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Global Top Smart MCU Innovator, ABOV Semiconductor

www.abovsemi.com

AT3212U

Demo Board Quick Start Guide

DEMO-AT3212U-KEY-A

Quick Start Guide

Version 1.00

Содержание AT3212U

Страница 1: ...Global Top Smart MCU Innovator ABOV Semiconductor www abovsemi com AT3212U Demo Board Quick Start Guide STDEMO AT3212U KEY A Quick Start Guide Version 1 00...

Страница 2: ...UART Board 11 3 2 2 Connect to the I2C to UART Board to use the Touch Demo Board 12 3 3 Connect the I2C to UART Board to your PC 13 3 3 1 Connect PC via USB on the I2C to UART Board 13 3 4 AT GUI pro...

Страница 3: ...AT GUI Program 15 Figure 14 Run Start Code Execution 16 Figure 15 Data Menu Options 17 Figure 16 Graph of Channels 18 Figure 17 Register Value Settings Part1 19 Figure 18 Register Value Settings Part...

Страница 4: ...oduces software environment and development recommendations for the ABOV Logic Type Touch Key In this document we introduce an AT GUI program and a method to operate AT3212U Touch Demo Board with exam...

Страница 5: ...board quick start guide 2 User requirements 5 2 User requirements 2 1 Hardware 2 1 1 I2C to UART Board Figure 1 I2C to UART Board Layout Hardware 2 1 2 Touch Demo Board Figure 2 AT3212U Touch Board La...

Страница 6: ...board quick start guide 6 2 2 Software You can debug using the AT GUI program Figure 3 AT GUI Program Software 2 3 Reference documents AT3212U Quick Guide AT3212U HW Manual AT3212U Schematic Product U...

Страница 7: ...requirements Windows PC 7 8 10 USB Micro B type cable Figure 4 Window PC and Micro B Cable 2 5 ABOV website For detailed information about the corresponding software and documents you can visit our w...

Страница 8: ...g the AT GUI program makes it easier to start the Touch Demo Board Follow the steps below to start the Demo Board Step 1 Prepare the I2C to UART Board and Touch Demo Board Step 2 Set up the I2C to UAR...

Страница 9: ...ard 3 1 1 Hardware components of the I2C to UART Board 1 The I2C to UART Board operates as an I2C Master based on the Touch Demo Board and contacts your PC through UART communication 2 The I2C to UART...

Страница 10: ...2CH channel and LED 4 pins are supported 2 The 2mm 2T Thick plastic cover is attached to the Touch PAD Table 1 Touch Demo Board Description Function Description Remark Touch Key User SW Touch Only Pin...

Страница 11: ...d to use 5V USB power A 9 volt battery a square battery can be used as an external power max 12V 2 Again you can use a jumper pin to select one between 5V and 3 3V of the selected power source 3 If th...

Страница 12: ...start guide 12 3 2 2 Connect to the I2C to UART Board to use the Touch Demo Board Connect a header socket of the Touch Demo Board and the header pin of the I2C to UART Board as shown in Figure 9 Figu...

Страница 13: ...unning project 13 3 3 Connect the I2C to UART Board to your PC 3 3 1 Connect PC via USB on the I2C to UART Board 1 Connect the USB 2 0 micro B type cable to the I2C to UART Board as shown in Figure 10...

Страница 14: ...icking over the icon shown in Figure 11 Figure 11 AT GUI Program Icon 2 After the program starts the COM port number is displayed on the screen as shown in Figure 12 A Click on the RUN button B Click...

Страница 15: ...At the same time the GUI program displays the corresponding key in red as shown in Figure 13 If the GUI program does not display the key in red users can solve the problem by marking the Key box in t...

Страница 16: ...3 Building and running project AT3212U Demo board quick start guide 16 3 4 3 Options of Auto Read Selection 1 Key It supports key display activation Figure 14 Run Start Code Execution...

Страница 17: ...eline reference value C Threshold THD Touch detection reference value D Percentage Current Sensitivity percentage based on the THD value of 100 Example The percentage value of 223 implies that the Cur...

Страница 18: ...all channels on the screen as shown in Figure 16 2 To activate make sure to select a Data type in the Auto read selection settings Data RAW Baseline Threshold Percentage RAW Data Original touch sensi...

Страница 19: ...es to set the registers Using the Part 2 you can write I2C commands directly to set the registers 1 Part 1 A Click on the Refresh button to read the register values currently set in the Touch Sensor c...

Страница 20: ...tial value In Single Key Noise Mode for the simultaneous keys the result is Not Touch In Multi Key Mode for the simultaneous keys the result is Simultaneous Key Table 2 Example Register Value Settings...

Страница 21: ...xternal power is applied the register setting values required for the I2C Communication are entered once 2 Then Touch Sensing and the result values are updated during Loop operation The Touch result i...

Страница 22: ...e Time regardless of the amount of current consumption it enters Fast Mode Figure 20 Timing Diagram of Touch Sensor Operation in Fast Mode Active Mode 2 In Sleep Mode Touch Sensor proceeds with its op...

Страница 23: ...n be adjusted by configuring the STOP_DELAY register Default value is 2sec If a Touch Event is generated in Sleep Mode Fast Mode is maintained for the time set in the STOP_DELAY register 3 Idle Duty t...

Страница 24: ...ch result value is read using I2C Communication OUTPUT1 to OUTPUT3 Registers Figure 23 Timing Diagram of Touch Event Occurrences in Sleep Mode 2 When making I2C Communication in Sleep Mode provide fir...

Страница 25: ...eference value THD Threshold Touch Sensing CH channel and other registers are possible Four pins from the OUT1 pin to the OUT4 pin are assigned for Digital Outputs by default If the Touch Sensing CH p...

Страница 26: ...e 26 3 5 6 Loop operation and register value update 1 During Loop operation Touch Sensing and the result values are stored 2 At this point a certain value in a register can be modified through I2C Com...

Страница 27: ...AT3212U Demo board quick start guide 3 Building and running project 27 3 5 7 I2C master example code AT3212 h Figure 26 AT3212 h...

Страница 28: ...3 Building and running project AT3212U Demo board quick start guide 28 Figure 26 AT3212 h continued...

Страница 29: ...AT3212U Demo board quick start guide 3 Building and running project 29 AT3212 c Figure 27 AT3212 c...

Страница 30: ...3 Building and running project AT3212U Demo board quick start guide 30 Figure 27 AT3212 c continued...

Страница 31: ...AT3212U Demo board quick start guide Revision history 31 Revision history Version Date Description 1 00 21 02 19 Document created...

Страница 32: ...ies and shall not be responsible or liable for any injuries or damages related to use of ABOV products in such unauthorized applications ABOV and the ABOV logo are trademarks of ABOV All other product...

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