HT45F2020 SOT23-6

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 HT45F2020 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 Memory.

CPU Features

Power Supply input voltage
– HT45F2020: 8V~16V
– HT45F2022: 2.2V~5.5V
Operating voltage
fSYS=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 32kHz RC – LIRC
Multi-mode operation: NORMAL, SLOW, IDLE and SLEEP
Fully integrated internal 8 MHz oscillator requires no external components
All instructions executed in one or two instruction cycles
Table read instructions
63 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
Five pin-shared external interrupt inputs – H1, H2, H3, NFIN and INT1
One 10-bit PTM for time measure, compare 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