HT37B90

8-Channel Music Synthesizer 8-Bit MCU; Operating voltage: 2.4V~5.5V for HT37B50/30 3.0V~5.5V for HT37B90/70\nOperating frequency: 12.8MHz\nOscillation modes for the oscillator clock - fOSC: crystal (12.8MHz) - 1-pin RC oscillation typ. 12.8MHz\nBuilt-in 8-bit MCU (HT-8) with 640x8 or 1280x8 (HT37B90) bits RAM\nBuilt-in 64Kx16-bits to 512Kx16-bits ROM for program/data shared\nTwo 8 bit timer and one 16 bit timer\nWatchdog timer\nPower-down and Wake-up features for power saving operation\n16-bit table read instructions for any bank/page read\nSupport 32 to 40 bidirectional I/O lines\nIntegrated 2-ch stereo 16-bit DAC converter\n12-level subroutine nesting\nIntegrated power amplifier\nIntegrated 8-channel 12-bit A/D converter\n16 channel polyphonic synthesizer\nLow voltage reset (Tolerance ±5%)\nExternal interrupt INTB\nExternal 2 Timer clock input\n8 touch switch input\nADPCM decoder\nIIS function for HT37B90/70\nUART function for HT37B90/70\nSPI function for HT37B90/70\nBit manipulation instructions\n63 powerful instructions\nAll instructions in 1 or 2 machine cycles;

The device is an 8-bit high performance RISC architecture microcontroller specifically designed for various Music and ADPCM applications. It provides an 8-bit MCU and 16-channel wavetable synthesizer. It has a integrated 8-bit micro controller which controls the synthesizer to generate the melody by setting the special register. A Power-down function is included to reduce power consumption.

HT37B90

HT37B90