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GPIO buffer strength variability on AM3352

Nomo
Guru 16800 points

Hello,

Could you teach me the buffer strength variability of GPIO in plus or minus percentage format?
In Table 2-7 of datasheet, gpio's BUFFER STRENGTH (mA) is 6mA.
Therefore, I think gpio can drive 6mA (input and output current).
However, more or less current is flowed by variability, I think.

Best Regards.

Nomoto

  • 0
    TI__Guru**** 393215 points

    Hi Nomoto-san,

    6mA is the maximum source/sink current. Please note that there are some I/O buffers with 4mA drive strength. What current will flow will depend on the external load, not on the I/O buffer. The load must not sink/source more than the maximum allowed current.