HT66F0041 Datasheet | Holtek Semiconductor

Features CPU Features - Operating voltage - f SYS=8MHz: 1.8V~5.5V - Up to 0.5μs instruction cycle with 8MHz system clock at VDD=5V - Power down and wake-up functions to reduce power consumption - Oscillator types - Internal High Speed RC - HIRC - Internal Low Speed 32k Hz RC - LIRC - Multi-mode operation: FAST, SLOW, IDLE and SLEEP - Fully integrated internal oscillators require no external ponents - All instructions executed in one or two instruction cycles - Table read instructions - 61 powerful instructions - Up to 4-level subroutine nesting - Bit manipulation instruction Peripheral Features - Flash Program Memory: 1K×14~2K×14 - RAM Data Memory: 64×8 - Emulated EEPROM Memory: 32×14 - Watchdog Timer function - Up to 18 bidirectional I/O lines - Programmable I/O source current for LED applications (for HT66F0041 only) - Up to 2 pin-shared external interrupts - One 8-bit programmable Timer/Event Counter with overflow interrupt and prescaler - 1-channel 8-bit PWM output shared with I/O line (HT66F0021/HT66F0031) - 8-bit PWM plementary outputs shared with I/O lines (HT66F0041) - Single Time-Base function for generation of fixed time interrupt signals - 4 external channels 10-bit resolution A/D converter with internal reference voltage VVR - Low voltage reset function - Package types: 8-pin SOP, 16/20-pin NSOP and 20-pin SSOP Rev. 1.60 September 02, 2025 HT66F0021/HT66F0031/HT66F0041 1K/2K Cost-Effective A/D Flash MCU General Description The devices are Flash Memory A/D type 8-bit high performance RISC architecture microcontrollers. For memory...