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LPC1778 PULL-UP

Question asked by Hori on Mar 26, 2018
Latest reply on Apr 2, 2018 by Kerry Zhou

P0 [24] to P0 [28] of LPC 1778,
P2 [8] P2 [9] P2 [11] to P2 [13],
I want to set PULL-UP for P5 [1] to P5 [3]. . .
P0 [26], P2 [8], P2 [9], P5 [1] are OK.
Others are NG.
If an external resistor (10 KΩ) is connected to P5 [2], P5 [3]
It is confirmed that the operation is OK.
If possible, GOOD is better without external resistance.

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