The HT66F2390 is an 8-bit MCU with Holtek's high-performance RISC architecture core. It is a member of Holtek Advanced A/D Flash MCU family. The device has achieved IEC/UL 60730 certification, it is supplied with a software library dedicated for IEC/UL 60730 verification to assist users in their product development and verification.

The HT66F2390 includes an integrated hardware CRC engine for flash program memory self-diagnostic testing. It also includes a large LED current drive capability, which permits LEDs to be driven without requiring external current-limiting resistors or transistors. It is suitable for LED / LCD home appliances and automotive products, such as car alarms, motorcycle instrumentations, health care measurement products, washing machines, water heaters and exercise machines, etc.

1. The product image is for showing the product appearance, the pin count shown may not match the product pin count.