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 10 of 105
NXP Semiconductors
LPC5411x
32-bit ARM Cortex-M4/M0+ microcontroller
6.2 Pin description
On the LPC5411x, digital pins are grouped into two ports. Each digital pin may support up
to four different digital functions and one analog function, including General Purpose I/O
(GPIO).
Table 4. Pin description
Symbol
49-pin
64-pin
Reset state
[1]
Type
Description
PIO0_0 A6 31
[2]
PU I/O PIO0_0 — General-purpose digital input/output pin.
Remark: In ISP mode, this pin is set to the Flexcomm Interface 0 USART RXD
function.
I/O FC0_RXD_SDA_MOSI — Flexcomm Interface 0: USART RXD, I2C SDA, SPI
MOSI.
I/O FC3_CTS_SDA_SSEL0 — Flexcomm Interface 3: USART CTS, I2C SDA, SPI
SSEL0.
I CTimer0_CAP0 — 32-bit CTimer0 capture input 0.
R — Reserved.
O SCT0_OUT3 — SCT0 output 3. PWM output 3.
PIO0_1 B6 32
[2]
PU I/O PIO0_1 — General-purpose digital input/output pin.
Remark: In ISP mode, this pin is set to the Flexcomm Interface 0 USART TXD
function.
I/O FC0_TXD_SCL_MISO — Flexcomm Interface 0: USART TXD, I2C SCL, SPI MISO.
I/O FC3_RTS_SCL_SSEL1 — Flexcomm Interface 3: USART RTS, I2C SCL, SPI
SSEL1.
I CTimer0_CAP1 — 32-bit CTimer0 capture input 1.
R — Reserved.
O SCT0_OUT1 — SCT0 output 1. PWM output 1.
PIO0_2 - 36
[2]
PU I/O PIO0_2 — General-purpose digital input/output pin.
I/O FC0_CTS_SDA_SSEL0
— Flexcomm Interface 0: USART CTS, I2C SDA, SPI
SSEL0.
I/O FC3_SSEL3 — Flexcomm Interface 3: SPI SSEL3.
I CTimer2_CAP1 — 32-bit CTimer2 capture input 1.
PIO0_3 - 37
[2]
PU I/O PIO0_3 — General-purpose digital input/output pin.
I/O FC0_RTS_SCL_SSEL1
— Flexcomm Interface 0: USART RTS, I2C SCL, SPI
SSEL1.
I/O FC2_SSEL2 — Flexcomm Interface 2: SPI SSEL2.
O CTimer1_MAT3 — 32-bit CTimer1 match output 3.
PIO0_4 C7 38
[2]
PU I/O PIO0_4 — General-purpose digital input/output pin.
Remark: The state of this pin at Reset in conjunction with PIO0_31 and PIO1_6 will
determine the boot source for the part or if ISP handler is invoked. See the Boot
Process chapter in UM10914 for more details.
I/O FC0_SCK — Flexcomm Interface 0: USART or SPI clock.
I/O FC3_SSEL2 — Flexcomm Interface 3: SPI SSEL2.
I CTimer0_CAP2 — 32-bit CTimer0 capture input 2.
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