mc9s12xf512 Freescale Semiconductor, Inc, mc9s12xf512 Datasheet - Page 1032

• Manufacturer Part Number: mc9s12xf512
• Description: S12x Microcontrollers 16-bit Automotive Microcontroller
• Manufacturer: Freescale Semiconductor, Inc

Chapter 22 Enhanced Programmable Interrupt Timer (S12XEPIT24B8CV1)
;******************** Main Program *************************************************************
MAIN:
;******************** Channel 0 Interrupt Routine ***************************************************
CH0_ISR:
1032
MOVB
MOVB
CLI
BRA *
LDAA
MOVB
RTI
#$01,PITINTE
#$80,PITCFLMT
PITTF
#$01,PITTF
MC9S12XF - Family Reference Manual, Rev.1.19
; enable interrupt channel 0
; enable PIT
; clear Interrupt disable Mask bit
; loop until interrupt
; 8 bit read of PIT time out flags
; clear PIT channel 0 time out flag
; return to MAIN
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