Information

16.3.1.2 Normal interrupt
The MCM's normal interrupt is generated if any of the following are true:
MCM_ISCR[ETBI] is set, which is caused by
The ETB counter is enabled (MCM_ETBCC[CNTEN] = 1),
The ETB count expires, and
The response to counter expiration is a normal interrupt (MCM_ETBCC[RSPT]
= 01)
Functional Description
K10 Sub-Family Reference Manual, Rev. 6, Nov 2011
346 Freescale Semiconductor, Inc.