< br >
SC9801 is a human voice chip dedicated to security alarm. It uses One Time Programmable (OTP), the latest embedd-in EPROM architecture in Taiwan. It integrates accurate vibration internally, so it does not need additional shock resistance. The peripheral components are simple and low cost, stable and reliable performance.
The speech synthesis method is 4-bit Advanced LOG-PCM, the voice restoration degree is high, the three-wire serial pulse MCU control mode is used in the home wireless security alarm, security monitoring alarm system and other anti-theft alarm to do voice alarm warning.