Some of the special characteristics of the device can be seen in its industrial quality specification (-40~85°C), operating voltage range of 2.3V~5.5V, OTP Program Memory capacity of 2K words, SRAM Data Memory capacity of 64 bytes, internal I2C interface, multi-function I/O pins, internal high accuracy RC oscillator as well as power-down and wake-up functions.

This comprehensive range of features together offers a new highly competitive MCU device with superior functions and characteristics. The new device will see excellent use in areas such as small household appliances. Presently, market attention is strongly focused on devices with excellent price/performance ratios, and in this respect the new Holtek device conforms well, giving it the capability to provide an excellent MCU solution to meet the needs of the modern household application area.

As is the case with other 8-bit Holtek MCUs, the new device has high noise immunity as well as Watchdog and LVR protection features that give excellent immunity against malfunction or erroneous operation. The device is supplied in both 16-pin and 20-pin package types.