S912XHZ512F1VAG Datasheet, PDF (715/978 Pages) Freescale Semiconductor, Inc – Covers MC9S12XHZ384, MC9S12XHZ256

Chapter 19 Enhanced Capture Timer (ECT16B8CV3)
Load Holding Register and Reset Pulse Accumulator
8, 12,16, ..., 1024
0
EDG0
8-Bit PAC0 (PACN0)
P0
Edge Detector
Delay Counter
PA0H Holding
Register
Interrupt
0
8, 12,16, ..., 1024
EDG1
8-Bit PAC1 (PACN1)
P1
Edge Detector
Delay Counter
PA1H Holding
Register
8, 12,16, ..., 1024
0
EDG2
8-Bit PAC2 (PACN2)
P2
Edge Detector
Delay Counter
PA2H Holding
Register
Interrupt
8, 12,16, ..., 1024
EDG3
0
8-Bit PAC3 (PACN3)
P3
Edge Detector
Delay Counter
PA3H Holding
Register
Figure 19-71. 8-Bit Pulse Accumulators Block Diagram
MC9S12XHZ512 Data Sheet Rev. 1.06
Freescale Semiconductor
715