mc9s12xd256 Freescale Semiconductor, Inc, mc9s12xd256 Datasheet - Page 336

• Manufacturer Part Number: mc9s12xd256
• Description: Hcs12x Microcontrollers
• Manufacturer: Freescale Semiconductor, Inc

Chapter 7 Enhanced Capture Timer (S12ECT16B8CV2)
When PACN1 overflows from 0x00FF to 0x0000, the interrupt flag PBOVF in PBFLG is set.
Full count register access will take place in one clock cycle.
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A separate read/write for high byte and low byte will give a different result
than accessing them as a word.
When clocking pulse and write to the registers occurs simultaneously, write
takes priority and the register is not incremented.
MC9S12XDP512 Data Sheet, Rev. 2.17
NOTE
Freescale Semiconductor