Multi-channel parallel successive data sampling technology based on CPLD

The paper presents a successive data acquisition technology devoted to multi-channel full parallel data acquisition system. It implements time-sharing storage of multi-channel data in one single sampling period through complex programmable logic array. At the same time, high-speed data acquisition and data transmission are gonging simultaneously by hard double buffers, which satisfies requirement of real-time system. As compared with the general discrete component design, this way decrease the complexity of implementation, and has better stability.