应用功能: 录音/播放处理器 Winbond’s ISD1400 ChipCorder® series provide high-quality, single-chip, Record/Playback solutions to short-duration messaging applications. The CMOS devices include an on-chip oscillator,microphone preamplifier, automatic gain control, anti-aliasing filter, smoothing filter, and speaker amplifier. A minimum Record/Playback subsystem can be configured