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 136 of 523
NXP Semiconductors
UM10462
Chapter 8: LPC11U3x/2x/1x Pin configuration
PIO1_14/DSR/
CT16B0_MAT1/RXD
-37A8
[3]
I; PU I/O PIO1_14 — General purpose digital
input/output pin.
-IDSR
— Data Set Ready input for USART.
-OCT16B0_MAT1 — Match output 1 for 16-bit
timer 0.
-IRXD — Receiver input for USART.
PIO1_15/DCD
/
CT16B0_MAT2/SCK1
28 43 A4
[3]
I; PU I/O PIO1_15 — General purpose digital
input/output pin.
I DCD
— Data Carrier Detect input for USART.
-OCT16B0_MAT2 — Match output 2 for 16-bit
timer 0.
-I/OSCK1 — Serial clock for SSP1.
PIO1_16/RI
/
CT16B0_CAP0
-48A2
[3]
I; PU I/O PIO1_16 — General purpose digital
input/output pin.
-IRI
— Ring Indicator input for USART.
-ICT16B0_CAP0 — Capture input 0 for 16-bit
timer 0.
PIO1_19/DTR
/SSEL1 1 2 B1
[3]
I; PU I/O PIO1_19 — General purpose digital
input/output pin.
-ODTR
— Data Terminal Ready output for
USART.
-I/OSSEL1 — Slave select for SSP1.
PIO1_20/DSR
/SCK1 - 13 H1
[3]
I; PU I/O PIO1_20 — General purpose digital
input/output pin.
-IDSR
— Data Set Ready input for USART.
-I/OSCK1 — Serial clock for SSP1.
PIO1_21/DCD
/MISO1 - 26 G8
[3]
I; PU I/O PIO1_21 — General purpose digital
input/output pin.
-IDCD
— Data Carrier Detect input for USART.
-I/OMISO1 — Master In Slave Out for SSP1.
PIO1_22/RI
/MOSI1 - 38 A7
[3]
I; PU I/O PIO1_22 — General purpose digital
input/output pin.
-IRI
— Ring Indicator input for USART.
-I/OMOSI1 — Master Out Slave In for SSP1.
PIO1_23/CT16B1_MAT1/
SSEL1
-18H4
[3]
I; PU I/O PIO1_23 — General purpose digital
input/output pin.
-OCT16B1_MAT1 — Match output 1 for 16-bit
timer 1.
-I/OSSEL1 — Slave select for SSP1.
Table 132. LPC11U1x pin description
…continued
Symbol
Pin HVQFN33
Pin LQFP48
Ball TFBGA48
Reset
state
[1]
Type Description
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