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.

Functional Module

Part No.

Application Note Description

Associated Files

HA0400E HT7M21x6 Optical Sensor Suggested Type and Debugging Method .zip
 
Display Driver

Part No.

Application Note Description

Associated Files

HA0018E Controlling the HT1621 LCD Controller with the HT48 MCU Series .zip
HA0042E Using the HT16512 VFD Controller .zip
HA0103E Using C language to write and read to the HT1621 using the HT48 and HT46 MCU series .zip
HA0127E Dot Matrix LED Display Applications Usirestng the HT1632C .zip
HA0136E Driving Matrix LEDs Using the HT1632 to Display an Animated Figure .zip
HA0255E Electric Meter Applications Using the HT16C22 .zip
HA0276E HT16K23 Key-input LCD Driver .zip
HA0280E Using the HT16C2x I2C Interface for LCD Driving and Control .zip
HA0287E Using the HT16C24 in Mobile Phone Panel Applications .zip
HA0290E Using the HT16C21 in Audio Panel Applications .zip
HA0291E Using the HT16L23 in BD Player Panel Applications .zip
HA0296E HT16523 5x7x16 Characters Character type VFD Controller & Driver IC .zip
HA0330E Using the HT16LK24 for Driving LCD Audio Panels with Colour Backlight .zip
HA0363E Using the HT16K33 in DVD Player Panel Applications .zip
HA0369E Using the HT16K33 in DVD Player Panel Applications - C Language .zip
HA0391E Using the HT9B95 in Three-Phase Electric Meter LCD Display Panel Applications .zip
HA0392E Using the HT9B95G in Three-Phase Electric Meter LCD Display Panel Applications .zip
HA0393E HT1635A/B Wearable Sports Bracelet LED Display Application .zip
HA0443E HT1635A/35B Wearable Sports Bracelet LED Display Application C Language Example .zip
 
Memory

Part No.

Application Note Description

Associated Files

HA0003E Communicating between the HT48 & HT46 Series MCUs and the HT93LC46 EEPROM .zip
HA0016E Writing and Reading to the HT24 EEPROM with the HT48 MCU Series .zip
HA0017E Controlling the Read/Write Function of the HT24 Series EEPROM Using the HT49 Series MCUs .zip
HA0044E Reading and Writing to the HT93LC46 with the HT49 MCU Series .zip
 
Encoder/Decoder

Part No.

Application Note Description

Associated Files

HA0040E Receiving the HT6221A's Encoded Signals .zip
HA0055E 212 Decoder (8+4 - Corresponds to HT12E) .zip
HA0056E 212 Decoder (9+3 - Corresponds to HT12E) .zip
HA0057E 212 Decoder (10+2 - Corresponds to HT12E) .zip
HA0058E 212 Decoder (12+0 - Corresponds to HT12E) .zip
HA0063E 312 Decoder (8+4 - Corresponds to HT6010/HT6014) .zip
HA0064E 312 Decoder (10+2 - Corresponds to HT6010/HT6012) .zip
HA0065E 312 Decoder (12+0 - Corresponds to HT6010) .zip
HA0205E Using the 315M/433MHz ASK Transmitter HT4xR01T3 MCU --
HA0220E HT66F03T3/68F03T3 MCU with 315MHz/433MHz ASK Transmitter --
HA0261E The HT6P20x2 Encoder IC .zip
HA0265E HT6P20x2T3 Learning Encoder with 315/433MHz ASK Transmitter --
HA0274E HT16x2Tx/HT12x2Tx Extended HT12E with 300~450MHz ASK Transmitter --
HA0304E HT62104 Infrared Remote Encoder IC --
HA0435E BC2401 Application Guidelines --
 
RF

Part No.

Application Note Description

Associated Files

HA0205E Using the 315M/433MHz ASK Transmitter HT4xR01T3 MCU --
HA0220E HT66F03T3/68F03T3 MCU with 315MHz/433MHz ASK Transmitter --
HA0265E HT6P20x2T3 Learning Encoder with 315/433MHz ASK Transmitter --
HA0274E HT16x2Tx/HT12x2Tx Extended HT12E with 300~450MHz ASK Transmitter --
HA0332E BC66F8x0 Functional Test Kit --
HA0359E BC66F8x0 RF Transceiver Demo Code Description --
HA0364E RF Products Architecture Design Notes --
HA0372E BC48R2020 315M/433MHz OOK Transmitter .zip
 
Power Management

Part No.

