S912XEQ384J3MALR Freescale Semiconductor, S912XEQ384J3MALR Datasheet - Page 675

• Manufacturer Part Number: S912XEQ384J3MALR
• Description: S912XEQ Series 16 Bit 50 Mhz 384 KB Flash 24 KB Ram Microcontroller - LQFP-112
• Manufacturer: Freescale Semiconductor

;******************** Main Program *************************************************************
MAIN:
;******************** Channel 0 Interupt Routine ***************************************************
CH0_ISR:
Freescale Semiconductor
MOVB
MOVB
CLI
BRA *
LDAA
MOVB
RTI
#$01,PITINTE
#$80,PITCFLMT
PITTF
#$01,PITTF
MC9S12XE-Family Reference Manual Rev. 1.24
; enable interupt channel 0
; enable PIT
; clear Interupt disable Mask bit
; loop until interrupt
; 8 bit read of PIT time out flags
; clear PIT channel 0 time out flag
; return to MAIN
Chapter 17 Periodic Interrupt Timer (S12PIT24B8CV2)
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