Pulse signal holding circuit

The utility model discloses a pulse signal holding circuit, include: the signal produces module, signal retaining module, protection executable module and microprocessor MCU module, wherein, the MCU module is connected with the input of protection executable module to to protection executable module output control signal, signal retaining module's output with input coupled linking, the first inputend of protection executable module be connected to output that the signal produced the module, second input with the MCU module is connected, and signal retaining module's output is in the first input end was received and was come from when the signal produced the pulse signal of module, output signal clamped down on the protection executable module turn -offs. The utility model discloses a control signal is cut off to the mode that hardware is connected, rather than controlling through the MCU module, can realize fast that pulse signal keeps, avoids the delay. 本实用新型公开了种脉冲信号保持电路，包括：信号产生模块、信号保持模块、保护执行模块以及微处理器MCU模块；其中