The HT67F489 is an ASIC (Application Specific Integrated Circuit) designed and manufactured by Holtek. It is housed in a HOLTEK LQFP-44_10x10x08P RoHS package, which is a low-profile plastic quad flat package (LQFP) with 0.8 mm lead pitch. The device has a 4k x 8 ROM, 32 bytes of OTP (One-Time Programmable) memory, 256 bytes of user RAM, 42 I/Os (Input/Outputs), 7 timers, 10 IPs (Internal Peripheral), 6-channel 8-bit ADC (Analog-to-Digital Converter), 8-channel PWM (Pulse Width Modulator), 1 DAC (Digital-to-Analog Converter), and 16-bit RISC-C architecture processor. The HT67F489 is suitable for battery-driven equipment, such as remote controls, home appliances, and portable electronics.