HT37B30 - Holtek Semiconductor

HT37B30 8-Channel Music Synthesizer 8-Bit MCU MCU

HT37B90/HT37B70/HT37B50/HT37B30 8-Channel Music Synthesizer 8-Bit MCU MCU Note that the HT37B70/HT37B50/HT37B30 devices, although mentioned in this datasheet, have already been phased out and are presently no longer available. Features · Operating voltage: 2.4V~5.5V for HT37B50/30 3.0V~5.5V for HT37B90/70 · Operating frequency: 12.8MHz · Oscillation modes f.

Features

· Operating voltage: 2.4V~5.5V for HT37B50/30 3.0V~5.5V for HT37B90/70
· Operating frequency: 12.8MHz
· Oscillation modes for the oscillator clock fOSC: crystal (12.8MHz) 1-pin RC oscillation typ. 12.8MHz
· Built-in 8-bit MCU (HT-8) with 640´8 or 1280´8 (HT37B90) bits RAM
· Built-in 64K´16-bits to 512K´16-bits ROM for program/data shared
· Two 8 bit timer and one 16 bit timer
· Watchdog timer
· Power-down and Wake-up features for power saving operation
· 16-bit table read instructions for any bank/page read
· Support 32 to 40 bidirectional I/O lines
· Integrated 2-ch stereo 16-bit DAC convert.