Datasheet

Functional Description
MC68HC908QB8 Data Sheet, Rev. 3
Freescale Semiconductor 177
Figure 16-2. TIM Block Diagram
16.3.3 Output Compare
With the output compare function, the TIM can generate a periodic pulse with a programmable polarity,
duration, and frequency. When the counter reaches the value in the registers of an output compare
PRESCALER
PRESCALER SELECT
16-BIT COMPARATOR
PS2 PS1 PS0
16-BIT COMPARATOR
16-BIT LATCH
MS0A
ELS0B ELS0A
TOF
TOIE
16-BIT COMPARATOR
16-BIT LATCH
CHANNEL 0
CHANNEL 1
TRST
TSTOP
TOV0
CH0IE
CH0F
ELS1B ELS1A
TOV1
CH1IE
CH1MAX
CH1F
CH0MAX
MS0B
INTERNAL BUS
MS1A
INTERNAL
BUS CLOCK
INTERRUPT
LOGIC
PORT
LOGIC
INTERRUPT
LOGIC
INTERRUPT
LOGIC
PORT
LOGIC
(IF AVAILABLE)
16-BIT COUNTER
16-BIT COMPARATOR
16-BIT LATCH
MS2A
ELS2B ELS2A
16-BIT COMPARATOR
16-BIT LATCH
CHANNEL 2
CHANNEL 3
TOV2
CH2IE
CH2F
ELS3B ELS3A
TOV3
CH3IE
CH3MAX
CH3F
CH2MAX
MS2B
MS3A
TCH3
TCH2
TCH1
TCH0
TCH3H:TCH3L
TCH2H:TCH2L
TCH1H:TCH1L
TCH0H:TCH0L
TMODH:TMODL
TCNTH:TCNTL
TCLK
TCLK
INTERRUPT
LOGIC
PORT
LOGIC
INTERRUPT
LOGIC
PORT
LOGIC