Within this page you can find application notes prepared by the HOLTEK engineering teams.
The main purpose is to provide information for further understanding of HOLTEK devices and also to assist with product design optimisation.

8-Bit Flash MCU

Part No.

Application Note Description

Associated Files

AN0124E HT48F MCU Series - Using Assembly Language to Write to the 2K EEPROM Data Memory .zip
AN0125E HT48F MCU Series - Using C Language to Write to the 2K EEPROM Data Memory .zip
AN0192E Notes for using the LVR in the HT66Fx0 --
AN0193E Using the LVD in the HT66Fx0 --
AN0194E Using the ADC Functions in the HT66Fx0 .zip
AN0195E Reset Circuit Applications in the HT66Fx0 Series MCU --
AN0196E Interfacing to LCDs, LEDs and Input Keys with Pin-shared I/Os in the HT66Fx0 .zip
AN0197E HT66Fx0 Operating Modes --
AN0198E Setting up the HT66Fx0 Comparator Settings and Points to Note --
AN0199E Using the SIM SPI Function in the HT66F40 .zip
AN0200E Using the SIM I²C Mode in the HT66F40 .zip
AN0231E UART and SPI Data Transmission Functions using Time Sharing in the HT66FU50 .zip
AN0235E Using the Operational Amplifiers in the HT45F23 --
AN0236E Comparator Applications in the HT45F23 --
AN0237E How to Use the CTM Timer Mode in the HT66F40 .zip
AN0238E Using the CTM Compare Match Output Mode in the HT66F40 .zip
AN0239E Using the CTM PWM Mode in the HT66F40 .zip
AN0240E Using the ETM Compare Output Function in the HT66F40 .zip
AN0241E Using the ETM Input Capture Function in the HT66F40 .zip
AN0242E Using the ETM PWM Function in the HT66F40 .zip
AN0243E Using the ETM Single Pulse Function in the HT66F40 .zip
AN0244E Using the ETM Timer Function in the HT66F40 .zip
AN0245E Using the STM Compare Match Output Function in the HT66F40 .zip
AN0246E Using the STM Input Capture Function in the HT66F40 .zip
AN0247E Using the STM PWM Function in the HT66F40 .zip
AN0248E Using the STM Single Pulse Function in the HT66F40 .zip
AN0249E Using the STM Timer Function in the HT66F40 .zip
AN0252E Using the SIM SPI Function in the HT67F50 .zip
AN0253E HT67Fx0/HT69Fx0 Operating Mode Introduction --
AN0254E Points to Note when using the Data EEPROM in the HT67Fx0 .zip
AN0256E Setting Up and Points to Note for the Comparator in the HT67F50 --
AN0260E Using the SIM I²C Mode in the HT67F50 and Special Considerations .zip
AN0285E How to Use the SIM SPI Interface in the HT66F40 - C Language .zip
AN0286E Using the SIM I2C Communication Function in the HT66F40 (C Language) .zip
AN0294E Implementing LCD Control with C in the HT67F40 .zip
AN0324E HT66Fx0 Timer Module Operation Principles and Notes .zip
AN0325E Special Considerations for the HT66F40 Timer Module Input/Output Pin Setup .zip
AN0326E HT66F018 PTM IR Carrier Function Application Example .zip
AN0327E Using the HT66F016L and the HT66F50 to Implement Remote Encoding and Decoding .zip
AN0334E Using the HT66F60A/HT66F70A with Long Instructions to Access Data from RAM Other than Bank 0 .zip
AN0336E HT66F70A IAP Function .zip
AN0377E HT8 UL60730 Safety Library -- A/D Converter Test --
AN0378E HT8 UL60730 Safety Library -- ALU Test --
AN0379E HT8 UL60730 Safety Library -- Comparator Test --
AN0380E HT8 UL60730 Safety Library -- CPU Registers Test --
AN0381E HT8 UL60730 Safety Library -- Digital I/O Test --
AN0382E HT8 UL60730 Safety Library -- Frequency Monitoring Via External LXT Clock Source Frequency --
AN0383E HT8 UL60730 Safety Library -- Invariable Memory CRC-16 CCITT Test --
AN0384E HT8 UL60730 Safety Library -- Interrupt Functionality Test --
AN0385E HT8 UL60730 Safety Library -- Program Counter Register Test --
AN0386E HT8 UL60730 Safety Library -- _RAM March X Test --
AN0387E HT8 UL60730 Safety Library -- Stack Corruption Detection --
AN0397E Using the HT48R008 to Control a Bidirectional LED Array and Touch Keys .zip
AN0410E HT8 MCU Integrated LCD Application Guideline --
AN0416E Using the 24-bit ΔΣ A/D Converter in the HT67F56xx .zip
AN0417E HT8 MCU IAP Application Guidelines .zip
AN0418E HT8 MCU ISP Application --
AN0419E HT8 MCU ICP Application Guidelines --
AN0421E Using the Motor Driver in the HT45F4630 .zip
AN0422T Using the HT45F4630 RF Function .zip
AN0423T Using the Battery Voltage Detect Function in the HT45F4630 .zip
AN0424E HT8 MCU Integrated STM Timer Mode Application Note .zip
AN0425E HT8 MCU Internal PTM PWM Application Note .zip
AN0426E HT8 MCU Watchdog Timer (WDT) Application – Crash Prevention .zip
AN0429E HT8 MCU Operating Modes Application Guidelines --
AN0432E HT8 MCU System Frequency Characteristics Application Guidelines --
AN0433E HT8 MCU Reset Application Guidelines --
AN0434E HT8 MCU Timer Module (CTM/STM/PTM/ETM) Application Guidelines .zip
AN0436E HT8 MCU Timer Module Application Note (1) – How to Generate Buzzer Signals with Different Frequencies --
AN0439E HT98F069 Two-way Radio Flash MCU Application Guidelines .zip
AN0440E 8-bit USB Flash MCU IAP Application Guidelines .zip
AN0444E HT66FB576/574/572 RGB LED PWM Function Application Guidelines --
AN0445E HT8 MCU Timer Module Application Note (2) ‒ Generating Infrared Remote Control Carrier Waves in the PWM Mode .zip
AN0446E HT8 MCU Timer Module Application Note (3) – Using the TM Timer Mode to implement a Software UART Function .zip
AN0448E HT67F86A Internal RTC Application Guidelines --
 
Touch MCU

Part No.

Application Note Description

Associated Files

AN0352E Notes for I²C Transmission --
AN0449E BS87xxxA OPA (OCVP Module) Application Guidelines --
 
32-Bit Flash MCU

Part No.

Application Note Description

Associated Files

AN0282E HT32F125x Flash Programming --
AN0283E HT32F125x Clock Monitor and Frequency Conversion --
AN0284E HT32F125x Low Power Mode .zip
AN0288E HT32F125x RTOS --
AN0301E HT32 Series Crystal Oscillator, ADC Design Note and PCB Layout Guide --
AN0310E HT32 Series Microcontrollers PDMA Description --