Holtek - HT32F61355: A modern 32-bit microcontroller, part of the high-performance Music Synthesizer MCU product line

The HT32F61355 microcontroller series from Holtek is a low-power solution based on the Arm® Cortex®-M0+ core. The Cortex®-M0+ is a next-generation processor core tightly integrated with the Nested Vectored Interrupt Controller (NVIC), a SysTick timer, and support for advanced debugging features. 

Operating at up to 48 MHz, the HT32F61355 delivers fast and efficient performance, capable of handling complex tasks. It features 128 KB of Flash memory and 16 KB of SRAM, providing ample storage for code and data. Additionally, it supports Wave Table audio synthesis and MIDI Engine control, enabling the creation of rich and diverse melodies. 

The HT32F61355 integrates modern technologies such as ADC, dual-channel DAC, I2C, I2S, USART, UART, SPI, QSPI, and USB2.0 FS, ensuring seamless connectivity with various peripherals. 

This Holtek microcontroller also incorporates multiple power-saving modes, optimizing the balance between wake-up time and power consumption, making it ideal for energy-efficient applications. The HT32F61355 is an excellent choice for audio and musical instrument applications, including electronic organs, digital pianos, electronic drums, electric guitars, and electronic accordions. 

Specifications:  

– Arm® Cortex®-M0+ 48 MHz core 

– Memory: 128 KB flash, 16 KB SRAM 

– Features: supports Wave Table sound synthesis, MIDI Engine to generate melody 

– Peripherals: ADC, 2-channel DAC, I2C, I2S, USART, UART, SPI, QSPI, and USB2.0 FS 

– Support: NVIC, Systick 24 bit 

– Operating voltage: 2-3.6V 

– GPIO: up to 43 pins 

Advantages:  

– High performance 

– Sound synthesis feature 

– Save energy 

– Diverse peripheral communication 

Applications:  

– Applications for sounds and musical instruments such as electronic organs, digital pianos, electronic drums, electric guitars, electronic accordions, etc.

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