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IMX7DCEC Datasheet(PDF) 40 Page - NXP Semiconductors

Part # IMX7DCEC
Description  i.MX 7Dual Family of Applications Processors Datasheet
PDF  161 Pages
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Manufacturer  NXP [NXP Semiconductors]
Direct Link  http://www.nxp.com
Logo NXP - NXP Semiconductors

IMX7DCEC Datasheet(HTML) 40 Page - NXP Semiconductors

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Electrical characteristics
i.MX 7Dual Family of Applications Processors Datasheet, Rev. 7, 09/2023
NXP Semiconductors
40
Figure 5. i.MX 7Dual power-down sequence
4.1.11 Power supplies usage
I/O pins should not be externally driven while the I/O power supply for the pin (NVCC_xxx) is OFF. This
can cause internal latch-up and malfunctions due to reverse current flows. For information about I/O power
supply of each pin, see “Power Rail” columns in pin list tables of Section 6, “Package information and
contact assignments.”
4.2
Integrated LDO voltage regulator parameters
Various internal supplies can be powered from internal LDO voltage regulators. All the supply pins named
*_CAP must be connected to external capacitors. The onboard LDOs are intended for internal use only
and should not be used to power any external circuitry. See the i.MX 7Dual Application Processor
Reference Manual (IMX7DRM) for details on the power tree scheme.
NOTE
The *_CAP signals must not be powered externally. The *_CAP pins are for
the bypass capacitor connection only.



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