LPC540xx
NXP Semiconductors
32-bit ARM Cortex-M4 microcontroller
Table 4.
Symbol
Pin description …continued
Description
[4]
PIO0_12/
ADC0_2
J2
M3 52
25
PU; Z I/O; PIO0_12/ADC0_2 — General-purpose digital input/output
AI pin. ADC input channel 2 if the DIGIMODE bit is set to 0 in
the IOCON register for this pin.
I/O FC3_TXD_SCL_MISO — Flexcomm 3: USART transmitter,
I2C clock, SPI master-in/slave-out data.
R — Reserved.
I
I
FREQME_GPIO_CLK_B — Frequency Measure pin clock
input B.
SCT0_GPI7 — Pin input 7 to SCTimer/PWM.
R — Reserved.
I/O SWDIO — Serial Wire Debug I/O. This is the default
function after booting.
[3]
PIO0_13
C10 F11 141 67
Z
I/O PIO0_13 — General-purpose digital input/output pin.
Remark: In ISP mode, this pin is set to the Flexcomm 1 I2C
SDA function.
I/O FC1_CTS_SDA_SSEL0 — Flexcomm 1: USART
clear-to-send, I2C data I/O, SPI Slave Select 0.
I
I
I
UTICK_CAP0 — Micro-tick timer capture input 0.
CT0_CAP0 — Capture input 0 to Timer 0.
SCT0_GPI0 — Pin input 0 to SCTimer/PWM.
R — Reserved.
R — Reserved.
I
ENET_RXD0 — Ethernet receive data 0.
[3]
PIO0_14
D9 E13 144 69
Z
I/O PIO0_14 — General-purpose digital input/output pin.
Remark: In ISP mode, this pin is set to the Flexcomm 1 I2C
SCL function.
I/O FC1_RTS_SCL_SSEL1 — Flexcomm 1: USART
request-to-send, I2C clock, SPI slave select 1.
I
I
I
UTICK_CAP1 — Micro-tick timer capture input 1.
CT0_CAP1 — Capture input 1 to Timer 0.
SCT0_GPI1 — Pin input 1 to SCTimer/PWM.
R — Reserved.
R — Reserved.
I
ENET_RXD1 — Ethernet receive data 1.
LPC540xx
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© NXP Semiconductors N.V. 2018. All rights reserved.
Product data sheet
Rev. 1.8 — 22 June 2018
17 of 168
NXP [ NXP ]
