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[参考译文] DAC38J84:DAC38J84:LMFS:4221无输出、串行器/解串器 PLL 无法锁定

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Other Parts Discussed in Thread: DAC38J84
请注意,本文内容源自机器翻译,可能存在语法或其它翻译错误,仅供参考。如需获取准确内容,请参阅链接中的英语原文或自行翻译。

https://e2e.ti.com/support/data-converters-group/data-converters/f/data-converters-forum/1027362/dac38j84-dac38j84-lmfs-4221-no-output-serdes-pll-can-not-locked

器件型号:DAC38J84

配置其他模式、例如 LMFS8411 2x 内插,LMFS4221 4x 内插;DAC38J84 、具有正常输出。

但 模式4221、采样 clcok =1.2GHz、2倍插值、4 LAN。

LAN 速率应为12Gbaud、采样时钟为外部时钟、Cock_PLL 掉电。

K=32、   SYSREF=2.34375MHz

寄存器配置序列;JESD204B 链路正常,但 DAC38J84无输出? 为什么?

24'h1A_0020
24'h1B_0000
24'h31_1000
24'h32_0000
24'h33_0000
24'h3b_0800
24'h3C_0028
24'h3D_0088
24'h3E_0108
24'h3F_0000
24'h46_1882
24'h47_01C8
24'h48_3143
24'h49_5500
24'h5F_3210
24'h60_5764
24'h24_0020
24'h25_2000
24'h00_0118
24'h01_00F3
24'h02_2082
24'h03_F300
24'h04_F0F0
24'h05_FF07
24'h06_FFFF
24'h07_3100
24'h08_0000
24'h09_0000
24'h0A_0000
24'h0B_0000
24'h0C_0400
24'h0D_0400
24'h0E_0400
24'h0F_0400
24'h10_0000
24'h11_0000
24'h12_0000
24'h13_0000
24'h14_0000
24'h15_0000
24'h16_0000
24'h17_0000
24'h18_0000
24'h19_0000
24'h1E_9999
24'h1f_9980
24'h20_8008
24'h22_1B1B
24'h23_0100
24'h26_0000
24'h2D_0001
24'h2e_FFFF
24'h2F_0004
24'h30_0000
24'h34_0000
24'h4A_0F1E
24'h4B_0801
24'h4C_1F03
24'h4D_0300
24'h4E_0F2F
24'h4f_1C61
24'h50_0000
24'h51_00DC
24'h52_00FF
24'h53_0000
24'h54_00FC
24'h55_00FF
24'h56_0000
24'h57_00FF
24'h58_00FF
24'h59_0000
24'h5A_00FF
24'h5b_00FF
24'h5C_1133
24'h5E_0000
24'h61_0111
24'h64_0000
24'h65_0000
24'h66_0000
24'h67_0000
24'h68_0000
24'h69_0000
24'h6A_0000
24'h6b_0000
24'h6C_0002
24'h4A_0F1E
24'h4A_0F1F
24'h4A_0F01
24'h03_F301

  • 请注意,本文内容源自机器翻译,可能存在语法或其它翻译错误,仅供参考。如需获取准确内容,请参阅链接中的英语原文或自行翻译。

    您好!

    您能否检查警报以查看我们是否可以缩小是否有任何错误导致输出未显示的范围? 谢谢你。