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

HA0120E HT48F06E Hopping Decoder .zip
HA0121E HT48F06E Hopping Encoder .zip
HA0154E Using the HT46F47E in Digital Photoframe Backlight Applications .zip
HA0159E Points to Note when Converting between the HT46F4xE and HT46R4xE Series --
HA0191E Using the Data EEPROM in the HT66Fxx .zip
HA0229E Driving a BLDC Motor using the HT45FM03B (Assembly Language) .zip
HA0230E Driving a BLDC Motor Using the HT45FM03B – C Language .zip
HA0233E Voice Applications Using the HT45F23 .zip
HA0308E HT45F23A/HT45F43 Smoke Detector and PIR Applications --
HA0311E Using the HT45FH4M for Power Bank Applications --
HA0312E Power Bank Application - Using the HT45F4M --
HA0315E Using the HT45FH3T for Active 3D Glasses --
HA0316E Low-power 32K LXT Oscillator Start-up Time --
HA0331E How to Implement Voice Projects Development Using the HT45F24A .zip
HA0332E BC66F8x0 Functional Test Kit --
HA0333E HT45F4MA / HT45FH4MA-1 / HT45F4N Power Bank Solution Selection Guide --
HA0337E HOLTEK Power Bank MCU Series OCP/OVP/OUVP Application --
HA0338E HOLTEK Power Bank MCU Series PWM Application Note --
HA0339E HT45F4MA Dual-port 2A Solution Test Report --
HA0340E HT45F4MA/HT45FH4MA/HT45FH4MA-1 Power Bank Application Note --
HA0342E HT69F240 LCD/LED Panel Driving and Key Scanning Functions .zip
HA0359E BC66F8x0 RF Transceiver Demo Code Description --
HA0360E HT66FV240 PCB Layout Guide --
HA0365E HT66FW2230 Wireless Charger Tx Application --
HA0368E HT45FH4J Emergency Light Applications --
HA0370E HT45F56 Sensor Application .zip
HA0401E Using the ACC Function and OPA in the HT45F0027 --
HA0402E Calculating the HT45F0027 PIR Current Consumption --
HA0403E HT45F0027 Temperature Compensation --
HA0404E HT45F0027 OPA Gain and ADC Threshold Value Setup --
HA0405E HT45F3420 LED Flashlight Application --
HA0427E HT45F3630 Power Tool Speed Control Switch Application Example --
HA0428E HT45F3520/3530 Integrated DC/DC and Motor Load Application Guideline --
HA0441E Power Battery Charger Application Guidelines --
HA0447E HT66F43x0 Smart Card Reader MCU Integrated ISO7816-3 Application Guidelines --
 
Touch MCU

Part No.

Application Note Description

Associated Files

HA0266E BS85C20 Touch PAD for Home Appliance --
HA0346E BS814A-2 Serial Interface Application Description --
HA0347E BS818A-2 Parallel Interface Application Description --
HA0348E BS818A-2 Serial Interface Application Description --
HA0349E BS81 Series Sensitivity Adjustment Method --
HA0350E BS81 Series Option Description --
HA0351E Touch Key IC Selection Table Description --
HA0353E Layout Considerations --
HA0354E ITO Application Notes --
HA0355E FPC Application Notes --
HA0356E Touch Key IC Development Tools Introduction --
HA0357E Notes for Using the e-Link Touch --
HA0366E BS8112A-3/BS8116A-3 I2C Application Description --
HA0341E HT45F4N/HT45FH4N Power Bank Application Note --
HA0431E BS66F3x0 and BS67F3x0 Enhanced Touch Flash MCU Application Guidelines --
 
32-Bit Flash MCU

Part No.

Application Note Description

Associated Files

HA0306E BS814A-2 Serial Interface Application Description .zip
HA0309E USB Device Development Kit for HT32 Series Microcontrollers --
HA0335E HT32F1655 / HT32F1656 EBI --
 
Voice/Music MCU

Part No.

Application Note Description

Associated Files

HA0360E HT66FV240 PCB Layout Guide --
HA0375E HT66FV130/140/150/160 Application and Development in Voice Products --
HA0398E BS66FV340/350/360 Application and Development in Touch with Voice Products --
HA0420E Voice MCU Workshop Application Note – Using the HT66FV140 as an Example --
 
RF MCU

Part No.

Application Note Description

Associated Files

HA0430E BC68F2130/2140 OOK/FSK RF Transmitter Application Guidelines .zip