HT45F2020 Datasheet | Holtek Semiconductor

Features CPU Features - Power Supply input voltage - HT45F2020: 8V~16V - HT45F2022: 2.2V~5.5V - Internal shunt regulator output: 5V - HT45F2020 only - Operating voltage - f SYS=8MHz: 2.2V~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 - Oscillators - Internal High Speed RC - HIRC - Internal 32k Hz RC - LIRC - Multi-mode operation: NORMAL, SLOW, IDLE and SLEEP - Fully integrated internal 8 MHz oscillator requires no external ponents - All instructions executed in one or two instruction cycles - Table read instructions - 61 powerful instructions - 2-level subroutine nesting - Bit manipulation instruction Peripheral Features - Flash Program Memory: 1K×14 - RAM Data Memory: 32×8 - Watchdog Timer function - 4 bidirectional I/O lines - One 10-bit PTM for time measure, pare match output, capture input, PWM output and single pulse output functions - One Time-Base function for generation of fixed time interrupt signals - Package type: SOT23-6, 8-pin SOP Development Tools For rapid product development and to simplify device parameter setting, Holtek has provided relevant development tools which users can download from the following link: https://.holtek./page/tool-detail/dev_plat/voice/Sound_Effect_Generator_Wizard Rev. 1.03 February 26, 2025 HT45F2020/HT45F2022 Sound Effect Generator Flash MCU General Description This series of devices are MCU based waveform generators especially designed for products which require custom sound effect generation. The internal microcontrollers are Flash Memory 8-bit high performance RISC architecture type. Offering users the convenience of Flash Memory multiprogramming features , the devices also includes a wide range of additional functions and features to assist with their custom audio generation. Other memory includes an area of RAM Data...