Hi Takashi
GPIO maximum output current is not defined by datasheet,
however limitation may be by max. temperature defined in
Table 6. Operating Ranges datasheet and Output Driver
Impedance given in Table 33,34.
http://cache.freescale.com/files/32bit/doc/data_sheet/IMX6DQCEC.pdf
Best regards
igor
-----------------------------------------------------------------------------------------------------------------------
Note: If this post answers your question, please click the Correct Answer button. Thank you!
-----------------------------------------------------------------------------------------------------------------------
Hi Takashi
GPIO maximum output current is not defined by datasheet,
however limitation may be by max. temperature defined in
Table 6. Operating Ranges datasheet and Output Driver
Impedance given in Table 33,34.
http://cache.freescale.com/files/32bit/doc/data_sheet/IMX6DQCEC.pdf
Best regards
igor
-----------------------------------------------------------------------------------------------------------------------
Note: If this post answers your question, please click the Correct Answer button. Thank you!
-----------------------------------------------------------------------------------------------------------------------
Dear igor
Our customer has question below .would please advise.
I checked IBIS model.
Q1,
The absolute maximum rating of the output current of the GPIO?
Is to destroy and too much current through CMOS transistors?
Q2,
My understanding is correct ? The output current is
limited by the VOH/VOL and the DSE.
The examples listed below.
Design examples)OVDD=3.3V and DSE:111 = 20 Ω than
(Table36 of IMX6SDLAEC ), VOH=2.64V, VOL=0.66V design.
Ioh = (OVDD-VOH) / 20 Ω = (3.3-2.64) / 20 = 33 mA
IOL = Ω = 0.66 VOL 20 / 20 = 33 mA
Therefore, less than 33 mA output current in order to satisfy the VOH/VOL.
Q3,
For our specific use cases.
May be used currently in our system GPIO ports up to 1.3
mA (only one port. Others are used in less than 1 mA).
At this time, the VOH output of 3.3 V. But we would not
be able to destroy ?.