CLOCK_BUFFER_TYPE用于指定时钟BUFFER的类型,通常未指定是,默认为BUFG,属性可直接代码中设置也可在XDC文件中使用。 使用模板:(* CLOCK_BUFFER_TYPE=VALUE*) input clk; VALUE可设置为BUFG、BUFH、BUFR、BUFMR、BUFIO、NONE六个值,分别对应全局时钟,水平时钟,区域时钟,跨区域时钟,IO时钟,默认
二、CLOCK_BUFFER_TYPE 2.1 属性说明 2.2 工程代码 2.3 结果 一、前言 在设计中,对于时钟端口驱动时钟单元时,工具会自动综合出全局时钟BUFG连接时钟源和时钟负载。当存在全局时钟BUFG不足或者因为某些原因不想使用BUFG时,想使用其他时钟BUF如BUFH,BUFR等,可通过属性CLOCK_BU...
The semiconductor integrated circuit including a clock buffer circuit comprises: a first delay circuit for receiving a clock signal; a first switching circuit for carrying out a switching action on the basis of the output of the first delay circuit to pass the clock signal therethrough in ...
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CLOCK_BUFFER_TYPE用于指定时钟BUFFER的类型,通常未指定是,默认为BUFG,属性可直接代码中设置也可在XDC文件中使用。 使用模板:(* CLOCK_BUFFER_TYPE=VALUE*) input clk; VALUE可设置为BUFG、BUFH、BUFR、BUFMR、BUFIO、NONE六个值,分别对应全局时钟,水平时钟,区域时钟,跨区域时钟,IO时钟,默认值。
There is provided a semiconductor integrated circuit including a clock buffer capable of suppressing the increase of its chip size and decreasing its electric power consumption even if the capacity increases or even if the functional operations are varied. The semiconductor integrated circuit including a...
CLOCK BUFFER CIRCUIT, INTERFACE HAVING THIS CLOCK BUFFER CIRCUIT, AND SYNCHRONOUS TYPE SEMICONDUCTOR STORAGE DEVICEPROBLEM TO BE SOLVED: To suppress enlargement of chip size as far as possible and to enable reducing power consumption even if capacity is increased and function/operation is diversified....
CLOCK BUFFER CIRCUIT, INTERFACE HAVING THIS CLOCK BUFFER CIRCUIT, AND SYNCHRONOUS TYPE SEMICONDUCTOR STORAGE DEVICEPROBLEM TO BE SOLVED: To suppress enlargement of chip size as far as possible and to enable reducing power consumption even if capacity is increased and function/operation is diversified....