Program Example In Event Counter Mode - Fujitsu F2MCTM-16LX Hardware Manual

CHAPTER 14 16-BIT RELOAD TIMER
;---------Interrupt program-----------------------------------
WARI:
CODE
;---------Vector setting----------------------------------------
VECT
VECT

Program Example in Event Counter Mode

Processing specification
• An interrupt is generated when rising edges of the pulse input to the external event input pin are counted
10000 times by the 16-bit reload timer 2.
• Operation is performed in the one-shot mode.
• The rising edge is selected for the external trigger input.
2
• EI OS is not used.
Coding example
ICR04
TMCSR2 EQU
TMR2
TMRLR2 EQU
DDR8
UF2
CNTE2
TRG2
;---------Main program-----------------------------------
CODE
;
264
BRA LOOP
CLR I:UF2
:
:
Processing by user
:
:
RETI
ENDS
CSEG ABS=0FFH
ORG 00FFB0H
DSL WARI
ORG 00FFDCH
DSL START
DB 00H
ENDS
END START
EQU 0000B4H
000064H
EQU 00794CH
00794CH
EQU 000018H
EQU TMCSR2:2
EQU TMCSR2:1
EQU TMCSR2:0
CSEG
:
;
;Interrupt request flag cleared
;Return from interrupt
;Set vector to interrupt #19(13
;Reset vector set
;Set to single-chip mode
;Interrupt control register for 16-bit
;reload timer
;Timer control status register
;16-bit timer register
;16-bit reload register
;Port data register
;Interrupt request flag bit
;Counter operation enable bit
;Software trigger bit
;Stack pointer (SP), already initialized
;Used at software starting mode(ACS1 :
STS1, 0 = 00 )
B
)
H