MC68HC908QB8 Datasheet, PDF (177/236 Pages) Freescale Semiconductor, Inc – To provide the most up-to-date information, the revision of our documents

Functional Description
TCLK
(IF AVAILABLE)
INTERNAL
BUS CLOCK
TCLK
PRESCALER
PRESCALER SELECT
TSTOP
TRST
PS2
PS1
PS0
16-BIT COUNTER
TCNTH:TCNTL
TOF
INTERRUPT
TOIE
LOGIC
16-BIT COMPARATOR
TMODH:TMODL
CHANNEL 0
16-BIT COMPARATOR
TCH0H:TCH0L
16-BIT LATCH
CHANNEL 1
16-BIT COMPARATOR
TCH1H:TCH1L
16-BIT LATCH
ELS0B ELS0A
CH0F
MS0A
MS0B
ELS1B ELS1A
MS1A
CH1F
TOV0
CH0MAX
CH0IE
TOV1
CH1MAX
CH1IE
PORT
LOGIC
TCH0
INTERRUPT
LOGIC
PORT
LOGIC
TCH1
INTERRUPT
LOGIC
CHANNEL 2
16-BIT COMPARATOR
TCH2H:TCH2L
16-BIT LATCH
CHANNEL 3
16-BIT COMPARATOR
TCH3H:TCH3L
16-BIT LATCH
ELS2B ELS2A
TOV2
CH2MAX
CH2F
MS2A
MS2B
ELS3B ELS3A
CH2IE
TOV3
CH3MAX
CH3F
MS3A
CH3IE
Figure 16-2. TIM Block Diagram
PORT
LOGIC
TCH2
INTERRUPT
LOGIC
PORT
LOGIC
TCH3
INTERRUPT
LOGIC
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
MC68HC908QB8 Data Sheet, Rev. 1
Freescale Semiconductor
177