Application Note Description

Associated Files

HA0109E Using the HT77XX Step-up DC/DC Converter --
HA0292E HT7A6003 Evaluation Board : 19V/65W AC-DC Adapter --
HA0293E HT7A3942 Evaluation Board : 19V/65W AC-DC Adapter --
HA0295E HT7L4091 LED Driver Buck Topology Applications --
HA0298E HT77xxS PFM DC/DC Step-up Converter --
HA0300E HT7A4016 60W/5A Power Module --
HA0307E HT77xxSA PFM DC/DC Step-up Converter --
HA0343E HT7L4811 T8/18W 12S, 425mA AC-DC LED Tube --
HA0344E HT7L4811 E27/8W 13S, 162mA LED Bulb --
HA0358E HT7L4811 T8/18W 24S, 220mA AC-DC LED Tube --
HA0367E HT7A6312 Low Cost Buck Configuration Power Supply --
HA0371E HT7A6312 Low Cost Power Supply in Non-isolation Flyback Configuration --
HA0373E HT7A6322 Flyback Configuration Low Cost Power Supply --
HA0374E HT7A6312 Flyback Configuration Low Cost Power Supply --
HA0376E HT7A6312 Low Cost Power Supply in Buck-boost Configuration --
HA0388E Using the HT7L5600 T8/24W 12S/560mA
180~265VAC LED Tube Lighting Controller
--
HA0389E HT7L4813 E27/12W 26S, 145mA LED Bulb --
HA0390E HT7L4815 T8/18W 24S, 220mA AC-DC LED Tube --
HA0394E HT7L4661 PIR E27/10W 6S, 381mA LED Bulb --
HA0395E HT7L5600 E27/8W 8S, 266.5mA LED Bulb --
HA0396E HT7L5821 120W 15S, 2200mA Outdoor LED for Lighting Application --
HA0399E HT7L5610 E27/8W 8S, 273.5mA LED Bulb --
HA0406E HT7L5820 120W 15S, 2200mA Outdoor LED for Lighting Application --
 
Voice/Music

Part No.

Application Note Description

Associated Files

HA0208E HT83Fxx Flash Voice Memory Manual --
HA0264E Using EasyPlay to Develop the HT83F02 Flash Voice MCU --
HA0279E Using the EasyPlay Development Tools for HT83F22 Flash Voice Record Applications --
HA0289E How to convert the HT83F02 via its Development Environment to the HT83B60 --
 
Computer

Part No.

Application Note Description

Associated Files

HA0104E Using the HT82M99E to Implement an RS232 to USB Converter Interface .zip
HA0223T HT45B0K USB Bridge Library .zip
HA0251E Fingerprint Identification Application using the DMA Interface in the HT82A525R --
HA0267E Using the HT82K95E to Implement the Data Transmission with the PC .zip
HA0268E Using HT82B60R to Implement 8 Byte Data Transmission and Reception .zip
HA0269E Using the HT82B40R to Implement 8-Byte Data Transmission and Reception .zip
HA0270E Using the HT82A525R to Implement Data Transmission with the PC .zip
HA0272E Using the HT82A623R to Implement 8 Bytes Data Transmission and Reception .zip
HA0273E HT45B0S USB to UART Bridge .zip
HA0275E Using the HT82A620R for Battery Charger Applications .zip
HA0277E HT82A824R USB Speaker Application --
HA0278E HT98R068 Two-way Radio MCU .zip
HA0281E HT45B0S-F USB to UART Bridge .zip
HA0299E Using the HT45B0F for Data Transmission .zip
HA0302E Holtek USB HIDAPI DLL Introduction .zip
HA0305E HT98R068-1 Two-way Radio OTP MCU .zip
HA0320E HT66FB5x0/HT68FB5x0 IAP Function (without USB) .zip
HA0321E Using the HT66FB5x0/HT68FB5x0 USB Interface to Switch from User Code to Bootloader Code .zip
HA0322E Using the Library to jump from the User Code to the Bootloader Code in the HT66FB5x0 and HT68FB5x0 .zip
HA0323E Using the HT66FB5x0 for 2D Joystick Applications C Language Example .zip
HA0328E HT66FB5x0 / HT68FB5x0 USB Flash ICs ISP Function Development --
HA0329E Using the USB Workshop for the HT66FB5x0/HT68FB5x0 to Implement Switching from User Code to Bootloader Code .zip
HA0345E HT66FB550 How to Update the Flash Program Memory using the USB Module and IAP Function .zip
 
Communication

Part No.

Application Note Description

Associated Files

HA0037E Using the HT9200A/B DTMF Generator .zip
HA0038E How to Use the HT9170 DTMF Receiver .zip
HA0053E Type I caller ID using the HT9032 --
HA0212E Using the SIM SPI Mode and special Software points to note in the HT95R5x/HT95R6x .zip
HA0217E Using the I2C Interface in the HT95R5x/HT95R6x .zip
HA0221E HT95R55 Voice Applications .zip
HA0227E HT95R6x CPT (Call Progress Tone) Decoder Function .zip
HA0228E The HT95R5x/HT95R6x FSK Decoder Functions .zip
HA0317E HT95R6x DTMF Generator Function .zip
HA0318E HT95R6x DTMF Receiver Function .zip
HA0319E Using the HT95R6x for CID Phones .zip
 
Miscellaneous

Part No.

Application Note Description

Associated Files

HA0049E Read and Write Control of the HT1380 .zip
HA0201E The HT7612 Application and External Component Selections --
HA0258E Perpetual Calendar using the HT1382 .zip
HA0297E Holtek MCU ICP Description & Precautions (Using e-WriterPro) --
HA0303E Read and Write Control of the HT1380A/HT1381A .zip