1～3 Channel Speech /Tone Synthesizer

GPCR20A is a highly integrated circuit that contains all of the necessary functions for providing high quality voice recording and playback. In order to provide the high quality voice, 4 times over sampling and 19 level digital filter technology are used to reduce the noise level. Easy-to-use, low p • Nature, high-quality playback suitable for voice, music, and tones.\n• Single-chip voice record and playback device.\n• Microphone differential input and preamplifier output\n• Low pass amplifier input\n• Automatic gain control\n• PWM speaker driver\n• Built in 128Kx4bits SRAM, address space (0-1f;

SINGLE-CHIP VOICE RECORD/PLAYBACK DEVICES

文件：266.78 Kbytes Page：12 Pages

SINGLE-CHIP VOICE RECORD/PLAYBACK DEVICES

文件：266.78 Kbytes Page：12 Pages