Hi,
I believe BOOT_MODE pin configured as 100k pulldown during POR. See Note #1.
But i.MX7D datasheet on p112 Table 96 looks Hi-Z as following.
Which one is correct, pulldown or hi-z?
If hi-z is correct, external pulldown resister is need for Low input, right?
Can someone help me?
Note #1
https://www.nxp.com/docs/en/reference-manual/IMX7DRM.pdf
p1600 8.2.5.11 SW_PAD_CTL_PAD_BOOT_MODE0
PE=1 Pull enable, PS=00 100K PullDown
p1602 8.2.5.12 SW_PAD_CTL_PAD_BOOT_MODE1
PE=1 Pull enable, PS=00 100K PullDownhttps://www.nxp.com/docs/en/data-sheet/IMX7DCEC.pdf
p125 Table 99. i.MX 7Dual 12 x 12 mm
Ball Ball Name Power GroupDefault Mode Default Function PD/PU
Y01 BOOT_MODE0 NVCC_GPIO1 ALT0 BOOT_MODE0 100K PD
Y02 BOOT_MODE1 NVCC_GPIO1 ALT0 BOOT_MODE1 100K PDp142 Table 102. i.MX 7Dual 19 x 19 mm functional
Ball Ball Name Power GroupDefault Mode Default Function PD/PU
P04 BOOT_MODE0 NVCC_GPIO1 ALT0 BOOT_MODE0 100K PD
P05 BOOT_MODE1 NVCC_GPIO1 ALT0 BOOT_MODE1 100K PD
Solved! Go to Solution.
Hello,
You are right, BOOT_MODE pin configured as 100k pulldown during POR.
Have a great day,
Yuri
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Hello,
You are right, BOOT_MODE pin configured as 100k pulldown during POR.
Have a great day,
Yuri
-----------------------------------------------------------------------------------------------------------------------
Note: If this post answers your question, please click the Correct Answer button. Thank you!
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