LPC540xx
NXP Semiconductors
32-bit ARM Cortex-M4 microcontroller
Table 4.
Symbol
Pin description …continued
Description
[2]
PIO1_12
F8 K9 128 62
PU; Z I/O PIO1_12 — General-purpose digital input/output pin.
ENET_RXD0 — Ethernet receive data 0.
I/O FC6_SCK — Flexcomm 6: USART, SPI, or I2S clock.
I
O
O
CT1_MAT1 — Match output 1 from Timer 1.
USB0_PORTPWRN — USB0 VBUS drive indicator
(Indicates VBUS must be driven).
O
EMC_DYCSN[0] — External Memory interface SDRAM
chip select 0 (active low).
[2]
PIO1_13
D10 G10 139 66
PU; Z I/O PIO1_13 — General-purpose digital input/output pin.
ENET_RXD1 — Ethernet receive data 1.
I
I/O FC6_RXD_SDA_MOSI_DATA — Flexcomm 6: USART
receiver, I2C data I/O, SPI master-out/slave-in data, I2S
data I/O.
I
I
CT1_CAP2 — Capture 2 input to Timer 1.
USB0_OVERCURRENTN — USB0 bus overcurrent
indicator (active low).
O
O
USB0_FRAME — USB0 frame toggle signal.
EMC_DQM[0] — External memory interface data mask 0.
[2]
PIO1_14
A9 C12 160 78
PU; Z I/O PIO1_14 — General-purpose digital input/output pin.
I
ENET_RX_DV — Ethernet receive data valid.
UTICK_CAP2 — Micro-tick timer capture input 2.
CT1_MAT2 — Match output 2 from Timer 1.
I
O
I/O FC5_CTS_SDA_SSEL0 — Flexcomm 5: USART
clear-to-send, I2C data I/O, SPI Slave Select 0.
O
USB0_LEDN — USB0-configured LED indicator (active
low).
O
EMC_DQM[1] — External memory interface data mask 0.
[2]
PIO1_15
C7 A11 176 84
PU; Z I/O PIO1_15 — General-purpose digital input/output pin.
I
ENET_RX_CLK — Ethernet Receive Clock (MII interface)
or Ethernet Reference Clock (RMII interface).
I
I
UTICK_CAP3 — Micro-tick timer capture input 3.
CT1_CAP3 — Capture 3 input to Timer 1.
I/O FC5_RTS_SCL_SSEL1 — Flexcomm 5: USART
request-to-send, I2C clock, SPI slave select 1.
I/O FC4_RTS_SCL_SSEL1 — Flexcomm 4: USART
request-to-send, I2C clock, SPI slave select 1.
O
EMC_CKE[0] — External memory interface SDRAM clock
enable 0.
LPC540xx
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© NXP Semiconductors N.V. 2018. All rights reserved.
Product data sheet
Rev. 1.8 — 22 June 2018
26 of 168
NXP [ NXP ]
