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JTAG pins floating
Last Updated: June 18, 2011
If we do not want to use the JTAG, can we leave those pins floating?
No. Please refer to the section "Disabling the JTAG Feature" section of the datasheet. In case of 100 pin TQFP part, JTAG feature is disabled and not bonded out in the TQFP package.