The HT48R065B is a medium-popularity product manufactured by Holmate Technology Corp. (Holtek). It is an 8-bit high-performance microcontroller with an embedded flash memory. The Win Source Part Number for this product is 276667-HT48R065B. This microcontroller is ideal for use in various applications such as remote controllers, home appliances, and industrial control systems. It has a low-power consumption rate and a wide operating voltage range of 2.2V to 5.5V. The HT48R065B also has a built-in oscillator and a watchdog timer function.