2 amplifier routine – FUJITSU MB95F430 User Manual
Page 12

Operational Amplifier Version 1.0
Chapter 5 Amplifier Driver
5.2.2 Amplifier Routine
void AmpOpenLoop()
Return
:
none.
Parameters :
none.
Description :
open-loop
setting.
Example
:
AmpOpenLoop();
void
AmpOpenLoop()
{
DDR6_P60=0;
DDR6_P61=0;
DDR6_P62=1;
OPCR=0x60;
//Amplifier gain is R3/R1
}
void AmpCloseLoop()
Return
:
none.
Parameters :
none.
Description :
close-loop
setting.
Example
:
AmpCloseLoop();
void
AmpCloseLoop()
{
DDR6_P60=0;
DDR6_P61=0;
DDR6_P62=1;
OPCR=0x40;
//Amplifier gain is 20V/V
}
MCU-AN-500080-E-10 - Page 12