LPC540xx
NXP Semiconductors
32-bit ARM Cortex-M4 microcontroller
Table 4.
Symbol
Pin description …continued
Description
[4]
PIO0_15/
ADC0_3
K2 L4
53
26
PU; Z I/O; PIO0_15/ADC0_3 — General-purpose digital input/output
AI pin. ADC input channel 3 if the DIGIMODE bit is set to 0 in
the IOCON register for this pin.
I/O FC6_CTS_SDA_SSEL0 — Flexcomm 6: USART
clear-to-send, I2C data I/O, SPI Slave Select 0.
I
UTICK_CAP2 — Micro-tick timer capture input 2.
CT4_CAP0 — Capture input 4 to Timer 0.
SCT0_OUT2 — SCTimer/PWM output 2.
R — Reserved.
I
O
O
O
EMC_WEN — External memory interface Write Enable
(active low).
ENET_TX_EN — Ethernet transmit enable (RMII/MII
interface).
[4]
PIO0_16/
ADC0_4
H3 M4 54
27
PU; Z I/O; PIO0_16/ADC0_4 — General-purpose digital input/output
AI pin. ADC input channel 4 if the DIGIMODE bit is set to 0 in
the IOCON register for this pin.ws
I/O FC4_TXD_SCL_MISO — Flexcomm 4: USART transmitter,
I2C clock, SPI master-in/slave-out data.
O
I
CLKOUT — Output of the CLKOUT function.
CT1_CAP0 — Capture input 0 to Timer 1.
R — Reserved.
R — Reserved.
O
O
EMC_CSN[0] — External memory interface static chip
select 0 (active low).
ENET_TXD0 — Ethernet transmit data 0.
[2]
PIO0_17
B10 E14 146 70
PU; Z I/O PIO0_17 — General-purpose digital input/output pin.
I/O FC4_SSEL2 — Flexcomm 4: SPI slave select 2.
I
SD_CARD_DET_N — SD/MMC card detect (active low).
SCT0_GPI7 — Pin input 7 to SCTimer/PWM.
SCT0_OUT0 — SCTimer/PWM output 0.
R — Reserved.
I
O
O
O
EMC_OEN — External memory interface output enable
(active low)
ENET_TXD1 — Ethernet transmit data 1.
LPC540xx
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© NXP Semiconductors N.V. 2018. All rights reserved.
Product data sheet
Rev. 1.8 — 22 June 2018
18 of 168
NXP [ NXP ]
