MC9S12Q128_10 Datasheet, PDF (450/644 Pages) Freescale Semiconductor, Inc – HCS12 Microcontrollers

Chapter 15 Timer Module (TIM16B6C)
15.4 Functional Description
This section provides a complete functional description of the timer TIM16B6C block. Please refer to the
detailed timer block diagram in Figure 15-28 as necessary.
Bus Clock
PR[2:1:0]
PRESCALER
PACLK
PACLK/256
PACLK/65536
CLK[1:0]
MUX
Channel 7 output
compare
TCRE
TCNT(hi):TCNT(lo)
16-BIT COUNTER
CHANNEL 2
16-BIT COMPARATOR
TC2
EDG0A EDG0B
CHANNEL 3
16-BIT COMPARATOR
TC3
EDG1A EDG1B
CHANNEL4
CLEAR COUNTER
TE
CxI
CxF
TOF
TOI
INTERRUPT
LOGIC
TOF
C2F
EDGE
DETECT
OM:OL2
TOV2
C2F
IOC2
CH. 2CAPTURE
IOC2 PIN
LOGIC
CH. 2COMPARE
IOC2 PIN
C3F
EDGE
DETECT
OM:OL2
TOV2
C3F
IOC3
CH. 3 CAPTURE
IOC3 PIN
LOGIC
IOC3 PIN
CH. 3 COMPARE
CHANNEL7
16-BIT COMPARATOR
TC7
EDG7A
EDG7B
C7F
EDGE
DETECT
OM:O73
TOV7
C7F
IOC7
PAOVF
PACNT(hi):PACNT(lo)
PACLK/65536
PACLK/256
16-BIT COUNTER
PACLK
INTERRUPT
REQUEST
INTERRUPT
LOGIC
PAOVI
PAOVF
PAI
PAIF
PEDGE
PAE
TEN
DIVIDE-BY-64
CH.7 CAPTURE
IOC7 PIN ^{PA INPUT}
LOGIC _{CH. 7 COMPARE} ^{IOC7 PIN}
EDGE
DETECT
PAIF
Bus Clock
PAOVF
PAOVI
Figure 15-28. Detailed Timer Block Diagram
450
MC9S12Q128
Freescale Semiconductor
Rev 1.10