Intel 8XC196MD User Manual

9-22

ph3:

dsw 1

;P6.4,5 config

eo:

dsw 1

;0=disable output, 1=enable output

dp:

dsw 1

;0=enable protection, 1=disable

it:

dsw 1

;0=falling edge trig, 1=rising edge

es:

dsw 1

;0=edge, 1=sample

ec:

dsw 1

;0=stop cntr, 1=start

dead:

dsw 1

;10-bit dead time

reload:

dsw 1

comp1:

dsw 1

comp2:

dsw 1

comp3:

dsw 1

temp:

dsw 1

temp1:

dsw 1

temp2:

dsw 1

;
;
;**************************************************
; first, initialize the values for these variables:
;**************************************************
;
cseg at 0e000h

;demo board RAM

;

di
dpts
ld

sp,#200h

ld

mode,#0000h

;mode0

ld

ec,#0001h

;enable cntr

ld

dead,#0010h

;1.6 us

ld

op0,#0001h

;active high

ld

op1,#0001h

;active high

ld

sync,#0001h

;synchronized WG_OUTPUT load

ld

pe7,#00000h

;P6.7 in I/O mode

ld

pe6,#00000h

;P6.6 in I/O mode

ld

p7,#00000h

;P6.7 I/O = 0

ld

p6,#00000h

;P6.6 I/O = 0

ld

ph1,#0007h

;wfg both outputs

ld

ph2,#0007h

;wfg both outputs

ld

ph3,#0007h

;wfg both outputs

ld

eo,#0001h

;enable outputs

ld

dp,#0001h

;disable protection

ld

it,#0001h

;rising/high edge trigger

ld

es,#0001h

;24-state trigger

ld

reload,#1000h

;1.024 ms mode0

ld

comp1,#0100h

;64 us

ld

comp2,#0200h

;128 us

ld

comp3,#0400h

;256 us

;
;************************
; now initialize the WFG
;************************
;
;set up interrupts
;

ldb

temp,#00010000b

;

stb

temp,PI_MASK[0]

;unmask WG interrupt

ldb

temp,#00100000b

;

ldb

int_mask1,temp

;

;