MPC5777C I/O pad current sink/source capability

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MPC5777C I/O pad current sink/source capability

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dan_teodorescu
Contributor III

Hi,

The MPC5777C datasheet specifies in Table 11 (section 3.6.3) that Iavg_gpio is at most 0.42mA. However Table 9 and Table 10 in the same document indicate much higher current source/sink capabilities per pad. Can you clarify why Table 11 values are much lower, and if the pad conditions are the same as for the other two tables?

Thank you,

Dan

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davidtosenovjan
NXP TechSupport
NXP TechSupport

Hi, Table 11 characterize average I/O current (pad is toggling at certain frequency) - it is dynamic specification.

Table 10 defines minimal value of current that is MCU capable to drive to the pad - it is static specification.

That's the difference

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