Hi All
The CCM_EXT_CLK2 of the i.MX7D clock voltage level how much do it need, it is 3.3V or 1.8V, thanks.
Solved! Go to Solution.
Hi,
It need 3.3V. You can refer to the IMX7DCEC.pdf,section 4.11.2.6 Bus operation condition for 3.3 V and 1.8 V signaling
The DC parameters for the NVCC_SD1, NVCC_SD2 and NVCC_SD3 supplies are
identical to those shown in Table 29, "GPIO DC Parameters," on page 44.
And in the datasheet you can see the follow functions
Have a great day,
Rita
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Hi Rita
Voltage level of the CCM_EXT_CLK2 will follow GPIO calculation formula is right?
My mean is the VIH of CCM_EXT_CLK2 minimal is OVDDx0.7 and VIL maximal is OVDDx0.3.
Thanks.
Hi,
It need 3.3V. You can refer to the IMX7DCEC.pdf,section 4.11.2.6 Bus operation condition for 3.3 V and 1.8 V signaling
The DC parameters for the NVCC_SD1, NVCC_SD2 and NVCC_SD3 supplies are
identical to those shown in Table 29, "GPIO DC Parameters," on page 44.
And in the datasheet you can see the follow functions
Have a great day,
Rita
-----------------------------------------------------------------------------------------------------------------------
Note: If this post answers your question, please click the Correct Answer button. Thank you!
-----------------------------------------------------------------------------------------------------------------------