发明名称 CLOCK DELAY ADJUSTMENT CIRCUIT FOR SEMICONDUCTOR INTEGRATED CIRCUIT AND METHOD FOR CONTROLLING THE SAME
摘要 <P>PROBLEM TO BE SOLVED: To solve the problem that a circuit scale is increased. <P>SOLUTION: The clock signal adjustment circuit of a semiconductor integrated circuit comprises: a plurality of circuit blocks; a plurality of clock delay circuits for supplying clock signals obtained by delaying the input clock signals based on a delay control signal to the plurality of corresponding circuit blocks; a control circuit for executing the delay test of the plurality of circuit blocks; a relief group storage circuit for storing the information of the circuit block necessary for delay processing among the plurality of circuit blocks according to the result of the delay test; a prescribed number of delay setting circuit for storing delay value information of the circuit block whose delay processing is necessary among the plurality of circuit blocks according to the result of the delay test; and a delay setting assignment control circuit for assigning the delay control signal corresponding to the delay value information stored by the delay setting circuit to the clock delay circuit corresponding to the information of the circuit block stored by the relief group storage circuit. <P>COPYRIGHT: (C)2012,JPO&INPIT
申请公布号 JP2011221574(A) 申请公布日期 2011.11.04
申请号 JP20100086359 申请日期 2010.04.02
申请人 RENESAS ELECTRONICS CORP 发明人 ITO YUSUKE
分类号 G06F1/10;G06F1/04;H03K5/14;H03K5/15 主分类号 G06F1/10
代理机构 代理人
主权项
地址