SIO waveform shaping circuit

• Main Authors: FENG SHI, WANG RONGHE, CHEN JIANFU
• Format: Patent
• Language: Chinese; English
• Published: 08.09.2017
• Subjects: BASIC ELECTRONIC CIRCUITRY; ELECTRICITY; PULSE TECHNIQUE

The utility model provides a SIO waveform shaping circuit, include: MCU interface circuit, buffer circuit, level shifting circuit, signal shaping circuit and SIO bus interface, DATA signal that the signal conversion of level shifting circuit output port SO output in with MCU interface circuit is 12V by SIO bus interface output, and, will are DATA signal, the CLK signal conversion of SIO bus interface input 0 (VCC+0.7, ) V's signal input to signal shaping circuit input, DATA signal, the CLK signal of input are isolated among SO output signal, SI incoming signal, CLK incoming signal and the SIO bus interface of buffer circuit in with MCU interface circuit. A foretell SIO waveform shaping circuit effectively improves communication system's reliability. 本实用新型提供了种SIO波形整形电路，包括：MCU接口电路、隔离电路、电平转换电路、信号整形电路和SIO总线接口；所述电平转换电路将MCU接口电路中输出端口SO输出的信号转换为12V的DATA信号由所述SIO总线接口输出；以及，将所述SIO总线接口输入的DATA信号、CLK信号转换为0-(VCC+0.7)V的信号输入至信号整形电路输入端；所述隔离电路将MCU接口电路中的SO输出信号、SI输入信号、CLK输入信号与SIO总线接口中输入的DATA信号、CLK信号相隔离。上述的种SIO波形整形电路，有效提高通信系统的可靠性。