MC68HC11KW1 Datasheet, PDF (169/238 Pages) Motorola, Inc – High-density complementary metal oxide semiconductor HCMOS) microcontroller unit

PJ3/
ECIN
Prescaler
Clock
TCNT2 (hi) TCNT2 (lo)
TO2I
MCU
E clock
÷ 1, 4, 8, 16
PR2[B:A]
select
ECEA, ECEB
16-bit
free running counter
TO2F
&
3
Note ^†
16-bit timer bus
16-bit comparator ^EQ
T2OC1 (hi) T2OC1 (lo)
OC1F
16-bit comparator ^EQ
T2OC2 (hi) T2OC2 (lo)
OC2F
16-bit comparator ^EQ
T2OC3 (hi) T2OC3 (lo)
OC3F
16-bit comparator ^EQ
T2C4 (hi) T2C4 (lo)
16-bit latch ^CLK
OC4
C4F
IC1
I1/O4
T2FLG
status
flags
F23FRC
Force O/P
OC1I
compare
&
2
FT2C1
+
Bit 7
PJ4/
OC1
OC2I
&
2
FT2C2
+
Bit 6
PJ5/
OC2
OC3I
&
2
FT2C3
C4I
+
Bit 5
PJ6/
OC3
&
1
+
FT2C4
T2MSK
interrupt
enables
PJ7/
Bit 4
C4
Port J
Pins/
functions
9
pin
control^‡
† Interrupt requests 1, 2 & 3 (these are further qualified by the I-bit in the CCR).
‡ Port J pin actions are controlled by the TCTL3 and TCTL4 registers.
Figure 9-3 Timer 2 capture/compare block diagram
MC68HC11KW1
TIMING SYSTEM
9-17