UM10462 All information provided in this document is subject to legal disclaimers. © NXP B.V. 2016. All rights reserved.
User manual Rev. 5.5 — 21 December 2016 139 of 523
NXP Semiconductors
UM10462
Chapter 8: LPC11U3x/2x/1x Pin configuration
8.2.2 LPC11U2x pin description
Table 134 shows all pins and their assigned digital or analog functions in order of the
GPIO port number. The default function after reset is listed first. All port pins have internal
pull-up resistors enabled after reset except for the true open-drain pins PIO0_4 and
PIO0_5.
CT16B1 CT16B1_CAP0 I no PIO0_20 - - - -
CT16B1_MAT0 O no PIO0_21 - - - -
CT16B1_MAT1 O no PIO0_22 - PIO1_23 - -
CT32B0 CT32B0_CAP0 I no PIO0_17 - PIO1_28 - -
CT32B0_CAP1 I no PIO1_29 - - - -
CT32B0_MAT0 O no PIO0_18 - PIO1_24 - -
CT32B0_MAT1 O no PIO0_19 - PIO1_25 - -
CT32B0_MAT2 O no PIO0_1 - PIO1_26 - -
CT32B0_MAT3 O no PIO0_11 - PIO1_27 - -
CT32B1 CT32B1_CAP0 I no PIO0_12 - - -
CT32B1_CAP1 I no - - - PIO1_5
CT32B1_MAT0 O no PIO0_13 - - - -
CT32B1_MAT1 O no PIO0_14 - - - -
CT32B1_MAT2 O no PIO0_15 - - - -
CT32B1_MAT3 O no PIO0_16 - - - -
ADC AD0 I no PIO0_11 - - - -
AD1 I no PIO0_12 - - - -
AD2 I no PIO0_13 - - - -
AD3 I no PIO0_14 - - - -
AD4 I no PIO0_15 - - - -
AD5 I no PIO0_16 - - - -
AD6 I no PIO0_22 - - - -
AD7 I no PIO0_23 - - - -
USB USB_VBUS I no PIO0_3 - - - -
USB_FTOGGLE O no PIO0_1 - - - -
USB_CONNECT
Ono PIO0_6 - - - -
CLKOUT CLKOUT O no PIO0_1 - - - -
JTAG TDI I yes PIO0_11 - - - -
TMS I yes PIO0_12 - - - -
TDO O yes PIO0_13 - - - -
TRST
I yes PIO0_14 - - - -
TCK I yes PIO0_10 - - - -
SWD SWCLK I yes PIO0_10 - - - -
SWDIO I/O yes PIO0_15 - - - -
Table 133. Multiplexing of peripheral functions
…continued
Peripheral Function Type Default Available on ports
HVQFN33/LQFP48/TFBGA48 LQFP48/TFBGA48 TFBGA48
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