LPC540xx
NXP Semiconductors
32-bit ARM Cortex-M4 microcontroller
Table 4.
Symbol
Pin description …continued
Description
[2]
PIO3_19
-
J3
44
-
PU; Z I/O PIO3_19 — General-purpose digital input/output pin.
I/O FC8_RTS_SCL_SSEL1 — Flexcomm 8: USART
request-to-send, I2C clock, SPI slave select 1.
I/O SD_D[7] — SD/MMC data 7.
O
I
CT4_MAT1 — Match output 1 from Timer 4.
CAN0_RD — Receiver input for CAN 0.
SCT0_OUT6 — SCTimer/PWM output 6.
O
[2]
PIO3_20
-
N2 46
-
PU; Z I/O PIO3_20 — General-purpose digital input/output pin.
I/O FC9_SCK — Flexcomm 9: USART or SPI clock.
I
SD_CARD_INT_N —
O
CLKOUT — Output of the CLKOUT function.
R — Reserved.
O
SCT0_OUT7 — SCTimer/PWM output 7.
[4]
PIO3_21/
ADC0_9
-
P5 61
-
PU; Z I/O; PIO3_21/ADC0_9 — General-purpose digital input/output
AI pin. ADC input channel 9 if the DIGIMODE bit is set to 0 in
the IOCON register for this pin.
I/O FC9_RXD_SDA_MOSI — Flexcomm 9: USART receiver,
I2C data I/O, SPI master-out/slave-in data.
O
SD_BACKEND_PWR — SD/MMC back-end power supply
for embedded device.
O
I
CT4_MAT3 — Match output 3 from Timer 4.
UTICK_CAP2 — Micro-tick timer capture input 2.
[4]
[3]
PIO3_22/
ADC0_10
-
-
N5 62
-
-
PU; Z I/O; PIO3_22/ADC0_10 — General-purpose digital input/output
AI pin. ADC input channel 10 if the DIGIMODE bit is set to 0 in
the IOCON register for this pin.
I/O FC9_TXD_SCL_MISO — Flexcomm 9: USART transmitter,
I2C clock, SPI master-in/slave-out data.
PIO3_23
PIO3_24
C2
8
Z
Z
I/O PIO3_23 — General-purpose digital input/output pin.
I/O FC2_CTS_SDA_SSEL0 — Flexcomm 2: USART
clear-to-send, I2C data I/O, SPI Slave Select 0.
R — Reserved.
I
UTICK_CAP3 — Micro-tick timer capture input 3.
[3]
-
E2 16
-
I/O PIO3_24 — General-purpose digital input/output pin.
I/O FC2_RTS_SCL_SSEL1 — Flexcomm 2: USART
request-to-send, I2C clock, SPI slave select 1.
I
I
CT4_CAP0 — Capture input 4 to Timer 0.
USB0_VBUS — Monitors the presence of USB0 bus
power.
LPC540xx
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© NXP Semiconductors N.V. 2018. All rights reserved.
Product data sheet
Rev. 1.8 — 22 June 2018
40 of 168
NXP [ NXP ]
