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AM4EC Series DATA SHEET
㆓ 295 9 1 : 03-573 6660 : 03-573 6661 www. ealpha. com. tw
Alpha Microelectronics Corp.
9F-1, 295, Sec. 2, Kuang Fu Rd. , Hsinchu, Taiwan Tel : +886-3-573 6660 Fax: +886-3-573 6661 www. ealpha. com. tw
Rev 1. 6 2004/7/1
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AM4EC Series
1. 0 General Description
The AM4EC series are very low cost voice and melody synthesizer with 4-bits CPU. They have various features including 4-bits ALU, ROM, RAM, I/O ports, timers, clock generator, voice and melody synthesizer, and PWM (Direct drive) or D/A current outputs, etc. The audio synthesizer contains one voice-channel and two melody-channels. Furthermore, they consist of 27 i...