LPC5411x All information provided in this document is subject to legal disclaimers. © NXP Semiconductors N.V. 2018. All rights reserved.
Product data sheet Rev. 2.1 — 9 May 2018  14 of 105
NXP Semiconductors
LPC5411x
32-bit ARM Cortex-M4/M0+ microcontroller
PIO0_22 G2 63
[2]
PU I/O PIO0_22 — General-purpose digital input/output pin.
I CLKIN — Clock input.
I/O FC0_RXD_SDA_MOSI — Flexcomm Interface 0: USART RXD, I2C SDA, SPI 
MOSI.
O CTimer3_MAT3 — 32-bit CTimer3 match output 3.
PIO0_23 F2 1
[3]
ZI/OPIO0_23 — General-purpose digital input/output pin. In ISP mode, this pin is set to 
the Flexcomm 1 I2C SCL function.
I/O FC1_RTS_SCL_SSEL1 — Flexcomm Interface 1: USART CTS, I2C SCL, SPI 
SSEL1.
R — Reserved.
I CTimer0_CAP0 — 32-bit CTimer0 capture input 0.
R — Reserved.
I UTICK_CAP1 — Micro-tick timer capture input 1.
PIO0_24 F1 2
[3]
ZI/OPIO0_24 — General-purpose digital input/output pin. In ISP mode, this pin is set to 
the Flexcomm 1 I2C SDA function.
I/O FC1_CTS_SDA_SSEL0 — Flexcomm Interface 1: USART CTS, I2C SDA, SPI 
SSEL0.
R — Reserved.
I CTimer0_CAP1 — 32-bit CTimer0 capture input 1.
R — Reserved.
O CTimer0_MAT0 — 32-bit CTimer0 match output 0.
PIO0_25 E2 3
[3]
ZI/OPIO0_25 — General-purpose digital input/output pin.
I/O FC4_RTS_SCL_SSEL1 — Flexcomm Interface 4: USART CTS, I2C SCL, SPI 
SSEL1.
I/O FC6_CTS_SDA_SSEL0 — Flexcomm Interface 6: USART CTS, I2C SDA, SPI 
SSEL0.
I CTimer0_CAP2 — 32-bit CTimer0 capture input 2.
R — Reserved.
I CTimer1_CAP1 — 32-bit CTimer1 capture input 1.
PIO0_26 E1 4
[3]
ZI/OPIO0_26 — General-purpose digital input/output pin.
I/O FC4_CTS_SDA_SSEL0 — Flexcomm Interface 4: USART CTS, I2C SDA, SPI 
SSEL0.
R — Reserved.
I CTimer0_CAP3 — 32-bit CTimer0 capture input 3.
Table 4. Pin description
 …continued
Symbol
49-pin
64-pin
Reset state 
[1]
Type
Description