LPC540xx
NXP Semiconductors
32-bit ARM Cortex-M4 microcontroller
Table 4.
Symbol
Pin description …continued
Description
[2][8]
PIO4_9
-
A12 173
-
PU; Z I/O PIO4_9 — General-purpose digital input/output pin.
ENET_TXD1 — Ethernet transmit data 1.
O
I/O FC2_RXD_SDA_MOSI — Flexcomm 2: USART receiver,
I2C data I/O, SPI master-out/slave-in data.
O
USB1_PORTPWRN — USB1 VBUS drive indicator
(Indicates VBUS must be driven).
O
I
USB1_FRAME — USB1 frame toggle signal.
SCT0_GPI2 — Pin input 2 to SCTimer/PWM.
[2]
PIO4_10
-
B9 181
-
PU; Z I/O PIO4_10 — General-purpose digital input/output pin.
ENET_RX_DV — Ethernet receive data valid.
I
I/O FC2_TXD_SCL_MISO — Flexcomm 2: USART transmitter,
I2C clock, SPI master-in/slave-out data.
I
USB1_OVERCURRENTN — USB1 bus overcurrent
indicator (active low).
O
USB1_LEDN — USB1-configured LED indicator (active
low).
SCT0_GPI3 — Pin input 3 to SCTimer/PWM.
[2]
PIO4_11
-
A9 183
-
PU; Z I/O PIO4_11 — General-purpose digital input/output pin.
ENET_RXD0 — Ethernet receive data 0.
I
I/O FC2_CTS_SDA_SSEL0 — Flexcomm 2: USART
clear-to-send, I2C data I/O, SPI Slave Select 0.
I
USB0_IDVALUE — Indicates to the transceiver whether
connected as an A-device (USB0_ID LOW) or B-device
(USB0_ID HIGH).
R — Reserved.
I
SCT0_GPI4 — Pin input 4 to SCTimer/PWM.
[2]
PIO4_12
PIO4_13
-
-
A6 188
-
-
PU; Z I/O PIO4_12 — General-purpose digital input/output pin.
ENET_RXD1 — Ethernet receive data 1.
I
I/O FC2_RTS_SCL_SSEL1 — Flexcomm 2: USART
request-to-send, I2C clock, SPI slave select 1.
R — Reserved.
I
SCT0_GPI5 — Pin input 5 to SCTimer/PWM.
[2]
B6 190
PU; Z I/O PIO4_13 — General-purpose digital input/output pin.
O
O
ENET_TX_EN — Ethernet transmit enable (RMII/MII
interface).
CT4_MAT0 — Match output 0 from Timer 4.
R — Reserved.
I
SCT0_GPI6 — Pin input 6 to SCTimer/PWM.
LPC540xx
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© NXP Semiconductors N.V. 2018. All rights reserved.
Product data sheet
Rev. 1.8 — 22 June 2018
45 of 168
NXP [ NXP ]
