LPC540xx
NXP Semiconductors
32-bit ARM Cortex-M4 microcontroller
Table 4.
Symbol
Pin description …continued
Description
[2]
PIO4_5
-
E10 154
-
PU; Z I/O PIO4_5 — General-purpose digital input/output pin.
R — Reserved.
I/O FC9_CTS_SDA_SSEL0 — Flexcomm 9: USART
clear-to-send, I2C data I/O, SPI Slave Select 0.
I/O FC0_CTS_SDA_SSEL0 — Flexcomm 0: USART
clear-to-send, I2C data I/O, SPI Slave Select 0.
O
I
CT4_MAT3 — Match output 3 from Timer 4.
SCT0_GPI6 — Pin input 6 to SCTimer/PWM.
O
EMC_CKE[2] — External memory interface SDRAM clock
enable 2.
[2]
PIO4_6
-
D10 161
-
PU; Z I/O PIO4_6 — General-purpose digital input/output pin.
R — Reserved.
I/O FC9_RTS_SCL_SSEL1 — Flexcomm 9: USART
request-to-send, I2C clock, SPI slave select 1.
R — Reserved.
R — Reserved.
I
SCT0_GPI7 — Pin input 7 to SCTimer/PWM.
O
EMC_CKE[3] — External memory interface SDRAM clock
enable 3.
[2][8]
PIO4_7
-
A14 166
-
PU; Z I/O PIO4_7 — General-purpose digital input/output pin.
R — Reserved.
I
CT4_CAP3 — Capture input 3 to Timer 4.
O
USB0_PORTPWRN — USB0 VBUS drive indicator
(Indicates VBUS must be driven).
O
I
USB0_FRAME — USB0 frame toggle signal.
SCT0_GPI0 — Pin input 0 to SCTimer/PWM.
[2]
PIO4_8
-
B14 170
-
PU; Z I/O PIO4_8 — General-purpose digital input/output pin.
ENET_TXD0 — Ethernet transmit data 0.
I/O FC2_SCK — Flexcomm 2: USART or SPI clock.
O
I
USB0_OVERCURRENTN — USB0 bus overcurrent
indicator (active low).
O
I
USB0_LEDN — USB0-configured LED indicator (active
low).
SCT0_GPI1 — Pin input 1 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
44 of 168
NXP [ NXP ]
