FAQ
I am trying to get the AD9265 to work. But I get following linux error message:
ad9467 spi1.0: Unrecognized CHIP_ID 0x64
Branch: 2018_r2:https://github.com/analogdevicesinc/linux/blob/2018_R2/drivers/iio/adc/ad9467.c
This is the dtb configuration:
&axi_quad_spi_0…
this is most likely a timing issue between the fpga and the spi port. this is not a chip issue. it could also point to some supply being pulled lower than normal when analog input is present, bring the ldo to dropout, causing spi comms issues.
Hello,
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您好!
我现在有一个电路上采用的AD9265-105M,使用的LVDS模式,在测试过程中发现D0/D1 这一对LVDS一直为低电平。我把芯片配置为TEST模式,111 = one/zero word toggle,其余差分对都正常输出0101,只有D0/D1 没有任何变化,我测试了两个板子都是这个情况,请问这是什么问题呢?