Owner's manual

Operational Amplifier Version 1.0

Chapter 9 Sample Code

9 Sample Code

main.c

#include "mb95430.h"

#include "TypeDef.h"

/*---------------------------------------------------------------------------*/

/* Amplifier Setting

/*---------------------------------------------------------------------------*/

void AmpOpenLoop()

{

DDR6_P60=0;

DDR6_P61=0;

DDR6_P62=1;

OPCR=0x60;//Amplifier gain is R3/R1

}

void AmpCloseLoop()

{

DDR6_P60=0;

DDR6_P61=0;

DDR6_P62=1;

OPCR=0x40;//Amplifier gain is 20V/V

}

void main(void)

{

__DI();

__set_il(3);

InitIrqLevels();

WDTH =0xA5;

WDTL =0x96;

WATR =0xEE;

SYCC =0xF0;//Main Clock

SYCC2=0xF4;//Main Clock

SYSC =0xBC;//BUZZ(P01)

SYSC2 =0x02;//PPG(P73),Disable I2C

while(!STBC_MRDY);

__EI();

AmpOpenLoop();

AmpCloseLoop();

}

VECTORS.C

#include "mb95430.h"

void InitIrqLevels(void)

{

MCU-AN-500080-E-10 - Page 16