CY7C2665KV18-550BZXI BWS signal ODT problem

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YangZhong
Level 1
Level 1
5 replies posted First reply posted First question asked

Hi ,in my board, i use Xilinx IP to Access  CY7C2665KV18.

when in write process, BWS signal looks strange, maybe with ODT Problem.

YangZhong_0-1654753141808.jpeg

The yellow signal is WPS signal

The green signal is BWS signal

When WPS is high, BWS signal can toggle around 750mV

But when WPS is Low, in write process, BWS signal can't higher than 750mV

 

YangZhong_1-1654753358672.jpeg

 

YangZhong_2-1654753377132.jpeg

YangZhong_4-1654753412668.jpeg

 

 

 

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