Low latency serial communication for MEG II trigger system

Low latency serial communication for MEG II trigger system
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MEG II 触发系统的低延迟串行通信

DOI:
10.1016/j.nima.2018.09.153
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发表时间:
2019
期刊:
Nuclear Instruments and Methods in Physics Research Section A : Accelerators, Spectrometers, Detectors and Associated Equipment
影响因子:
--
通讯作者:
G. Signorelli
G. Signorelli
中科院分区:
--
文献类型:
--
作者:
M. Francesconi;A. Baldini;F. Cei;M. Chiappini;L. Galli;M. Grassi;U. Hartmann;F. Morsani;D. Nicoló;A. Papa;S. Ritt;E. Schmid;G. Signorelli

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在脑磁图实验升级的框架下,设计了一种新的触发系统,该系统在延迟方面具有苛刻的性能。为了实现512 ns延迟的目标,触发器板之间的串行连接已经过优化,因此它们仅依赖于数据流的串行到并行移位寄存器,从而最大限度地减少了数据交叉的逻辑量。设计了一个专用的有限状态机(FSM),用于根据发送器和接收器使用的外部精密时钟选择串行流的采样点。作为概念验证,计算了16 000通道加权波形和(包括消隐段抑制),结果延迟为700 ns。
In the framework of the upgrade of the MEG experiment a new trigger system with demanding performances in terms of latency was designed. To achieve the goal of 512 ns latency the serial connections between trigger boards have been optimized so that they only rely on serial to parallel shift registers for the data flow, minimizing the amount of logic to be crossed by data. A dedicated Finite State Machine (FSM) was designed to select the sampling point of the serial stream with respect to an external precision clock used by both transmitter and receiver. As a proof of concept a 16 000 channel weighted waveform sum including pedestal suppression, was computed, resulting in 700 ns of latency.
使用MEG II实验液氙伽马射线探测器时间校准计数器评估时间分辨率
DOI: --
发表时间: 2022
期刊:
影响因子: --
作者:
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通讯作者: 松下彩華
MEG II 液氙探测器和模拟
DOI: --
发表时间: 2022
期刊:
影响因子: --
作者:
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通讯作者: Sei Ban