MPXM2102AS datasheet(370/670 Pages) MOTOROLA

370 / 670 page

AN1305

3–224

Motorola Sensor Device Data

www.motorola.com/semiconductors

SOFTWARE SOURCE/ASSEMBLY PROGRAM CODE

#pragma option v ;

rev 1.1 code rewritten to use the MC68HC705B5 instead of the

MC68HC805B6. WLL 6/17/91

THE FOLLOWING ’C’ SOURCE CODE IS WRITTEN FOR THE DEVB–114 DEMONSTRATION

BOARD. IT WAS COMPILED WITH A COMPILER COURTESY OF:

BYTE CRAFT LTD.

421 KING ST.

WATERLOO, ONTARIO

CANADA

N2J 4E4

(519)888–6911

SOME SOURCE CODE CHANGES MAY BE NECESSARY FOR COMPILATION WITH OTHER

COMPILERS.

BILL LUCAS 8/5/90

MOTOROLA, SPS

0800 1700

#pragma memory ROMPROG

[5888]

@ 0x0800 ;

0050 0096

#pragma memory RAMPAGE0 [150]

@ 0x0050 ;

Vector assignments

1FFE

#pragma vector __RESET

@ 0x1ffe ;

1FFC

#pragma vector __SWI

@ 0x1ffc ;

1FFA

#pragma vector IRQ

@ 0x1ffa ;

1FF8

#pragma vector TIMERCAP

@ 0x1ff8 ;

1FF6

#pragma vector TIMERCMP

@ 0x1ff6 ;

1FF4

#pragma vector TIMEROV

@ 0x1ff4 ;

1FF2

#pragma vector SCI

@ 0x1ff2 ;

#pragma has STOP ;

#pragma has WAIT ;

#pragma has MUL ;

0000

#pragma portrw porta

@ 0x00;

0001

#pragma portrw portb

@ 0x01;

0002

#pragma portrw portc

@ 0x02;

0003

#pragma portrw portd

@ 0x03;

/* in

,–

,SS

,SCK

,MOSI,MISO,TxD,RxD */

0004

#pragma portrw ddra

@ 0x04;

/* Data direction, Port A

0005

#pragma portrw ddrb

@ 0x05;

/* Data direction, Port B

0006

#pragma portrw ddrc

@ 0x06;

/* Data direction, Port C (all output)

0007

#pragma portrw eeclk

@ 0x07;

/* eeprom/eclk cntl */

0008

#pragma portrw addata

@ 0x08;

/* a/d data register */

0009

#pragma portrw adstat

@ 0x09;

/* a/d stat/control */

000A

#pragma portrw plma

@ 0x0a;

/* pulse length modulation a */

000B

#pragma portrw plmb

@ 0x0b;

/* pulse length modulation b */

000C

#pragma portrw misc

@ 0x0c;

/* miscellaneous register */

000D

#pragma portrw scibaud @ 0x0d;

/* sci baud rate register */

000E

#pragma portrw scicntl1 @ 0x0e; /* sci control 1

000F

#pragma portrw scicntl2 @ 0x0f; /* sci control 2

0010

#pragma portrw scistat @ 0x10;

/* sci status reg */

Freescale Semiconductor, Inc.

For More Information On This Product,

Go to: www.freescale.com

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