Fujitsu MB95F430 manual Amplifier setting procedure

Page 10
4 Amplifier setting procedure

Operational Amplifier Version 1.0

Chapter 4 Amplifier setting procedure

4 Amplifier setting procedure

Below is an example of procedure for setting the operational amplifier.

Initial settings

1)Set both OPCR: OPID and OPCR: OPOD to "0" to enable both OPAMP analog input and OPAMP analog output.

2)Set the feedback resistor and RES [2:0] in OPCR.

3)Set OPCR: PD to "0" to turn on the operational amplifier.

4)Wait until the operation amplifier stabilizes.

5)Start A/D conversion if necessary.

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

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Contents 8-BITMICROCONTROLLER F²MC-8FXFAMILYMB95F430 SERIES OPERATIONAL AMPLIFIER APPLICATION NOTEAuthor Revision HistoryDate Change of RecordsCONTENTS 1 Introduction 2 Amplifier Overview Figure 1 Block Diagram of Operational Amplifier 2.1Block Diagram of Operational Amplifier2.2Pins of Operational Amplifier MCU-AN-500080-E-10- PageFigure 2 OPAMP Control Register 2.3OPAMP Control RegisterMCU-AN-500080-E-10-Page Functions of Bits in OPAMP Control Register OPCR 3 Operations of Operational Amplifier 4 Amplifier setting procedure 5.2 Driver Code 5 Amplifier Driver5.1 Peripheral Usage 5.2.1 General Definition5.2.2Amplifier Routine void AmpOpenLoop 6.1 HW Design 6 Typical Application6.2 Sample Code 7 More Information Simplified Chinese VersionSettings for Activating Operational Amplifier 8 AppendixBlock Diagram of Operational Amplifier OPAMP Control Register9 Sample Code ILRx #pragma intvect DefaultIRQHandler
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