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A31L12X
Abov A31L12X Computer Hardware Manuals
Manuals and User Guides for Abov A31L12X Computer Hardware. We have
1
Abov A31L12X Computer Hardware manual available for free PDF download: Application Note
Abov A31L12X Application Note (29 pages)
Current Sensing Board Design Guide using Low Power MCU
Brand:
Abov
| Category:
Computer Hardware
| Size: 1.39 MB
Table of Contents
Table of Contents
2
Introduction
3
Current Sensing Board Block Diagram
4
Figure 1. Functional Block Diagram
4
Hardware Description: Parts and Circuits
5
Current-Sense Amplifier (INA190)
5
Figure 2. Current Sense Amplifier (INA190) Block Diagram
5
Figure 3. Current Sense Amplifier Circuit Layout Example
7
24-Bit Analog to Digital Converter (LTC2400)
8
Figure 4. 24-Bit ADC (LTC2400) Block Diagram
8
Figure 5. Internal SCK, SPI Comm. Operation 24-Bit ADC (LTC2400)
9
LCD Module and Interfaces
10
Figure 6. 4-Digit LCD Panel (GDC8310)
10
Figure 7. Connections Circuit Diagram of A31L12X and 4-Digit LCD Panel
11
Software Structure
12
State Machine Structure
12
Figure 8. Current Measurement State Machine Diagram
12
State Machine Software Code
13
Figure 9. Function Declaration Using Function Pointers
13
Figure 10. Example Code 1/2 Showing Statemachine Function Structure
14
Figure 11. Example Code 2/2 Showing Statemachine Function Structure
15
24-Bit ADC Communication Software Code
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Figure 12. 24-Bit ADC (LTC2400) SPI Comm. Operation Code and Waveforms
16
Quick Start Guide: Setup and Use
18
Current Sensing Evaluation Board
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Figure 13. Current Sensing Evaluation Board
18
Example Firmware Project Compiling and Downloading
19
Figure 14. Example Project Folder Directory
19
Figure 15. Example Project Configuration (Main.C, Main_Conf.h)
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How to Use Current Measurement Board
21
Figure 16. Current Sensing Board Connections
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Example Circuit Diagram and Firmware Source for Current Sensing Board
23
Figure 17. Example Circuit Diagram of Current Sensing Board (1)
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Figure 18. Example Circuit Diagram of Current Sensing Board (2)
24
Conclusion
26
References
27
Revision History
28
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