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zhangxianyu's avatar
zhangxianyu
Icon for New Contributor rankNew Contributor
1 year ago

DDR3 uniphy init fail,please help

我的 DDR3 PCB 板初始化失败，phy_cal_debug_info==257，我启动了 memory toolkit，它显示验证失败。现在，在使用掩码功能后，验证再次成功。我应该怎么做才能确保我的 DDR3 正常运行 我的 DDR3 芯片上的所有信号长度相等 My DDR3 PCB board initialization failed, phy_cal_debug_info...
Board Debug
AdzimZM_Altera's avatar
AdzimZM_Altera
Icon for Regular Contributor rankRegular Contributor
1 year ago

Hi


You may calculate the board skew and enter the details in the IP.

This margin from toolkit doesn't look okay. Maybe the issue is with the signal integrity on the board.


You also can check the clock stability and voltage level on the board.


Regards,

Adzim