Datasheet

LPC11U1X All information provided in this document is subject to legal disclaimers. © NXP Semiconductors N.V. 2014. All rights reserved.
Product data sheet Rev. 2.2 — 11 March 2014 13 of 72
NXP Semiconductors
LPC11U1x
32-bit ARM Cortex-M0 microcontroller
PIO1_24/CT32B0_MAT0 - 21 G6
[3]
I; PU I/O PIO1_24 — General purpose digital
input/output pin.
-OCT32B0_MAT0 — Match output 0 for 32-bit
timer 0.
PIO1_25/CT32B0_MAT1 - 1 A1
[3]
I; PU I/O PIO1_25 — General purpose digital
input/output pin.
-OCT32B0_MAT1 — Match output 1 for 32-bit
timer 0.
PIO1_26/CT32B0_MAT2/
RXD
-11G2
[3]
I; PU I/O PIO1_26 — General purpose digital
input/output pin.
-OCT32B0_MAT2 — Match output 2 for 32-bit
timer 0.
-IRXD — Receiver input for USART.
PIO1_27/CT32B0_MAT3/
TXD
-12G1
[3]
I; PU I/O PIO1_27 — General purpose digital
input/output pin.
-OCT32B0_MAT3 — Match output 3 for 32-bit
timer 0.
-OTXD — Transmitter output for USART.
PIO1_28/CT32B0_CAP0/
SCLK
-24H7
[3]
I; PU I/O PIO1_28 — General purpose digital
input/output pin.
-ICT32B0_CAP0 — Capture input 0 for 32-bit
timer 0.
-I/OSCLK — Serial clock input/output for USART in
synchronous mode.
PIO1_29/SCK0/
CT32B0_CAP1
-31D7
[3]
I; PU I/O PIO1_29 — General purpose digital
input/output pin.
-I/OSCK0 — Serial clock for SSP0.
-ICT32B0_CAP1 — Capture input 1 for 32-bit
timer 0.
PIO1_31 - 25 -
[3]
I; PU I/O PIO1_31 — General purpose digital
input/output pin.
USB_DM 13 19 G5
[8]
F- USB_DM — USB bidirectional D line.
USB_DP 14 20 H5
[8]
F- USB_DP — USB bidirectional D+ line.
XTALIN 4 6 D1
[9]
- - Input to the oscillator circuit and internal clock
generator circuits. Input voltage must not
exceed 1.8 V.
XTALOUT 5 7 E1
[9]
- - Output from the oscillator amplifier.
V
DD
6;
29
8;
44
B4,
E2
- - Supply voltage to the internal regulator, the
external rail, and the ADC. Also used as the
ADC reference voltage.
V
SS
33 5;
41
B5,
D2
- - Ground.
Table 3. Pin description
…continued
Symbol
Pin HVQFN33 Pin LQFP48 Ball TFBGA48
Reset
state
[1]
Type Description