W53300 controller equivalent, (w53300 / w53320) 16voice/melody/lcd controller.
* Operating voltage: 2.4 volt ~ 5.5 volt
* Dual clock operating system − RC/Crystal (400 KHz to 4 MHz) for main clock − 32.768 KHz crystal oscillation circuit for.
Speech unit can be implemented with Winbond 16-sec Power Speech using ADPCM algorithm. Melody unit provides dual tone o.
The W53300/W53320 are a high-performance 4-bit microcontroller (µC) with built-in speech, melody and 16*48/32*48 LCD driver which includes internal pump circuit. The 4-bit uc core contains dual clock source, 4-bit ALU, two 8-bit timers, one divider, .
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