Holtek Semiconductor HT36B2
The HT36B2 is an 8-bit high performance RISC-like microcontroller specifically designed for music applications. It provides an 8-bit MCU and a 16 channel wavetable synthesizer. The program ROM is composed of both program control codes and wavetable voice codes, and can be easily programmed.FEATURES
● Operating voltage: 3.6V~5.0V● Operating frequency: 3.58MHz~12MHz
● Sampling rate of 44.1kHz as 11.059MHz for system frequency
● Eight-level subroutine nesting
● HALT function and wake-up feature to reduce power (typ. 11.059MHz)
● 32 bidirectional I/O lines
● Two 16-bit programmable timer/event counters with consumption
● Bit manipulation instructions
● 16-bit table read instructions
● 63 powerful instructions
● All instructions in 1 or 2 machine cycles
● 28-pin SOP, 56-pin SSOP package overflow interrupts
● Watchdog Timer
● Built-in 8-bit MCU with 576´8 bits RAM
● Built-in 128K´16-bit ROM for program/data shared
● Two High D/A converter resolution: 16 bits
● Polyphonic up to 16 notes
● Independent pan and volume mix can be assigned to each sound component
GENERAL DESCRIPTION
The HT36B2 has a built-in 8-bit microprocessor which programs the synthesizer to generate the melody by setting the special register from 20H~2AH. A HALT feature is provided to reduce power consumption.