Errata on LPC11U3x Product Data Sheet (Rev 2.3 - 8 February 2017)
Page 54:
The original text
the voltage divider should provide a reduction of 3.6 V/5.25 V or ~0.686 V.
should be changed to
the voltage divider should provide a reduction of 3.6 V/5.25 V or ~0.686.