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

AN0120E HT48F06E Hopping Decoder .zip
AN0121E HT48F06E Hopping Encoder .zip
AN0154E Using the HT46F47E in Digital Photoframe Backlight Applications .zip
AN0159E Points to Note when Converting between the HT46F4xE and HT46R4xE Series --
AN0191E Using the Data EEPROM in the HT66Fxx .zip
AN0229E Driving a BLDC Motor using the HT45FM03B (Assembly Language) .zip
AN0230E Driving a BLDC Motor Using the HT45FM03B – C Language .zip
AN0233E Voice Applications Using the HT45F23 .zip
AN0308E HT45F23A/HT45F43 Smoke Detector and PIR Applications --
AN0311E Using the HT45FH4M for Power Bank Applications --
AN0312E Power Bank Application - Using the HT45F4M --
AN0315E Using the HT45FH3T for Active 3D Glasses --
AN0316E Low-power 32K LXT Oscillator Start-up Time --
AN0331E How to Implement Voice Projects Development Using the HT45F24A .zip
AN0332E BC66F8x0 Functional Test Kit --
AN0333E HT45F4MA / HT45FH4MA-1 / HT45F4N Power Bank Solution Selection Guide --
AN0337E HOLTEK Power Bank MCU Series OCP/OVP/OUVP Application --
AN0338E HOLTEK Power Bank MCU Series PWM Application Note --
AN0339E HT45F4MA Dual-port 2A Solution Test Report --
AN0340E HT45F4MA/HT45FH4MA/HT45FH4MA-1 Power Bank Application Note --
AN0342E HT69F240 LCD/LED Panel Driving and Key Scanning Functions .zip
AN0359E BC66F8x0 RF Transceiver Demo Code Description --
AN0360E HT66FV240 PCB Layout Guide --
AN0365E HT66FW2230 Wireless Charger Tx Application --
AN0368E HT45FH4J Emergency Light Applications --
AN0370E HT45F56 Sensor Application .zip
AN0401E Using the ACC Function and OPA in the HT45F0027 --
AN0402E Calculating the HT45F0027 PIR Current Consumption --
AN0403E HT45F0027 Temperature Compensation --
AN0404E HT45F0027 OPA Gain and ADC Threshold Value Setup --
AN0405E HT45F3420 LED Flashlight Application --
AN0427E HT45F3630 Power Tool Speed Control Switch Application Example --
AN0428E HT45F3520/3530 Integrated DC/DC and Motor Load Application Guideline --
AN0437E HT8 MCU 24-bit Delta Sigma A/D Converter Application Note .zip
AN0438E BH45F0031 Earphone Jack Communication Application Note .zip
AN0441E Power Battery Charger Application Guidelines --
AN0442E HT66FW2230 PWM Frequency Synchronous Write Application Note --
AN0447E HT66F43x0 Smart Card Reader MCU Integrated ISO7816-3 Application Guidelines --
AN0450E Using the HT45F5N in Type-C Power Bank Applications --
AN0456E Using the HT45FH5N in Type-C Quick Charge Power Bank Applications .zip
 
Touch MCU

Part No.

Application Note Description

Associated Files

AN0266E BS85C20 Touch PAD for Home Appliance --
AN0346E BS814A-2 Serial Interface Application Description --
AN0347E BS818A-2 Parallel Interface Application Description --
AN0348E BS818A-2 Serial Interface Application Description --
AN0349E BS81 Series Sensitivity Adjustment Method --
AN0350E BS81 Series Option Description --
AN0351E Touch Key IC Selection Table Description --
AN0353E Layout Considerations --
AN0354E ITO Application Notes --
AN0355E FPC Application Notes --
AN0356E Touch Key IC Development Tools Introduction --
AN0357E Notes for Using the e-Link Touch --
AN0366E BS8112A-3/BS8116A-3 I2C Application Description --
AN0341E HT45F4N/HT45FH4N Power Bank Application Note --
AN0431E BS66F3x0 and BS67F3x0 Enhanced Touch Flash MCU Application Guidelines --
 
32-Bit Flash MCU

Part No.

Application Note Description

Associated Files

AN0306E BS814A-2 Serial Interface Application Description .zip
AN0309E USB Device Development Kit for HT32 Series Microcontrollers --
AN0335E HT32F1655 / HT32F1656 EBI --
 
Voice/Music MCU

Part No.

Application Note Description

Associated Files

AN0360E HT66FV240 PCB Layout Guide --
AN0375E HT66FV130/140/150/160 Application and Development in Voice Products --
AN0398E BS66FV340/350/360 Application and Development in Touch with Voice Products --
AN0420E Voice MCU Workshop Application Note – Using the HT66FV140 as an Example --
 
Wireless MCU

Part No.

Application Note Description

Associated Files

AN0430E BC68F2130/2140 OOK/FSK RF Transmitter Application Guidelines .zip
AN0452E BC68F2420 Application Guidelines --
AN0459E BC66F2430 Application Guidelines --