Design of timing control module applied to digital quench detector

The ADC/Timing Control Module (ADC/TCC) based on the FPGA hardware programmable technique, applied to digital quench detector was designed and implemented. As the coprocessor and main controller of detector,the module performs the multi-channel analog-to-digital conversion, data pre-processing cache and I/O control. In addition, ADC/TCC has the capacity of self-inspection and triggers the quench alarm signal in case of a quench or failure. Based on the architecture of FPGA and DSP, the system was designed to have fast response, high accuracy, and the capacity of monitoring multiple superconducting magnets simultaneously and raising the alarms separately. The application of programmable technology on-chip makes contribution to the detector's integration, flexibility and advantage of upgrading to meet the need of the variety of superconducting magnets in the future accelerator projects. The hardware design and FPGA timing logic software development of ADC/TCC module along with experimental results were expounded in the paper. (authors)