13/20

AN1320 APPLICATION NOTE

9.2 Appendix 2 - Vardef.inc

;*****************************************************************************

;

;

MODULE Name:

VarDef.Inc

;

;*****************************************************************************

; *** Default duty cycle value for preheating

DUTY_PRE

.EQU

0BEh

; *** Maximum start-up sequence retrials

MAX_TENT

.EQU

3h

; *** Default Sw PWM Duty Cycle

DEF_SW_DUTY.EQU

0BCh

; *** Gen waiting timer parameters

;

Gen Waiting = 2ms

;

GenTick = 11

-> 11*192us = 2.112 ms

;

GenRep = 1

GenTick

.equ

0Bh

GenRepeat

.equ

01h

; *** Tpre waiting timer parameters

; Tpre [0.5 ./. 2 sec] = 1 sec

;

TpreTick = 256

-> 256*192us = 49.152 ms

;

TpreRep = 21

-> 21*49.152ms = 1.032 s

TpreTick

.equ

0FFh

TpreRepeat

.equ

015h

; *** Tign waiting timer parameters

; Tign [(100 ./. 200)/64 msec] = 150/64 msec = 2.34 ms

;

TignTick = 12

-> 12*192us = 2.3 ms

;

TignRep = 1

TignTick

.equ

0Ch

TignRepeat

.equ

01h

; *** Tad waiting timer parameters

; Tad = c.a 500 ms

;

TadTick = 256

-> 256*192us = 49.152 ms

;

TadRep = 10

-> 10*49.152ms = 491 ms

TadTick

.equ

0FFh

TadRepeat

.equ

0Ah

.ORG

0F00H

; Look-up table for PWM

;

*HW* *SW*

.BYTE

0BCH,0B4H

; Samp = 0

.BYTE

0C1H,0C8H

.BYTE

0C2H,0CBH

.BYTE

0C4H,0CEH

.BYTE

0C6H,0D2H

.BYTE

0CBH,0DBH

.BYTE

0D0H,0E6H

.BYTE

0D5H,0FEH

; Samp = 7