Datasheet

LPC11U2X All information provided in this document is subject to legal disclaimers. © NXP B.V. 2014. All rights reserved.
Product data sheet Rev. 2.3 — 27 March 2014 13 of 74
NXP Semiconductors
LPC11U2x
32-bit ARM Cortex-M0 microcontroller
PIO1_17/CT16B0_CAP1/
RXD
---23
[3]
I; PU I/O PIO1_17 — General purpose digital input/output pin.
-ICT16B0_CAP1 — Capture input 1 for 16-bit timer 0.
-IRXD — Receiver input for USART.
PIO1_18/CT16B1_CAP1/
TXD
---28
[3]
I; PU I/O PIO1_18 — General purpose digital input/output pin.
-ICT16B1_CAP1 — Capture input 1 for 16-bit timer 1.
-OTXD — Transmitter output for USART.
PIO1_19/DTR
/SSEL1 1 B1 2 3
[3]
I; PU I/O PIO1_19 — General purpose digital input/output pin.
-ODTR
— Data Terminal Ready output for USART.
- I/O SSEL1 — Slave select for SSP1.
PIO1_20/DSR
/SCK1 - H1 13 18
[3]
I; PU I/O PIO1_20 — General purpose digital input/output pin.
-IDSR
— Data Set Ready input for USART.
- I/O SCK1 — Serial clock for SSP1.
PIO1_21/DCD
/MISO1 - G8 26 35
[3]
I; PU I/O PIO1_21 — General purpose digital input/output pin.
-IDCD
— Data Carrier Detect input for USART.
- I/O MISO1 — Master In Slave Out for SSP1.
PIO1_22/RI
/MOSI1 - A7 38 51
[3]
I; PU I/O PIO1_22 — General purpose digital input/output pin.
-IRI
— Ring Indicator input for USART.
- I/O MOSI1 — Master Out Slave In for SSP1.
PIO1_23/CT16B1_MAT1/
SSEL1
-H41824
[3]
I; PU I/O PIO1_23 — General purpose digital input/output pin.
-OCT16B1_MAT1 — Match output 1 for 16-bit timer 1.
- I/O SSEL1 — Slave select for SSP1.
PIO1_24/CT32B0_MAT0 - G6 21 27
[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 - A1 1 2
[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
-G21114
[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
-G11215
[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
-H72431
[3]
I; PU I/O PIO1_28 — General purpose digital input/output pin.
-ICT32B0_CAP0 — Capture input 0 for 32-bit timer 0.
- I/O SCLK — Serial clock input/output for USART in
synchronous mode.
PIO1_29/SCK0/
CT32B0_CAP1
-D73141
[3]
I; PU I/O PIO1_29 — General purpose digital input/output pin.
- I/O SCK0 — Serial clock for SSP0.
-ICT32B0_CAP1 — Capture input 1 for 32-bit timer 0.
Table 3. Pin description
Symbol
Pin HVQFN33 Pin TFBGA48 Pin LQFP48 Pin LQFP64
Reset
state
[1]
Type Description