Chapter 11 Enhanced Capture Timer (S12MC9S12XDP51216B8CV2)
MC9S12XDP512 Data Sheet, Rev. 2.11
554 Freescale Semiconductor
Figure 11-70. 16-Bit Pulse Accumulators Block DiagramFigure 11-71. Block Diagram for Port 7 with Output Compare/Pulse Accumulator A
Edge Detector P7
P0
Bus Clock
Divide by 64
Clock Select
CLK0
CLK1 4:1 MUX
TIMCLK (Timer Clock)
PACLK
PACLK / 256
PACLK / 65536
Prescaled Clock
(PCLK)
Interrupt
MUX
(PAMOD)
Edge Detector
PACA
Delay Counter
Interrupt
PACB
8-Bit PAC3
(PACN3)
8-Bit PAC2
(PACN2)
8-Bit PAC1
(PACN1)
8-Bit PAC0
(PACN0)
Px Edge Delay
16-Bit Main Timer
TCx Input
TCxH I.C. BUFEN LATQ TFMOD
Set CxF
Detector Counter
Capture Register
Holding Register
Interrupt