发明申请
US20120105113A1 DATA TRANSFER CIRCUIT AND DATA TRANSFER METHOD FOR CLOCK DOMAIN CROSSING 失效
用于时域交叉的数据传输电路和数据传输方法

DATA TRANSFER CIRCUIT AND DATA TRANSFER METHOD FOR CLOCK DOMAIN CROSSING
摘要:
A circuit that transfers data between a first clock domain using a first clock and a second clock domain using a second clock synchronized with the first clock. The circuit comprises a data holding circuit operating at the first clock, an enable signal generation circuit connected to the data holding circuit. Preferably, the data transfer circuit includes an edge signal generation circuit connected to the data holding circuit, the edge signal generation circuit generating an edge signal allowing the data holding circuit to receive and send the data when edges of the first clock and the second clock align, and applying the edge signal to the data holding circuit.
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