interrupt requests 1 and 2 (these are further qualified by the I-bit in the CCR).
‡ Port K pin actions are controlled by the TCTL5 and TCTL6 registers.
Figure 9-4 Timer 3 capture/compare block diagram
MC68HC11KW1
TIMING SYSTEM
9-25