Freescale Semiconductor ColdFire MCF52210 - Manual (Page 337)

Programmable Interrupt Timers (PIT0–PIT1)
MCF52211 ColdFire® Integrated Microcontroller Reference Manual, Rev. 2
Freescale Semiconductor 20-7
The PIF flag is set when the PIT counter reaches 0x0000. The PIE bit enables the PIF flag to generate
interrupt requests. Clear PIF by writing a 1 to it or by writing to the PMR.